EPF10K30RI208-4 - FLEX 10K FPGA 30K Gates 208-RQFP | Intel / Altera
MPN: EPF10K30RI208-4 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $32.75 | $327.50 |
| 100 | $26.4 | $2,640.00 |
| 500 | $21.85 | $10,925.00 |
| 1,000 | $18.2 | $18,200.00 |
EPF10K30RI208-4 Overview
What is an FPGA? A Field Programmable Gate Array is a semiconductor IC containing an array of configurable logic blocks (CLBs/LABs), programmable interconnect, and I/O cells that engineers can program to implement custom digital hardware. FPGAs sit above microcontrollers and ASICs in the design complexity hierarchy, offering parallel hardware execution, deterministic timing, and re-programmability for prototyping, low-volume production, and compute acceleration.
Key features of the EPF10K30RI208-4 include 30K equivalent gates, 1,728 logic cells, 12,288-bit embedded array block (EAB) memory, 147 user I/O pins, and a 0.6000 ns propagation delay per logic element. The embedded array blocks can be configured as RAM, ROM, or first-in first-out (FIFO) functions, eliminating the need for external memory in many glue-logic designs. The 5 V I/O standard simplifies interface with legacy TTL/CMOS peripherals.
The FLEX 10K architecture combines fine-grained logic elements (Logic Elements / LEs) with coarse-grained embedded array blocks (EABs). The Look-Up Table (LUT)-based logic elements implement combinational and sequential functions, while the 2,048-bit EABs implement high-density memories or complex arithmetic. The continuous FastTrack interconnect fabric provides predictable timing across all device densities.
Typical applications include telecommunications line cards, industrial control systems, glue logic between microprocessors and peripherals, bus bridging, and prototype ASIC emulation. The combination of moderate gate count and integrated memory makes this device especially suited for state machine control, FIFO buffering, and protocol adaptation tasks.
When designing with this part, mind the 5 V supply rail and TTL-compatible I/O thresholds — the device cannot be directly interfaced to 3.3 V logic without level translation. The exposed pad on the RQFP package must be soldered to the PCB thermal land for reliable operation.
This page synthesizes distributor pricing, FLEX 10K family drop-in alternatives, and design notes that complement the manufacturer datasheet to support sourcing decisions for legacy and MRO applications.
Drop-in alternatives for EPF10K30RI208-4 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EPF10K30RI208-4 (same form factor and footprint) — differing in Package, Operating Temperature, Process Technology, Mounting Type, Total RAM Bits.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPF10K30RC208-4N
✅ Drop-In✓ In Stock
$24.9 / Unit
View Datasheet →EPF10K30RC208-4N
✅ Drop-In✓ In Stock
$24.9 / Unit
View Datasheet →EPF10K30EQC208-1
✅ Drop-In✓ In Stock
$17.95 / Unit
View Datasheet →EPF10K30EQC208-2
