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Product Detailed Parameters
- Description：IC SRAM 1MBIT PARALLEL 44TSOP2
- 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
- Clock Frequency：-
- Write Cycle Time - Word, Page：15ns
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：44-TSOP (0.400", 10.16mm Width)
- Supplier Device Package：44-TSOP2
- Access Time：15 ns
- Grade：-
- Qualification：-
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Overview
The AS7C31026B-15TCN is a 1-Mbit (64K x 16) asynchronous static random access memory manufactured by Alliance Memory. It operates within a voltage range of 3.0V to 3.6V and features a maximum access time of 15ns. The device utilizes a parallel interface and is housed in a 44-pin TSOP-II package with a 400-mil body width. It supports single data rate (SDR) operations and functions reliably across a commercial temperature range from 0°C to +70°C, with a maximum supply current of 70mA.
Feature Summary
- Asynchronous operation with parallel interface for direct system integration
- CMOS technology ensuring low power consumption during active and standby modes
- TSOP-II surface mount packaging designed for high-density board layouts
Applications
- Embedded systems requiring fast local data storage
- Industrial control units needing reliable volatile memory
- Consumer electronics utilizing 3.3V logic levels
Procurement Notes
Verify the specific suffix TCN confirms the TSOP-II 44-pin 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 are met during assembly. Cross-reference the datasheet for exact pinout compatibility with existing PCB footprints.
Selection Notes
Select this component when a 64K x 16 organization is required at 3.3V. Compare against AS7C1026B-15TCN if 5V operation is acceptable, noting the voltage difference. Consider AS7C3513B-15TCN if half the density suffices. Verify that the 15ns speed meets the system timing constraints. Ensure the TSOP-II form factor fits the mechanical enclosure.
Part Context
This part belongs to the AS7C31026B series of 1-Mbit SRAMs. It shares architectural similarities with other members like AS7C31024B but differs in data width. The series targets applications needing moderate capacity with fast access times. It complements lower-density options like the AS7C256A and higher-density variants in the Alliance portfolio.
Replacement Considerations
Check for AS7C31026B-10TCN for faster 10ns performance in the same package. Verify pin compatibility with AS7C31026B-15JCN, which uses SOJ-44 packaging.
