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Product Detailed Parameters
- Description：IC SRAM 1MBIT PARALLEL 44SOJ
- Series：-
- Mfr：Alliance Memory, Inc.
- Package：Tube
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Asynchronous
- Memory Size：1Mbit
- Memory Organization：64K x 16
- 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：44-BSOJ (0.400", 10.16mm Width)
- Supplier Device Package：44-SOJ
- Access Time：12 ns
- Grade：-
- Qualification：-
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Overview
The AS7C31026B-12JIN is a 1 Mbit (64 K x 16) asynchronous static random-access memory manufactured by Alliance Memory. It operates with a supply voltage range of 3 V to 3.6 V and features a maximum access time of 12 ns. The device utilizes a parallel interface and is housed in a 44-pin SOJ package designed for surface mount technology. It supports single data rate operations and functions within a commercial temperature range of 0°C to +70°C, with a maximum power consumption of 75 mA.
Feature Summary
- Provides high-speed asynchronous data access with a 12 ns cycle time for efficient system integration.
- Supports 16-bit data width organization to accommodate wide bus architectures.
- Operates on a standard 3.3V power supply for compatibility with modern logic families.
Applications
- High-performance embedded systems requiring fast local memory
- Industrial control units with commercial operating environments
- Communication equipment buffer memory applications
Procurement Notes
Verify the specific suffix JIN against official datasheets to confirm the 44-pin SOJ package and commercial temperature grade. Ensure the design supports 3.3V logic levels, as this variant differs from 5V versions. Confirm humidity sensitivity handling requirements during storage and assembly processes according to manufacturer guidelines.
Selection Notes
Select this component when a 16-bit data path is required alongside 1 Mbit capacity. Compare against the AS7C31025B series if an 8-bit interface suffices, or the AS7C31024B series for alternative pinouts. Validate that the 12 ns speed meets the system timing constraints and that the SOJ footprint fits the PCB layout.
Part Context
This part belongs to the AS7C31026B family of 1 Mbit SRAMs. It shares architectural similarities with other members like the AS7C31026B-12JCN but differs in package type and potentially temperature rating. The series is designed for general-purpose memory applications where non-volatile retention is not needed.
Replacement Considerations
Check for AS7C31026B-12JCN as a potential package variant. Verify electrical compatibility before substituting with other 1Mx16 SRAMs from different manufacturers.