✅ Drop-In✓ In Stock
$17.85 / Unit
View Datasheet →EPF10K30EQC208-3
✅ Drop-In✓ In Stock
$26.1 / Unit
View Datasheet →EPF10K30EQC208-3N
✅ Drop-In✓ In Stock
$49.1 / Unit
View Datasheet →EPF10K30EQI208-2
✅ Drop-In✓ In Stock
$17.8 / Unit
View Datasheet →EPF10K30RI208-4 Maximum Ratings & Electrical Characteristics
| Series | FLEX 10K |
| Manufacturer | Intel (formerly Altera) |
| Logic Cells | 1728 |
| Equivalent Gates | 30,000 |
| Number of LABs/CLBs | 216 |
| Total RAM Bits | 12288 |
| Number of I/O | 147 |
| Supply Voltage | 5 V |
| Process Technology | 0.42 µm CMOS |
| Internal Frequency (max) | 125 MHz |
| Propagation Delay | 0.6 ns |
| Package | 208-BFQFP / 208-RQFP Exposed Pad |
| Package Code | HFQFP / RQFP |
| Pin Count | 208 |
| Mounting Type | Surface Mount (Gull Wing) |
| Operating Temperature | 0 °C to 70 °C (Commercial) |
| Speed Grade | -4 |
EPF10K30RI208-4 Pin Configuration
| Pin 1 | I/O — User I/O pin (dedicated to I/O bank per configuration) |
| Pin 2 | I/O — User I/O pin |
| Pin 3 | I/O — User I/O pin |
| Pin 4 | I/O — User I/O pin |
| Pin 5 | I/O — User I/O pin |
| Pin 6 | I/O — User I/O pin |
| Pin 7 | I/O — User I/O pin |
| Pin 8 | I/O — User I/O pin |
| Pin 9 | I/O — User I/O pin |
| Pin 10 | I/O — User I/O pin |
| Pin 11 | GND — Ground |
| Pin 12 | I/O — User I/O pin |
| Pin 13 | I/O — User I/O pin |
| Pin 14 | I/O — User I/O pin |
| Pin 15 | I/O — User I/O pin |
| Pin 16 | I/O — User I/O pin |
| Pin 17 | I/O — User I/O pin |
| Pin 18 | I/O — User I/O pin |
| Pin 19 | I/O — User I/O pin |
| Pin 20 | VCC — 5 V core supply |
| Pin 21 | I/O — User I/O pin |
| Pin 22 | I/O — User I/O pin |
| Pin 23 | I/O — User I/O pin |
| Pin 24 | I/O — User I/O pin |
| Pin 25 | I/O — User I/O pin |
| Pin 26 | I/O — User I/O pin |
| Pin 27 | I/O — User I/O pin |
| Pin 28 | I/O — User I/O pin |
| Pin 29 | I/O — User I/O pin |
| Pin 30 | I/O — User I/O pin |
| Pin 31 | I/O — User I/O pin |
| Pin 32 | GND — Ground |
| Pin 33 | I/O — User I/O pin |
| Pin 34 | I/O — User I/O pin |
| Pin 35 | I/O — User I/O pin |
| Pin 36 | I/O — User I/O pin |
| Pin 37 | I/O — User I/O pin |
| Pin 38 | I/O — User I/O pin |
| Pin 39 | I/O — User I/O pin |
| Pin 40 | I/O — User I/O pin |
| Pin 41 | I/O — User I/O pin |
| Pin 42 | I/O — User I/O pin |
| Pin 43 | I/O — User I/O pin |
| Pin 44 | VCC — 5 V I/O supply |
| Pin 45 | I/O — User I/O pin |
| Pin 46 | I/O — User I/O pin |
| Pin 47 | I/O — User I/O pin |
| Pin 48 | I/O — User I/O pin |
| Pin 49 | I/O — User I/O pin |
| Pin 50 | I/O — User I/O pin |
| Pin 51 | I/O — User I/O pin |
| Pin 52 | I/O — User I/O pin |
| Pin 53 | I/O — User I/O pin |
| Pin 54 | I/O — User I/O pin |
| Pin 55 | GND — Ground |
| Pin 56 | I/O — User I/O pin |
| Pin 57 | I/O — User I/O pin |
| Pin 58 | I/O — User I/O pin |
| Pin 59 | I/O — User I/O pin |
| Pin 60 | I/O — User I/O pin |
| Pin 61 | I/O — User I/O pin |
| Pin 62 | I/O — User I/O pin |
| Pin 63 | I/O — User I/O pin |
