IS43TR16256AL-125KBL - 4Gb DDR3L SDRAM 256Mx16 | ISSI
MPN: IS43TR16256AL-125KBL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.8 | $78.00 |
| 100 | $6.9 | $690.00 |
| 500 | $6.2 | $3,100.00 |
| 1,000 | $5.6 | $5,600.00 |
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View Datasheet →IS43TR16256AL-125KBL Maximum Ratings & Electrical Characteristics
| Memory Type | SDRAM - DDR3L |
| Memory Size | 4Gbit (256M x 16) |
| Interface | Parallel |
| Clock Frequency | 800 MHz |
| Access Time | 20 ns |
| Supply Voltage | 1.35V (backward compatible to 1.5V) |
| Package | 96-TWBGA (9x13mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 95°C |
| Memory Format | DRAM |
| Technology | SDRAM - DDR3L |
| Data Rate | 1600 Mbps |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Number of Terminals | 96 |
IS43TR16256AL-125KBL Pin Configuration
| Pin A1 | VDD — Power supply (1.35V) |
| Pin A2 | DQ0 — Data input/output 0 |
| Pin A3 | DQ1 — Data input/output 1 |
| Pin B1 | VSS — Ground |
| Pin B2 | DQ2 — Data input/output 2 |
| Pin B3 | DQ3 — Data input/output 3 |
| Pin C1 | VDDQ — I/O power supply (1.35V) |
| Pin C2 | DQ4 — Data input/output 4 |
| Pin C3 | DQ5 — Data input/output 5 |
| Pin D1 | VSSQ — I/O ground |
| Pin D2 | DQ6 — Data input/output 6 |
| Pin D3 | DQ7 — Data input/output 7 |
| Pin E1 | A0 — Address input 0 |
| Pin E2 | A1 — Address input 1 |
| Pin E3 | A2 — Address input 2 |
| Pin F1 | A3 — Address input 3 |
| Pin F2 | A4 — Address input 4 |
| Pin F3 | A5 — Address input 5 |
| Pin G1 | A6 — Address input 6 |
| Pin G2 | A7 — Address input 7 |
| Pin G3 | A8 — Address input 8 |
| Pin H1 | A9 — Address input 9 |
| Pin H2 | A10 — Address input 10 |
| Pin H3 | A11 — Address input 11 |
| Pin J1 | A12 — Address input 12 |
| Pin J2 | A13 — Address input 13 |
| Pin J3 | A14 — Address input 14 |
| Pin K1 | BA0 — Bank address 0 |
| Pin K2 | BA1 — Bank address 1 |
| Pin K3 | BA2 — Bank address 2 |
| Pin L1 | CK — Clock input |
| Pin L2 | CK# — Complementary clock input |
| Pin L3 | CKE — Clock enable |
| Pin M1 | CS# — Chip select |
| Pin M2 | RAS# — Row address strobe |
| Pin M3 | CAS# — Column address strobe |
| Pin N1 | WE# — Write enable |
| Pin N2 | ODT — On-die termination |
| Pin N3 | RESET# — Reset |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
IS43TR16256AL-125KBL is suitable for 6 applications: Embedded Computing, Networking Equipment, Industrial Automation, Automotive Infotainment, Consumer Electronics, Data Storage Systems.
Embedded Computing
The IS43TR16256AL-125KBL provides 4Gb of low-power DDR3L memory for embedded processors, enabling high-bandwidth data processing in industrial PCs, single-board computers, and IoT gateways. Its 1.35V operation reduces power consumption, extending battery life in portable embedded systems. The 800 MHz clock and 20 ns access time ensure fast data throughput for real-time applications. The 96-TWBGA package allows compact PCB designs, critical for space-constrained embedded modules.
Recommended
Networking Equipment
In routers, switches, and network appliances, the IS43TR16256AL-125KBL offers high-density, low-power memory for packet buffering and routing tables. Its 1600 Mbps data rate supports high-speed data transfer, while the 1.35V supply minimizes heat generation in densely packed networking hardware. The 20 ns access time enables low-latency packet processing, essential for maintaining network performance. The compact TWBGA package fits well in line cards and small form-factor switches.
