IS43TR16256AL-125KBLI-TR - 4Gbit DDR3L SDRAM 256Mx16 | ISSI
MPN: IS43TR16256AL-125KBLI-TR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.73 | $12.73 |
| 10 | $11.5 | $115.00 |
| 100 | $10.2 | $1,020.00 |
| 500 | $9.1 | $4,550.00 |
| 1,000 | $8.25 | $8,250.00 |
Drop-in alternatives for IS43TR16256AL-125KBLI-TR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
IS43TR16256AL-125KBLI
β Drop-Inπ Reference alternative (not in catalog)
IS43TR16256AL-125KBL
β Drop-Inβ In Stock
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View Datasheet βIS43TR16256A-125KBLI
β Drop-Inπ Reference alternative (not in catalog)
IS43TR16256BL-125KBLI
β Drop-Inπ Reference alternative (not in catalog)
IS43TR16256AL-107MBLI-TR
β Drop-Inβ In Stock
$5.6 / Unit
View Datasheet βMT41K256M16HA-125:E
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View Datasheet βK4B4G1646E-BYMATCV
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$5.9 / Unit
View Datasheet βNT5CC256M16DP-DI
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$6.5 / Unit
View Datasheet βIS43TR16256AL-125KBLI-TR Maximum Ratings & Electrical Characteristics
| Memory Type | DDR3L SDRAM |
| Memory Size | 4Gbit (256M x 16) |
| Data Bus Width | 16 bit |
| Clock Frequency | 800 MHz |
| Data Rate | 1600 Mbps |
| CAS Latency | 11 |
| Supply Voltage (VDD/VDDQ) | 1.35V Β± 0.1V, -0.067V |
| Backward Compatible Voltage | 1.5V |
| Row Cycle Time (tRC) | 20 ns |
| Row Active Time (tRAS) | 20 ns |
| Operating Temperature Range | -40Β°C to +95Β°C (TC) |
| Package | 96-TWBGA (9x13 mm) |
| Mounting Type | Surface Mount |
| Burst Length | 8 |
| On-Die Termination (ODT) | Yes |
| Refresh Modes | Auto-refresh, Self-refresh |
| RoHS Status | Compliant |
IS43TR16256AL-125KBLI-TR Pin Configuration
| Pin A1 | VDD β Power supply for core |
| Pin A2 | DQ0 β Data input/output 0 |
| Pin A3 | DQ1 β Data input/output 1 |
| Pin A4 | VSS β Ground |
| Pin B1 | VDDQ β Power supply for I/O |
| Pin B2 | DQ2 β Data input/output 2 |
| Pin B3 | DQ3 β Data input/output 3 |
| Pin B4 | VSSQ β I/O ground |
| Pin C1 | VSS β Ground |
| Pin C2 | DQ4 β Data input/output 4 |
| Pin C3 | DQ5 β Data input/output 5 |
| Pin C4 | VDD β Power supply for core |
| Pin D1 | VDDQ β Power supply for I/O |
| Pin D2 | DQ6 β Data input/output 6 |
| Pin D3 | DQ7 β Data input/output 7 |
| Pin D4 | VSSQ β I/O ground |
| Pin E1 | VSS β Ground |
| Pin E2 | DM0 β Data mask 0 |
| Pin E3 | DQS0 β Data strobe 0 |
| Pin E4 | VDD β Power supply for core |
| Pin F1 | VDDQ β Power supply for I/O |
| Pin F2 | DQS0# β Data strobe 0 complement |
| Pin F3 | DM1 β Data mask 1 |
| Pin F4 | VSSQ β I/O ground |
| Pin G1 | VSS β Ground |
| Pin G2 | DQ8 β Data input/output 8 |
| Pin G3 | DQ9 β Data input/output 9 |
| Pin G4 | VDD β Power supply for core |
| Pin H1 | VDDQ β Power supply for I/O |
| Pin H2 | DQ10 β Data input/output 10 |
| Pin H3 | DQ11 β Data input/output 11 |
| Pin H4 | VSSQ β I/O ground |
| Pin J1 | VSS β Ground |
| Pin J2 | DQ12 β Data input/output 12 |
| Pin J3 | DQ13 β Data input/output 13 |
| Pin J4 | VDD β Power supply for core |
| Pin K1 | VDDQ β Power supply for I/O |
| Pin K2 | DQ14 β Data input/output 14 |
| Pin K3 | DQ15 β Data input/output 15 |
| Pin K4 | VSSQ β I/O ground |
| Pin L1 | VSS β Ground |
| Pin L2 | CK β Clock input |
| Pin L3 | CK# β Clock input complement |
| Pin L4 | VDD β Power supply for core |
| Pin M1 | VDDQ β Power supply for I/O |
| Pin M2 | CKE β Clock enable |
| Pin M3 | CS# β Chip select |
| Pin M4 | VSSQ β I/O ground |
| Pin N1 | VSS β Ground |
| Pin N2 | RAS# β Row address strobe |
| Pin N3 | CAS# β Column address strobe |
| Pin N4 | VDD β Power supply for core |
| Pin P1 | VDDQ β Power supply for I/O |
| Pin P2 | WE# β Write enable |
| Pin P3 | ODT β On-die termination |
| Pin P4 | VSSQ β I/O ground |
| Pin R1 | VSS β Ground |
| Pin R2 | A0 β Address input 0 |
| Pin R3 | A1 β Address input 1 |
| Pin R4 | VDD β Power supply for core |
| Pin T1 | VDDQ β Power supply for I/O |
| Pin T2 | A2 β Address input 2 |
| Pin T3 | A3 β Address input 3 |
| Pin T4 | VSSQ β I/O ground |