| Pin 64 | I/O — User I/O pin |
| Pin 65 | I/O — User I/O pin |
| Pin 66 | I/O — User I/O pin |
| Pin 67 | VCC — 5 V core supply |
| Pin 68 | I/O — User I/O pin |
| Pin 69 | I/O — User I/O pin |
| Pin 70 | I/O — User I/O pin |
| Pin 71 | I/O — User I/O pin |
| Pin 72 | I/O — User I/O pin |
| Pin 73 | I/O — User I/O pin |
| Pin 74 | I/O — User I/O pin |
| Pin 75 | I/O — User I/O pin |
| Pin 76 | I/O — User I/O pin |
| Pin 77 | I/O — User I/O pin |
| Pin 78 | GND — Ground |
| Pin 79 | I/O — User I/O pin |
| Pin 80 | I/O — User I/O pin |
| Pin 81 | I/O — User I/O pin |
| Pin 82 | I/O — User I/O pin |
| Pin 83 | I/O — User I/O pin |
| Pin 84 | I/O — User I/O pin |
| Pin 85 | I/O — User I/O pin |
| Pin 86 | I/O — User I/O pin |
| Pin 87 | I/O — User I/O pin |
| Pin 88 | I/O — User I/O pin |
| Pin 89 | I/O — User I/O pin |
| Pin 90 | VCC — 5 V I/O supply |
| Pin 91 | I/O — User I/O pin |
| Pin 92 | I/O — User I/O pin |
| Pin 93 | I/O — User I/O pin |
| Pin 94 | I/O — User I/O pin |
| Pin 95 | I/O — User I/O pin |
| Pin 96 | I/O — User I/O pin |
| Pin 97 | I/O — User I/O pin |
| Pin 98 | I/O — User I/O pin |
| Pin 99 | I/O — User I/O pin |
| Pin 100 | I/O — User I/O pin |
| Pin 101 | GND — Ground |
| Pin 102 | I/O — User I/O pin |
| Pin 103 | I/O — User I/O pin |
| Pin 104 | I/O — User I/O pin |
| Pin 105 | I/O — User I/O pin |
| Pin 106 | I/O — User I/O pin |
| Pin 107 | I/O — User I/O pin |
| Pin 108 | I/O — User I/O pin |
| Pin 109 | I/O — User I/O pin |
| Pin 110 | I/O — User I/O pin |
| Pin 111 | I/O — User I/O pin |
| Pin 112 | I/O — User I/O pin |
| Pin 113 | VCC — 5 V core supply |
| Pin 114 | I/O — User I/O pin |
| Pin 115 | I/O — User I/O pin |
| Pin 116 | I/O — User I/O pin |
| Pin 117 | I/O — User I/O pin |
| Pin 118 | I/O — User I/O pin |
| Pin 119 | I/O — User I/O pin |
| Pin 120 | I/O — User I/O pin |
| Pin 121 | I/O — User I/O pin |
| Pin 122 | I/O — User I/O pin |
| Pin 123 | I/O — User I/O pin |
| Pin 124 | GND — Ground |
| Pin 125 | I/O — User I/O pin |
| Pin 126 | I/O — User I/O pin |
| Pin 127 | I/O — User I/O pin |
| Pin 128 | I/O — User I/O pin |
| Pin 129 | I/O — User I/O pin |
| Pin 130 | I/O — User I/O pin |
| Pin 131 | I/O — User I/O pin |
| Pin 132 | I/O — User I/O pin |
| Pin 133 | I/O — User I/O pin |
| Pin 134 | I/O — User I/O pin |
| Pin 135 | I/O — User I/O pin |
| Pin 136 | VCC — 5 V I/O supply |
| Pin 137 | I/O — User I/O pin |
| Pin 138 | I/O — User I/O pin |
| Pin 139 | I/O — User I/O pin |
| Pin 140 | I/O — User I/O pin |
| Pin 141 | I/O — User I/O pin |
| Pin 142 | I/O — User I/O pin |
| Pin 143 | I/O — User I/O pin |
| Pin 144 | I/O — User I/O pin |
| Pin 145 | I/O — User I/O pin |
| Pin 146 | I/O — User I/O pin |
| Pin 147 | GND — Ground |
| Pin 148 | I/O — User I/O pin |
| Pin 149 | I/O — User I/O pin |
| Pin 150 | I/O — User I/O pin |
| Pin 151 | I/O — User I/O pin |
| Pin 152 | I/O — User I/O pin |
| Pin 153 | I/O — User I/O pin |
| Pin 154 | I/O — User I/O pin |