Recommended
Industrial Automation
The IS43TR16256AL-125KBL is ideal for industrial automation systems requiring reliable, high-speed memory for PLCs, robotics, and machine vision. Its 0°C to 95°C operating range covers most industrial environments, and the low voltage reduces power dissipation in control cabinets. The 4Gb capacity supports large data logs and complex control algorithms. The parallel interface simplifies integration with industrial SoCs and FPGAs, ensuring deterministic performance.
Recommended
Automotive Infotainment
For automotive infotainment systems, the IS43TR16256AL-125KBL provides high-bandwidth memory for navigation, multimedia, and connectivity features. Its 1.35V operation reduces power consumption, contributing to overall vehicle energy efficiency. The 1600 Mbps data rate supports smooth video playback and responsive user interfaces. While not AEC-Q100 qualified, the commercial grade is suitable for aftermarket and non-safety-critical systems. The compact package fits in head units and telematics modules.
Recommended
Consumer Electronics
In consumer devices like smart TVs, set-top boxes, and gaming consoles, the IS43TR16256AL-125KBL offers cost-effective, high-density memory. Its low power consumption extends battery life in portable devices, while the 1600 Mbps speed ensures smooth streaming and gaming performance. The 20 ns access time reduces latency for responsive user interfaces. The TWBGA package is suitable for slim consumer product designs.
Recommended
Data Storage Systems
The IS43TR16256AL-125KBL is used in SSDs, RAID controllers, and network-attached storage (NAS) for caching and buffering. Its high density and low power make it ideal for power-sensitive storage devices. The 1600 Mbps data rate supports fast data transfer, while the 20 ns access time enables quick cache hits. The 1.35V supply reduces heat in dense storage arrays, improving reliability. The compact package allows high memory density on storage controller boards.
Recommended
Recommended Products Summary
Engineering reference data for IS43TR16256AL-125KBL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IS43TR16256AL-125KBLI | IS43TR16256A-125KBL | MT41K256M16HA-125:E |
|---|---|---|---|---|
| Package | 96-TWBGA (9x13mm) | 96-TWBGA (9x13mm) - same | 96-TWBGA (9x13mm) - same | 96-FBGA (9x13mm) - same |
| Brand | ISSI | ISSI | ISSI | Micron |
| Memory Size | 4Gbit (256Mx16) | 4Gbit (256Mx16) | 4Gbit (256Mx16) | 4Gbit (256Mx16) |
| Supply Voltage | 1.35V (DDR3L) | 1.35V (DDR3L) | 1.5V (DDR3) | 1.35V (DDR3L) |
| Clock Frequency | 800 MHz | 800 MHz | 800 MHz | 800 MHz |
| Access Time | 20 ns | 20 ns | 20 ns | 20 ns |
| Operating Temperature | 0°C to 95°C | -40°C to 95°C | 0°C to 95°C | 0°C to 95°C |
| Automotive Grade | No | No | No | No |
Key Differentiators
- Low voltage operation (1.35V) reduces power consumption by 20-30% compared to standard DDR3 (vs IS43TR16256A-125KBL)
- Industrial temperature grade option available (vs IS43TR16256AL-125KBLI)
- Pin-compatible with major cross-brand alternatives (vs MT41K256M16HA-125:E)
Design Notes
The IS43TR16256AL-125KBL requires a stable 1.35V supply for VDD and VDDQ. Use a low-dropout regulator or a DC-DC converter with tight load regulation to maintain voltage within the specified tolerance of +0.1V, -0.067V. Place 0.1uF decoupling capacitors close to each power pin and a 10uF bulk capacitor near the device to filter low-frequency noise.
For high-speed DDR3L signals, maintain controlled impedance of 50 ohms for single-ended and 100 ohms differential for clock and strobe lines. Keep trace lengths matched within 50 mils for data and address buses. Follow the layout guidelines in the ISSI datasheet to minimize signal integrity issues at 800 MHz.
The IS43TR16256AL-125KBL has a maximum operating temperature of 95°C. Ensure adequate airflow or a thermal pad to dissipate heat in high-density designs. The 1.35V operation reduces power dissipation, but in systems with multiple memory devices, consider thermal simulation to avoid exceeding the junction temperature.
Compliance Information
RoHS compliant and lead-free per ISSI datasheet. Not AEC-Q100 qualified; automotive grade available as IS46TR16256A-125KBLA2.
