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Product Detailed Parameters
- Description：IC SRAM 1MBIT PARALLEL 32SOJ
- Series：-
- Mfr：Alliance Memory, Inc.
- Package：Tube
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Asynchronous
- Memory Size：1Mbit
- Memory Organization：128K x 8
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：12ns
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-BSOJ (0.300", 7.62mm Width)
- Supplier Device Package：32-SOJ
- Access Time：12 ns
- Grade：-
- Qualification：-
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Overview
The AS7C31025B-12TJIN is a 1 Mbit (128K x 8) asynchronous static random-access memory manufactured by Alliance Memory. It operates within a supply voltage range of 3.0 V to 3.6 V and features a maximum access time of 12 ns. The device supports a maximum power supply current of 65 mA and functions reliably across an operating temperature range from -40 °C to +85 °C. It utilizes a parallel interface and is housed in a surface-mount SOJ-32 package.
Feature Summary
- Asynchronous operation with fast 12 ns access time for rapid data retrieval
- Single 3.3 V power supply compatibility for low-voltage system integration
- Industrial-grade temperature rating ensuring stability in extreme environments
Applications
- Industrial control systems requiring reliable non-volatile-like caching
- Embedded computing platforms utilizing 3.3 V logic levels
- Automotive electronics operating under wide thermal conditions
Procurement Notes
Verify the specific suffix TJIN confirms the SOJ-32 package and industrial temperature range, as variations exist within the AS7C31025B series. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation prior to finalizing procurement orders. Ensure the ordering quantity aligns with standard tube packaging formats typically associated with this component type.
Selection Notes
Select this component when a 128K x 8 organization is required alongside strict 3.3 V operation limits. The industrial temperature range distinguishes it from commercial variants like the AS7C31024B-12TCN. Consider the SOJ-32 footprint constraints against available PCB real estate compared to TSOP alternatives.
Part Context
This part belongs to the AS7C31025B family of high-speed SRAMs designed for 3.3 V applications. It serves as a specialized variant within Alliance Memory's portfolio, offering industrial temperature resilience unlike commercial counterparts. The series provides a direct upgrade path for legacy 5V designs transitioning to lower voltage standards while maintaining similar pinout architectures.
Replacement Considerations
The AS7C31024B-12JCN is a verified substitute within the same family, sharing identical electrical specifications and 128K x 8 organization. Verify that the replacement matches the required industrial temperature range and SOJ-32 package dimensions before implementation.
