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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：4.5V ~ 5.5V
- 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 AS7C1024B-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 4.5 V to 5.5 V, with a maximum power consumption 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 surface-mount package designed for SMD/SMT installation. 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 rapid read operations.
- Supports standard 5V logic levels with defined operating voltage limits for stable system integration.
- Utilizes CMOS technology to deliver fast performance while maintaining manageable power consumption profiles.
Applications
- Industrial control systems requiring reliable memory under varying environmental conditions
- Embedded applications needing fast local data storage and retrieval
- Automotive electronics operating within specified temperature ranges
Procurement Notes
Verify the specific suffix TJIN against official datasheets to confirm the SOJ-32 package and industrial temperature rating. Ensure compatibility with 5V logic interfaces before integration. Check humidity sensitivity handling requirements during assembly. Confirm availability through authorized distributors as stock levels fluctuate. Validate RoHS compliance status for your region's regulatory standards.
Selection Notes
Select this component when a 128K x 8 organization is required with 12 ns speed. Choose the SOJ-32 package if space constraints favor this form factor over TSOP alternatives. Consider the -40°C to +85°C range for industrial environments. Compare against AS7C1024B-12JCN if commercial temperature suffices. Verify pinout compatibility with existing PCB layouts.
Part Context
This part belongs to the AS7C1024B series of 1 Mbit SRAM devices. It shares architectural similarities with other variants like AS7C1024B-12JIN but differs in packaging and temperature specifications. The series is designed for general-purpose memory applications requiring non-volatile-like retention without the complexity of flash programming cycles.
Replacement Considerations
AS7C1024B-12JIN offers identical electrical specifications but uses a different package configuration. AS7C1024B-12TJCN provides the same performance in a commercial temperature grade. Verify pin-to-pin compatibility and thermal requirements before substituting.
