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Product Detailed Parameters
- Description：IC SRAM 1MBIT PARALLEL 44SOJ
- Series：-
- Mfr：Alliance Memory, Inc.
- Package：Tray
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Asynchronous
- Memory Size：1Mbit
- Memory Organization：64K x 16
- Memory Interface：Parallel
- Write Cycle Time - Word, Page：12ns
- Voltage - Supply：4.5V ~ 5.5V
- 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
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Overview
The AS7C1026B-12JIN is a 1 Mbit (64 K x 16) asynchronous static random-access memory manufactured by Alliance Memory. It operates within a supply voltage range of 4.5 V to 5.5 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 reliably across an industrial temperature range from -40°C to +85°C.
Feature Summary
- Provides high-speed asynchronous data access with a 12 ns cycle time for efficient system integration.
- Supports wide 16-bit data organization to reduce pin count requirements in memory bus designs.
- Operates on standard 5V power supplies, ensuring compatibility with legacy logic families.
Applications
- Industrial control systems requiring robust memory under extreme temperature conditions
- Telecommunications equipment utilizing standard 5V logic interfaces
- Embedded storage solutions in consumer electronics
Procurement Notes
Verify the specific suffix JIN confirms the 44-pin SOJ package and industrial temperature rating during sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Ensure design-in reviews account for the specified 5V operating limits and humidity sensitivity class. Cross-reference datasheet revisions to guarantee parameter consistency with current production batches.
Selection Notes
Select this component when a 16-bit data width is required alongside standard 5V logic levels. The industrial temperature range makes it suitable for harsh environments where commercial grade parts fail. Compare against TSOP variants if board space constraints differ, noting that the SOJ form factor dictates specific footprint requirements.
Part Context
This part belongs to the AS7C1026B series of 1 Mbit SRAMs. It shares architectural similarities with other members but differs in package type and temperature grade. The '12' designation indicates the 12 ns speed grade, while 'JIN' specifies the industrial range and SOJ packaging configuration within the product family.
Replacement Considerations
Direct substitutes include AS7C1026B-12TIN for identical electrical performance in a TSOP package. For reel-based assembly needs, consider AS7C1026B-12JINTR. Verify pinout compatibility before swapping between SOJ and TSOP packages due to physical dimension differences.
