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Product Detailed Parameters
- Description：IC SRAM 4MBIT PARALLEL 44TSOP2
- 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
- Clock Frequency：-
- Write Cycle Time - Word, Page：45ns
- 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-TSOP2
- Access Time：45 ns
- Grade：-
- Qualification：-
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Overview
The AS6C4016A-45ZINTR 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 45 ns. The device utilizes a parallel interface and is housed in a 44-pin TSOP-II package suitable for surface mount technology. It supports industrial temperature ranges from -40°C to +85°C and includes low power CMOS technology with switchable I/O options.
Feature Summary
- Low power CMOS technology for reduced energy consumption
- Switchable I/O options allowing flexible data bus configurations
- Industrial temperature range support for harsh environments
- Asynchronous operation with fast access times
Applications
- Industrial control systems requiring reliable non-volatile-like storage
- Embedded applications needing fast local data buffering
- Automotive electronics operating in wide temperature ranges
- Telecommunications equipment requiring high-speed memory access
Procurement Notes
Verify the specific suffix ZINTR against official datasheets to confirm tape and reel packaging and RoHS compliance status. Ensure the manufacturer part number matches exactly, as minor variations in suffixes can indicate different packaging or environmental ratings. Cross-reference with the latest Alliance Memory documentation to confirm current production status and availability constraints before finalizing procurement plans.
Selection Notes
Select this component when a 256 K x 16 organization is required with 45 ns access speed. It is suitable for designs needing 2.7 V to 5.5 V supply compatibility. Consider the TSOP-II-44 package for space-constrained PCB layouts. Verify that the industrial temperature range meets the operational environment requirements compared to commercial grade alternatives.
Part Context
This part belongs to the AS6C4016 family of asynchronous SRAMs. It shares architectural similarities with other members like the AS6C4016-55ZINTR but offers faster 45 ns performance. The family is designed for general-purpose memory applications where low power and wide voltage operation are critical. It complements larger capacity devices in the Alliance Memory portfolio.
Replacement Considerations
The AS6C4016-55ZINTR is a verified substitute with identical pinout and functionality but slower 55 ns access time. Other 256 K x 16 SRAMs from different manufacturers may require level shifting or timing adjustments. Always verify electrical characteristics and pin compatibility before substituting.
