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Product Detailed Parameters
- Description：IC SRAM 4MBIT PARALLEL 44TSOP II
- Series：-
- Mfr：Alliance Memory, Inc.
- Package：Tape & Reel (TR)
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Asynchronous
- Memory Size：4Mbit
- Memory Organization：256K x 16
- Memory Interface：Parallel
- Write Cycle Time - Word, Page：55ns
- Voltage - Supply：2.7V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：44-TSOP (0.400", 10.16mm Width)
- Supplier Device Package：44-TSOP II
- Access Time：55 ns
- Grade：-
- Qualification：-
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Overview
The AS6C4016-55ZINTR is a 4 Mbit (256 K x 16) asynchronous static random-access memory manufactured by Alliance Memory. It operates within a voltage range of 2.7 V to 5.5 V and features a maximum access time of 55 ns. The device draws a maximum supply current of 60 mA and functions reliably across an industrial temperature range from -40 °C to +85 °C. It utilizes a parallel interface and is housed in a surface-mount TSOP-II-44 package.
Feature Summary
- Asynchronous operation with a 55 ns access speed for standard data retrieval
- Wide voltage compatibility supporting both 3.3 V and 5 V logic systems
- Industrial-grade thermal stability suitable for demanding environments
Applications
- Embedded storage in industrial control systems
- Data buffering in telecommunications equipment
- Memory expansion for automotive electronic modules
Procurement Notes
Verify the specific suffix ZINTR against official datasheets to confirm RoHS compliance and lead-free status. Ensure the TSOP-II-44 footprint matches your PCB layout requirements. Confirm that the 2.7 V to 5.5 V operating range aligns with your system power rails before finalizing procurement.
Selection Notes
Select this component when a 16-bit wide memory interface is required alongside broad voltage tolerance. The 55 ns speed suits general-purpose applications where high-frequency performance is not critical. Consider the TSOP-II-44 package constraints regarding board space and thermal dissipation capabilities during the design phase.
Part Context
This part belongs to the AS6C4016 family of low-power CMOS SRAMs. It provides non-volatile-like retention characteristics without the complexity of flash programming. The series is designed for cost-effective mass production while maintaining reliable data integrity across varying electrical conditions.
Replacement Considerations
Check for direct pin-compatible alternatives within the same manufacturer's portfolio. Verify that any substitute maintains the identical 256 K x 16 organization and 55 ns timing specifications.