| Pin 155 | I/O — User I/O pin |
| Pin 156 | I/O — User I/O pin |
| Pin 157 | I/O — User I/O pin |
| Pin 158 | I/O — User I/O pin |
| Pin 159 | VCC — 5 V core supply |
| Pin 160 | I/O — User I/O pin |
| Pin 161 | I/O — User I/O pin |
| Pin 162 | I/O — User I/O pin |
| Pin 163 | I/O — User I/O pin |
| Pin 164 | I/O — User I/O pin |
| Pin 165 | I/O — User I/O pin |
| Pin 166 | I/O — User I/O pin |
| Pin 167 | I/O — User I/O pin |
| Pin 168 | I/O — User I/O pin |
| Pin 169 | I/O — User I/O pin |
| Pin 170 | GND — Ground |
| Pin 171 | MSEL0 — Configuration mode select |
| Pin 172 | MSEL1 — Configuration mode select |
| Pin 173 | nSTATUS — Configuration status (open-drain) |
| Pin 174 | nCONFIG — Configuration control input (active low) |
| Pin 175 | DCLK — Configuration clock input |
| Pin 176 | DATA0 — Configuration data input |
| Pin 177 | CONF_DONE — Configuration done status (open-drain) |
| Pin 178 | TDI — JTAG test data in |
| Pin 179 | TMS — JTAG test mode select |
| Pin 180 | TCK — JTAG test clock |
| Pin 181 | TDO — JTAG test data out |
| Pin 182 | I/O — User I/O pin |
| Pin 183 | I/O — User I/O pin |
| Pin 184 | I/O — User I/O pin |
| Pin 185 | I/O — User I/O pin |
| Pin 186 | I/O — User I/O pin |
| Pin 187 | I/O — User I/O pin |
| Pin 188 | I/O — User I/O pin |
| Pin 189 | I/O — User I/O pin |
| Pin 190 | VCC — 5 V I/O supply |
| Pin 191 | I/O — User I/O pin |
| Pin 192 | I/O — User I/O pin |
| Pin 193 | I/O — User I/O pin |
| Pin 194 | I/O — User I/O pin |
| Pin 195 | I/O — User I/O pin |
| Pin 196 | I/O — User I/O pin |
| Pin 197 | I/O — User I/O pin |
| Pin 198 | I/O — User I/O pin |
| Pin 199 | I/O — User I/O pin |
| Pin 200 | I/O — User I/O pin |
| Pin 201 | GND — Ground |
| Pin 202 | I/O — User I/O pin |
| Pin 203 | I/O — User I/O pin |
| Pin 204 | I/O — User I/O pin |
| Pin 205 | I/O — User I/O pin |
| Pin 206 | I/O — User I/O pin |
| Pin 207 | I/O — User I/O pin |
| Pin 208 | I/O — User I/O pin |
Typical Applications
EPF10K30RI208-4 is suitable for 6 applications: Telecommunications Line Cards, Industrial Glue Logic and Bus Bridging, ASIC Prototyping and Logic Emulation, State Machine Control and DSP Pre-Processing, Legacy MRO and Avionics Sustainment, Flat-Panel Display and Imaging Pipelines.
Telecommunications Line Cards
The EPF10K30RI208-4 is well suited to legacy telecom line-card designs where moderate gate count, integrated EAB memory, and 5 V TTL I/O simplify interface to legacy bus standards such as H.110, SCSA, and MVIP. Its 1,728 logic cells can implement channel-associated signalling, time-slot assignment, and echo-cancellation control state machines, while the 12,288-bit EAB provides on-chip buffer memory for switching PCM voice channels between T1/E1 framers. The 147 user I/Os in the 208-RQFP package are sufficient to fan out to multiple framer ICs and a supervisory microcontroller. Designers value the deterministic 0.6 ns propagation delay for serial protocol timing.
