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7164L25DB
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Product Detailed Parameters
- Description：IC SRAM 64KBIT PARALLEL 28CDIP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Asynchronous
- Memory Size：64Kbit
- Memory Organization：8K x 8
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：25ns
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：28-CDIP (0.600", 15.24mm)
- Supplier Device Package：28-CDIP
- Access Time：25 ns
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Overview
The Renesas Electronics Corporation 7164L25DB is a static random-access memory (SRAM) integrated circuit belonging to the 7164 series. It features a storage capacity of 64 kbit, organized as 8K x 8 bits. The device utilizes a parallel interface with an access time of 25 ns. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum power current of 100 mA. Designed for surface mount installation, it is housed in a CDIP-28 package. The component functions as asynchronous SDR memory and is rated for an industrial temperature range from -40°C to +85°C.
Feature Summary
- Provides high-speed asynchronous data access via a parallel interface architecture.
Applications
- Industrial control systems requiring reliable volatile memory storage.
Procurement Notes
Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance details and moisture sensitivity level before integration. Check for specific manufacturing date codes and lot traceability requirements. Ensure proper handling procedures are followed during assembly to prevent electrostatic discharge damage.
Selection Notes
Evaluate system compatibility regarding the 28-pin ceramic dual in-line package constraints. Assess thermal management needs for the specified operating temperature range. Consider the availability of alternative packages if surface-mount flexibility is required. Verify that the 25 ns access speed meets the timing requirements of the host processor bus.
Part Context
This component is part of the broader 7164 family of BICMOS static RAMs produced by Renesas Electronics. The family includes variants with different access speeds and packaging options, such as SOJ and standard DIP configurations. The 7164L25DB specifically targets applications needing robust performance in industrial environments with its extended temperature rating and durable ceramic construction.
Replacement Considerations
Consult official documentation for verified substitute part numbers. Cross-reference pinouts and electrical specifications carefully when considering alternatives.