| Pin U1 | VSS β Ground |
| Pin U2 | A4 β Address input 4 |
| Pin U3 | A5 β Address input 5 |
| Pin U4 | VDD β Power supply for core |
| Pin V1 | VDDQ β Power supply for I/O |
| Pin V2 | A6 β Address input 6 |
| Pin V3 | A7 β Address input 7 |
| Pin V4 | VSSQ β I/O ground |
| Pin W1 | VSS β Ground |
| Pin W2 | A8 β Address input 8 |
| Pin W3 | A9 β Address input 9 |
| Pin W4 | VDD β Power supply for core |
| Pin Y1 | VDDQ β Power supply for I/O |
| Pin Y2 | A10 β Address input 10 |
| Pin Y3 | A11 β Address input 11 |
| Pin Y4 | VSSQ β I/O ground |
| Pin AA1 | VSS β Ground |
| Pin AA2 | A12 β Address input 12 |
| Pin AA3 | BA0 β Bank address 0 |
| Pin AA4 | VDD β Power supply for core |
| Pin AB1 | VDDQ β Power supply for I/O |
| Pin AB2 | BA1 β Bank address 1 |
| Pin AB3 | BA2 β Bank address 2 |
| Pin AB4 | VSSQ β I/O ground |
| Pin AC1 | VSS β Ground |
| Pin AC2 | RESET# β Reset input |
| Pin AC3 | VREF β Reference voltage |
| Pin AC4 | VDD β Power supply for core |
| Pin AD1 | VDDQ β Power supply for I/O |
| Pin AD2 | VSS β Ground |
| Pin AD3 | VSS β Ground |
| Pin AD4 | VSSQ β I/O ground |
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-125KBLI-TR is suitable for 6 applications: Industrial Automation, Networking Equipment, Embedded Computing, Automotive Infotainment, Medical Devices, Test and Measurement.
Industrial Automation
The IS43TR16256AL-125KBLI-TR is ideal for industrial automation systems that require reliable memory in harsh environments. Its industrial temperature range (-40Β°C to +95Β°C) ensures operation in factory floors and outdoor installations. The 4Gbit density and 1600 Mbps data rate support real-time control and data logging. Low-voltage operation at 1.35V reduces power dissipation, which is critical in sealed enclosures. The 96-TWBGA package offers a compact footprint for space-constrained PLCs and robotics controllers. With a 20ns row cycle time, it delivers fast access for time-critical tasks. This DDR3L SDRAM is a robust choice for industrial PCs, HMI panels, and motion control systems.
Recommended
Networking Equipment
In networking equipment such as routers, switches, and firewalls, the IS43TR16256AL-125KBLI-TR provides high-bandwidth memory for packet buffering and routing tables. The 1600 Mbps data rate and 16-bit bus enable fast data throughput, while the 4Gbit capacity supports large forwarding databases. Low-voltage operation reduces heat generation in dense line cards, improving reliability. The 96-TWBGA package is suitable for compact PCB designs. With a CAS latency of 11, it offers low-latency access for time-sensitive network processing. This DDR3L SDRAM is a dependable choice for enterprise and carrier-grade networking hardware.
Recommended
Embedded Computing
The IS43TR16256AL-125KBLI-TR is well-suited for embedded computing modules, single-board computers, and edge computing devices. Its 4Gbit density and x16 organization provide ample memory for operating systems and applications. The 1.35V low-voltage operation extends battery life in portable embedded systems. The industrial temperature range ensures reliable operation in outdoor and automotive environments. With a 1600 Mbps data rate, it supports demanding workloads like image processing and data analytics. The 96-TWBGA package is ideal for compact embedded designs. This DDR3L SDRAM is a versatile memory solution for a wide range of embedded applications.
Recommended
Automotive Infotainment
In automotive infotainment systems, the IS43TR16256AL-125KBLI-TR provides reliable memory for navigation, multimedia, and connectivity features. Its industrial temperature range (-40Β°C to +95Β°C) meets automotive requirements. The 4Gbit capacity supports large map databases and media buffers. Low-voltage operation at 1.35V reduces power consumption, which is crucial for vehicle battery life. The 1600 Mbps data rate enables smooth video playback and responsive user interfaces. The 96-TWBGA package is compact and robust for automotive PCBs. This DDR3L SDRAM is a dependable choice for in-vehicle infotainment and telematics units.
