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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
- 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：32-BSOJ (0.400", 10.16mm Width)
- Supplier Device Package：32-SOJ
- Access Time：12 ns
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Overview
The AS7C1024B-12JIN is a 1 Mbit (128K x 8) asynchronous static random access memory manufactured by Alliance Memory. It operates within a voltage range of 4.5 V to 5.5 V with a maximum supply current of 100 mA. The device features a 12 ns access time and utilizes a parallel interface. It is housed in a 32-pin SOJ package designed for surface mount technology. The component supports single data rate storage 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.
- Operates on standard 5V power supplies, ensuring compatibility with conventional logic families.
- Engineered for industrial environments with extended thermal stability from -40°C to +85°C.
Applications
- Industrial control systems requiring reliable non-volatile-like temporary storage
- Embedded applications utilizing 5V logic interfaces
- Data buffering in high-reliability electronic equipment
Procurement Notes
Verify the specific suffix JIN against official datasheets to confirm the 32-pin SOJ package and industrial temperature rating. Ensure the design accommodates the 4.5V to 5.5V operating range and 100mA maximum current draw. Confirm humidity sensitivity handling procedures are integrated into the assembly process as indicated by manufacturer specifications.
Selection Notes
Select this component when a 128K x 8 organization is required with 12 ns speed at 5V. The SOJ-32 package suits applications needing robust surface-mount solutions. Consider the industrial temperature grade if operation below 0°C is necessary. Verify that the parallel interface aligns with the target controller's memory bus capabilities.
Part Context
This part belongs to the AS7C1024B series of fast asynchronous SRAMs. It shares architectural similarities with other variants like the AS7C1024B-15TJCNTR but differs in speed grade and packaging. The B-series designation typically indicates standard performance levels within the Alliance Memory portfolio, distinct from low-power or specialized die variants.
Replacement Considerations
Check for AS7C1024B-12JCN for tube packaging equivalents. Verify pinout compatibility before substituting with TSOP packages such as AS7C1024B-12TIN, noting potential footprint differences.