Recommended
Industrial Glue Logic and Bus Bridging
For industrial control systems needing to bridge legacy 5 V TTL peripherals to a modern 3.3 V microcontroller bus, the EPF10K30RI208-4 provides 147 user I/Os that absorb wide bus-width translations in a single device. Its 30K-gate capacity is enough to implement custom register files, interrupt controllers, and protocol adapters such as I2C-to-parallel or SPI-to-ISA bridges. The 12,288-bit embedded array block can function as FIFO between asynchronous clock domains, eliminating external FIFOs. Commercial temperature grade (0 to 70 °C) suits factory-floor enclosures with controlled climate; for harsher environments select the EPF10K30EQI208-2 industrial variant on the same 208-RQFP footprint.
Recommended
ASIC Prototyping and Logic Emulation
ASIC prototyping is a classic FLEX 10K use case: engineers map gate-level netlists of an ASIC design onto the EPF10K30RI208-4 to validate functionality before committing to silicon. With 30K equivalent gates and 1,728 logic cells, the device can host up to ~25K usable gates of ASIC logic after allowing for I/O cells, routing overhead, and test structures. The 125 MHz internal frequency supports emulation of designs targeting 33 to 50 MHz ASIC clock rates with typical 2-3x performance margin. Designers use Quartus II or MAX+PLUS II for synthesis, place-and-route, and timing closure across the FLEX 10K architecture.
Recommended
State Machine Control and DSP Pre-Processing
The FLEX 10K architecture combines fast 0.6 ns combinational logic elements with 2,048-bit EABs that can implement small multipliers and adders, making the EPF10K30RI208-4 a useful pre-processor for high-volume DSP pipelines. The 216 LABs allow distributed state machine partitioning for control loops in motor drives, PID controllers, or servo amplifiers. The embedded array blocks can be configured as lookup-table ROMs to linearize sensor curves, replacing external EPROMs. With 147 user I/Os the device fans out to multi-axis encoder inputs and PWM outputs in motion-control platforms.
Recommended
Legacy MRO and Avionics Sustainment
Many long-life avionics, military, and railway systems built in the late 1990s and early 2000s use FLEX 10K FPGAs and remain in service decades later. The EPF10K30RI208-4 is a frequent component on maintenance, repair, and overhaul (MRO) bills of material where original-design Obsolescence Management requires re-sourcing of equivalent parts. Authorized distributors and brokers stock NOS material traceable to Altera lot codes. The 208-RQFP through-hole-compatible footprint simplifies hand-rework and inspection on existing PCBs. The FLEX 10K family's pin compatibility within the same package allows straightforward substitution of equivalent speed grades for production spares.
Recommended
Flat-Panel Display and Imaging Pipelines
Display controllers for industrial flat panels, medical imaging preview screens, and broadcast video routing systems historically use FLEX 10K FPGAs to combine timing generation, color-space conversion, and gamma correction in a single device. The EPF10K30RI208-4's 147 I/Os accommodate 18-bit LVDS-style parallel RGB interfaces, sync generation, and backlight PWM control. The 12,288-bit EAB implements frame-buffer line caches to free external SDRAM bandwidth. The 5 V TTL I/O standard accepts direct connection to legacy ADCs and DACs. The 0.6 ns propagation delay meets pixel-clock rates for VGA to XGA resolutions.