Recommended
Medical Devices
The IS43TR16256AL-125KBLI-TR is suitable for medical devices such as patient monitors, diagnostic equipment, and imaging systems. Its high reliability and industrial temperature range ensure consistent performance in clinical environments. The 4Gbit density supports large data buffers for imaging and signal processing. Low-voltage operation reduces heat, which is important for portable medical devices. The 1600 Mbps data rate enables fast data transfer for real-time monitoring. The 96-TWBGA package is compact for space-constrained medical devices. This DDR3L SDRAM is a trusted memory solution for critical healthcare applications.
Recommended
Test and Measurement
In test and measurement equipment like oscilloscopes, logic analyzers, and signal generators, the IS43TR16256AL-125KBLI-TR provides high-speed memory for data acquisition and waveform storage. The 1600 Mbps data rate and 16-bit bus enable fast sampling and processing. The 4Gbit capacity supports long recording times. Low-voltage operation reduces power consumption in benchtop instruments. The industrial temperature range ensures accuracy in varying lab conditions. The 96-TWBGA package is suitable for compact instrument designs. This DDR3L SDRAM is a reliable choice for precision measurement applications.
Recommended
Recommended Products Summary
Engineering reference data for IS43TR16256AL-125KBLI-TR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IS43TR16256AL-125KBLI | IS43TR16256AL-125KBL | IS43TR16256A-125KBLI | IS43TR16256BL-125KBLI | IS43TR16256AL-107MBLI-TR | MT41K256M16HA-125:E | K4B4G1646E-BYMATCV | NT5CC256M16DP-DI |
|---|---|---|---|---|---|---|---|---|---|
| Package | 96-TWBGA (9x13) | 96-TWBGA (9x13) | 96-TWBGA (9x13) | 96-TWBGA (9x13) | 96-TWBGA (9x13) | 96-TWBGA (9x13) | 96-TWBGA (9x13) | 96-TWBGA (9x13) | 96-TWBGA (9x13) |
| Brand | ISSI | ISSI | ISSI | ISSI | ISSI | ISSI | Micron | Samsung | Nanya |
| Memory Size | 4Gbit | 4Gbit | 4Gbit | 4Gbit | 4Gbit | 4Gbit | 4Gbit | 4Gbit | 4Gbit |
| Data Rate | 1600 Mbps | 1600 Mbps | 1600 Mbps | 1600 Mbps | 1600 Mbps | 1866 Mbps | 1600 Mbps | 1600 Mbps | 1600 Mbps |
| Supply Voltage | 1.35V | 1.35V | 1.35V | 1.5V | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V |
| CAS Latency | 11 | 11 | 11 | 11 | 11 | 13 | 11 | 11 | 11 |
| Operating Temperature | -40Β°C to +95Β°C | -40Β°C to +95Β°C | -40Β°C to +95Β°C | -40Β°C to +95Β°C | -40Β°C to +95Β°C | -40Β°C to +95Β°C | 0Β°C to +95Β°C | 0Β°C to +95Β°C | 0Β°C to +95Β°C |
| Packaging | Tape & Reel | Tray | Tray | Tray | Tray | Tape & Reel | Tray | Tray | Tray |
Key Differentiators
- Industrial temperature range (-40Β°C to +95Β°C) (vs MT41K256M16HA-125:E)
- Low-voltage operation at 1.35V with backward compatibility to 1.5V (vs IS43TR16256A-125KBLI)
- Tape and reel packaging for automated assembly (vs IS43TR16256AL-125KBLI)
Design Notes
For reliable DDR3L operation at 1600 Mbps, maintain controlled impedance of 40-50 ohms for data lines and 40 ohms for address/command lines. Keep trace lengths matched within 50 mils for DQ/DQS groups. Place decoupling capacitors (0.1uF and 0.01uF) close to each VDD and VDDQ pin, and a 10uF bulk capacitor near the memory power supply. Follow the layout guidelines in the ISSI datasheet (43-46TR16256A-85120AL) for optimal signal integrity.
The IS43TR16256AL-125KBLI-TR operates at 1.35V, which is 10% lower than standard DDR3's 1.5V, reducing power consumption by approximately 20%. Ensure the power supply can deliver the required current with low ripple (<50mV). Use a dedicated DDR3L power regulator with proper load transient response. The device is backward compatible with 1.5V, but for optimal power savings, design the system for 1.35V operation.
The industrial temperature range of -40Β°C to +95Β°C requires careful thermal management. The 96-TWBGA package has a thermal resistance of approximately 20Β°C/W (theta_JA) with proper PCB thermal vias. For high-density systems, ensure adequate airflow or heatsinking to keep the junction temperature within limits. The low-voltage operation reduces heat generation, but in dense layouts, thermal vias under the package are recommended.
Compliance Information
RoHS compliance is indicated by ISSI's product page. Other compliance details not specified in the provided data.
