EPC16VC88 - 16Mb Enhanced Configuration Device | Altera
MPN: EPC16VC88 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.2 | $112.00 |
| 100 | $9.85 | $985.00 |
| 500 | $8.4 | $4,200.00 |
| 1,000 | $7.1 | $7,100.00 |
EPC16VC88 Overview
An enhanced configuration device is a serial-configuration-class flash memory with an on-chip JTAG controller that automates FPGA bitstream loading. In the system hierarchy it sits between raw non-volatile memory (NOR flash, EEPROM) and the FPGA it configures, providing in-system programmability (ISP) compliant with IEEE Std 1532 draft 2.0. The flash memory stores up to 16 Mbits of configuration data, which is decompressed inside the target FPGA to load a much larger logical bitstream.
Key features of the EPC16VC88 include 16-Mbit storage density, a dedicated nCONFIG/nSTATUS/CONF_DONE handshake interface, multi-device cascade support for configuring multiple FPGAs in a chain, and 3.3V single-supply operation. According to the Altera Enhanced Configuration Devices (EPC4, EPC8, EPC16) datasheet, the device supports both serial (1-bit) and parallel (8-bit) configuration modes, with a typical configuration clock rate of 20 MHz in serial mode. ISP is performed through the JTAG port using the SFL (Serial FlashLoader) megafunction in the target FPGA.
Architecturally the EPC16VC88 pairs a 3.3V NOR flash core with a state-machine controller that decodes the JTAG 1149.1 instructions (BYPASS, EXTEST, SAMPLE/PRELOAD, IDCODE) and the IEEE 1532 ISP instructions. The controller manages page erase, program, and verify operations on the flash array, and presents a synchronous serial configuration stream to the FPGA. Data compression (when enabled in the FPGA) reduces the on-chip storage requirement by typically 35-55%.
Typical applications include configuring Altera Stratix-series FPGAs on industrial control boards, providing secure boot images for Cyclone-series FPGAs in communications equipment, and storing multiple bitstreams for FPGAs that perform dynamic reconfiguration. The wide 88-pin CQFP package provides high pin-count margin for parallel configuration interfaces and supports JTAG boundary-scan testing on production boards.
When designing with this device, the configuration clock source must be selected carefully - in passive serial mode the FPGA drives the DCLK line, while in JTAG mode the JTAG TCK is used. Designers must also ensure the nINIT_CONF pin is properly pulled to avoid spurious configuration events at power-up.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving purchasing and engineering teams a single decision-ready reference.
Drop-in alternatives for EPC16VC88 — 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 EPC16VC88 (same form factor and footprint) — differing in Package, Interface, Mounting Type, Configuration Clock, Configuration Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPC16QC100
✅ Drop-In✓ In Stock
$14.95 / Unit
View Datasheet →EPC16QI100
✅ Drop-In✓ In Stock
$15.4 / Unit
View Datasheet →EPC16JC88
✅ Drop-In✓ In Stock
$17.95 / Unit
View Datasheet →EPC164C88N
✅ Drop-In✓ In Stock
$7.2 / Unit
View Datasheet →EPC16VC88 Maximum Ratings & Electrical Characteristics
| Memory Density | 16 Mbit |
| Device Family | EPC16 Enhanced Configuration |
| Supply Voltage | 3.3 V |
| Interface | Serial (1-bit) or Parallel (8-bit) configuration |
| JTAG Compliance | IEEE Std 1149.1 |
| ISP Compliance | IEEE Std 1532 draft 2.0 |
| Configuration Clock | 20 MHz typical (serial mode) |
| Data Compression | Yes (FPGA-side decompression) |
| Cascade Support | Yes (multi-FPGA chains) |
| Package | 88-pin CQFP |
| Mounting Type | Surface Mount |
| Configuration Mode | Passive Serial, Passive Parallel, JTAG |
| Internal Controller | Yes (state-machine based) |
EPC16VC88 88-pin cqfp Pin Configuration Guide
Pin configuration for EPC16VC88 (88-pin cqfp package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for EPC16VC88.
Refer to the datasheet for full pin configuration.
Typical Applications
EPC16VC88 is suitable for 6 applications: Stratix FPGA Configuration Memory, Cyclone-Series FPGA Boot Image Storage, Multi-FPGA Cascade Configuration, Industrial Control Board Bitstream Storage, Legacy APEX/Mercury FPGA Configuration, Dynamic Reconfiguration Bitstream Bank.
Stratix FPGA Configuration Memory
The EPC16VC88 stores 16 Mbits of compressed bitstream data and streams it to Altera Stratix-series FPGAs at up to 20 MHz DCLK in passive serial or parallel mode. The on-chip controller handles the nCONFIG/nSTATUS/CONF_DONE handshake so the host CPU is not involved in boot. With FPGA-side compression the effective logical design size is roughly 35-55% larger than 16 Mbit, sufficient for most Stratix II/III designs. Choose the EPC16VC88 for legacy Stratix boards whose schematic already commits to the 88-pin CQFP footprint.