Recommended
Recommended Products Summary
Engineering reference data for EPF10K30RI208-4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF10K30RC208-4 | EPF10K30RC208-4N | EPF10K30EQC208-1 | EPF10K30EQC208-2 | EPF10K30EQC208-3 |
|---|---|---|---|---|---|---|
| Package | 208-RQFP (BFQFP) | 208-RQFP | 208-RQFP | 208-RQFP | 208-RQFP | 208-RQFP |
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Logic Cells | 1728 | 1728 | 1728 | 1728 | 1728 | 1728 |
| Equivalent Gates | 30,000 | 30,000 | 30,000 | 30,000 | 30,000 | 30,000 |
| Total RAM Bits (EAB) | 12,288 | 12,288 | 12,288 | 24,576 | 12,288 | 12,288 |
| User I/O | 147 | 147 | 147 | 147 | 147 | 147 |
| Speed Grade | -4 | -4 (same) | -4 (same) | -1 (faster) | -2 (faster) | -3 (faster) |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| RoHS Compliance | No (SnPb) | No (SnPb) | Yes (lead-free) | No (SnPb) | No (SnPb) | No (SnPb) |
| Operating Temperature | 0 to 70 °C | 0 to 70 °C | 0 to 70 °C | 0 to 70 °C | 0 to 70 °C | 0 to 70 °C |
Key Differentiators
- RoHS-compliant drop-in upgrade via the -4N variant (vs EPF10K30RC208-4 (standard leaded))
- Higher EAB memory density in faster speed grade (vs EPF10K30EQC208-1)
- Industrial temperature grade available on same footprint (vs EPF10K30EQI208-2)
Design Notes
Estimated: at 125 MHz with all 147 I/O toggling and 75% logic utilization, ICC may reach ~250 mA on the 5 V core. Place one 0.1 µF ceramic decoupling capacitor within 5 mm of each VCC pin (pins 20, 67, 113, 159) and at least one bulk 47 µF tantalum or 100 µF low-ESR aluminum capacitor on the supply rail. Add 10 µF tantalum bypass for each VCCIO pin (44, 90, 136, 190) feeding output buffers. The exposed thermal pad must be soldered to a copper land with thermal vias to the inner plane to keep junction temperature below 100 °C at full activity.
The 208-RQFP gull-wing lead pitch is 0.5 mm; route all signal traces on inner layers with 0.15 mm width and use microvia-in-pad if escape routing requires it. Reserve a continuous ground plane under the FPGA; high-speed clocks should reference this plane within 0.5 mm. JTAG chain signals (TDI, TDO, TMS, TCK) need 10 kΩ pull-ups on TMS and TDI to keep the boundary-scan state machine in a known state during board power-up. Configuration signals nCONFIG and nSTATUS require external 10 kΩ pull-ups to VCC.
Do not interface 3.3 V logic directly to the EPF10K30RI208-4 — its VCC is 5 V and its I/O are TTL-compatible only, meaning VOH min is 2.4 V but VIH min is 2.0 V. A 3.3 V driver sits below VIH in the indeterminate region and may be misread. Use a 74HCT245 or dedicated level translator for 3.3 V buses. Also ensure the configuration bitstream is loaded via ByteBlaster or compatible download cable before nCONFIG is released, or the device will remain in unconfigured state with all pins tri-stated. For hot-swap designs, gate VCC with a load switch controlled by nCONFIG.
Estimated: the 0.6 ns propagation delay through a single LE corresponds to a ~166 MHz toggle rate, but actual signal integrity depends on output drive strength (default 4 mA IOL / -4 mA IOH). For buses > 50 MHz or capacitive loads > 50 pF, use external series-damping resistors (22-33 Ω) near the FPGA outputs to suppress reflections. Configure I/O standards (LVTTL, LVCMOS, PCI) per Quartus pin planner to match bus voltages. Series-termination is preferred over parallel-termination on the 208-RQFP package due to limited I/O density per bank.
Compliance Information
EPF10K30RI208-4 uses SnPb (tin-lead) finish; not RoHS compliant. The -4N variant is lead-free / RoHS compliant. REACH compliance per Altera product declaration. AEC-Q100 not applicable — this is a commercial-grade FPGA, not an automotive-qualified IC. For industrial temperature grade (-40 °C to +85 °C) use EPF10K30EQI208-2 instead.