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Product Detailed Parameters
- Description：IC SRAM 1MBIT PARALLEL 32TSOP I
- 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：15ns
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-TFSOP (0.724", 18.40mm Width)
- Supplier Device Package：32-TSOP I
- Access Time：15 ns
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Overview
The AS7C1024B-15TJIN is a 1 Mbit (128K x 8) asynchronous static random-access memory manufactured by Alliance Memory. It operates with a supply voltage range of 4.5 V to 5.5 V and features a maximum access time of 15 ns. The device utilizes a parallel interface and is housed in a 32-pin Small Outline J-Lead (SOJ) package designed for surface-mount installation. It supports Single Data Rate (SDR) storage and functions within a commercial temperature range of 0°C to +70°C, with a maximum power consumption of 90 mA.
Feature Summary
- Asynchronous operation with 15 ns access speed
- Parallel data interface for standard connectivity
- Surface-mount SOJ-32 packaging configuration
Applications
- General-purpose volatile data storage
- Embedded system cache memory
- Industrial control unit buffering
Procurement Notes
Verify the specific suffix 'TJIN' against official datasheets to confirm the tube packaging format and industrial/commercial grade designation. Ensure the 32-pin SOJ footprint matches the target PCB layout. Confirm RoHS compliance status through current manufacturer documentation before finalizing procurement orders.
Selection Notes
Select this component when a 128K x 8 organization is required with 15 ns latency. The 5V supply requirement distinguishes it from 3.3V variants. The SOJ-32 package offers a compact solution for applications where board space is limited but through-hole or standard SMD constraints apply.
Part Context
This part belongs to the AS7C1024B series of high-speed SRAMs. It shares architectural similarities with other members like the AS7C1026B but differs in bit-width organization. The series provides non-volatile retention capabilities typical of SRAM technology while offering fast read/write cycles for immediate data processing tasks.
Replacement Considerations
Check for direct pin-compatible alternatives such as the AS7C1024B-15TJI or AS7C1024B-15TJCN if package variations are acceptable. Verify electrical parameters match exactly before substituting.