Recommended
Cyclone-Series FPGA Boot Image Storage
Cyclone and Cyclone II FPGAs can be configured by the EPC16VC88 via the passive serial interface, with the FPGA supplying DCLK and the EPC16VC88 returning configuration data on the DATA[0] line. Because Cyclone bitstreams are typically 1-4 Mbits uncompressed, the 16 Mbit density leaves comfortable headroom for multiple bitstream revisions or factory calibration data. The JTAG ISP path allows field upgrades without removing the device from the board, useful for industrial controllers shipped to remote sites.
Recommended
Multi-FPGA Cascade Configuration
The EPC16VC88 supports daisy-chain configuration of multiple target FPGAs through the nCASC pin, with the controller automatically streaming configuration data to FPGAs in sequence. Each downstream FPGA reads its portion of the bitstream and passes remaining data through. This is useful in DSP or high-throughput designs where two or three FPGAs cooperate on a single board and must boot from a single boot memory. The cascade chain length is limited only by total bitstream size across all FPGAs.
Recommended
Industrial Control Board Bitstream Storage
Industrial PLCs, motor controllers, and process automation equipment built around Altera FPGAs use the EPC16VC88 as the secure boot image store, with ISP performed through the JTAG port using the SFL megafunction. The IEEE 1532 draft 2.0 ISP compliance ensures third-party programmers can erase and reprogram the device in production. The 88-pin CQFP package is mechanically rugged for factory-floor environments, and the operating temperature range covers typical industrial enclosures without derating.
Recommended
Legacy APEX/Mercury FPGA Configuration
Older Altera APEX 20K and Mercury FPGA designs that pre-date the EPCQ era used the EPC16VC88 as the standard boot memory, taking advantage of its 8-bit parallel configuration mode to reduce boot time on these larger devices. The Altera datasheet explicitly lists APEX and Mercury families as supported targets. For maintenance and repair of legacy APEX-based telecom or test-and-measurement equipment, the EPC16VC88 remains the only supported boot memory in its original footprint.
Recommended
Dynamic Reconfiguration Bitstream Bank
Some Altera FPGA designs use partial reconfiguration to swap logic blocks at runtime, requiring multiple bitstreams stored in a single boot memory. The 16 Mbit EPC16VC88 can hold 4-8 partial bitstreams depending on design size, with the application logic selecting which bitstream to load via the nCONFIG/nSTATUS handshake. This pattern is common in software-defined radio and adaptive computing applications where one FPGA performs multiple functions over time.
Recommended
Recommended Products Summary
Engineering reference data for EPC16VC88 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPC16QC100 | EPC16QI100 | EPC16JC88 | EPC164C88N |
|---|---|---|---|---|---|
| Package | 88-pin CQFP | 100-pin CQFP - different | 100-pin CQFP - different | 88-pin CQFP - same | 88-pin CQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera |
| Memory Density | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| JTAG / ISP | IEEE 1149.1 / IEEE 1532 | IEEE 1149.1 / IEEE 1532 | IEEE 1149.1 / IEEE 1532 | IEEE 1149.1 / IEEE 1532 | IEEE 1149.1 / IEEE 1532 |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Configuration Clock | 20 MHz typical | 20 MHz typical | 20 MHz typical | 20 MHz typical | 20 MHz typical |
| Cascade Support | Yes | Yes | Yes | Yes | Yes |
| Drop-in for EPC16VC88 | (reference) | No - 100-pin not 88-pin | No - 100-pin not 88-pin | Yes - same package and die | Yes - same package, die revision |
Key Differentiators
- Largest density in the EPC16 family at 16 Mbit (vs EPC8 (8 Mbit) and EPC4 (4 Mbit))
- 88-pin CQFP variant for compact legacy boards (vs EPC16QC100 (100-pin CQFP))
- IEEE 1532 ISP compliance with on-chip JTAG controller (vs Generic SPI flash used as boot memory)
Design Notes
The EPC16VC88 operates from a single 3.3V supply; during JTAG ISP flash programming, peak current can briefly exceed the idle specification. Decouple VCC with a 0.1uF ceramic capacitor placed within 5 mm of the package, plus a bulk 10uF tantalum or ceramic on the same rail. During configuration streaming the VCC rail must remain within +/-5% of 3.3V or the controller may issue spurious nSTATUS toggles and abort the load.
Place the EPC16VC88 as close as practical to the target FPGA's configuration pins to minimize trace length on the DCLK and DATA lines - long traces pick up noise and corrupt the bitstream at 20 MHz. Keep JTAG signals (TCK, TMS, TDI, TDO) away from switching power converter nodes. Provide a 10k pull-up on nCONFIG to VCC and a 10k pull-up on nSTATUS to VCC so the configuration handshake initializes cleanly at power-up.
Do not assume the EPC16VC88 supports Stratix V or later families - those require EPCQ SPI flash. Verify the target FPGA is on the supported device list (Stratix, Stratix II/III, Cyclone, Cyclone II, APEX 20K, Mercury). When cascading multiple FPGAs, ensure the bitstream order in the EPC16VC88 matches the physical nCASC daisy-chain order or downstream FPGAs will receive the wrong image and fail CONF_DONE assertion.
Compliance Information
Compliance fields for the legacy EPC16VC88 in 88-pin CQFP are not explicitly published in the Altera datasheet or current distributor data as of 2026-09-11. AEC-Q100 is not applicable because this is a configuration memory, not a safety-critical automotive IC. RoHS/REACH/lead-free status should be confirmed with the supplier at order time, especially for broker stock.
