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71V3557S75BG
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Product Detailed Parameters
- Description：IC SRAM 4.5MBIT PARALLEL 119PBGA
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tray
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Synchronous, SDR (ZBT)
- Memory Size：4.5Mbit
- Memory Organization：128K x 36
- Memory Interface：Parallel
- Clock Frequency：-
- Write Cycle Time - Word, Page：-
- Voltage - Supply：3.135V ~ 3.465V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：119-BGA
- Supplier Device Package：119-PBGA (14x22)
- Access Time：7.5 ns
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Overview
The IDT71V3557S75BG is a synchronous single data rate zero bus turnaround SRAM manufactured by Renesas Electronics. It features a storage capacity of 4.5Mb organized as 128K x 36 bits. The device supports parallel interfaces with a maximum access time of 7.5 ns. It operates within a supply voltage range of 3.135V to 3.465V and is available in surface mount packages including the 165-CABGA (13x15) and 119-PBGA (14x22).
Feature Summary
- Supports synchronous burst mode operations for high-speed data transfer.
- Includes global write control and byte write enable capabilities.
- Features power-down functionality controlled by dedicated input pins.
Applications
- High-performance networking equipment buffer memory
- Industrial automation controller data storage
- Telecommunications system interface caching
Procurement Notes
Verify the specific package variant, as the base model number corresponds to multiple physical footprints such as CABGA and PBGA. Confirm RoHS compliance status and moisture sensitivity levels prior to integration. Check for active production status or obsolescence notices from the manufacturer to ensure long-term supply availability.
Selection Notes
Select this component when a 36-bit wide data path is required for system architecture compatibility. Ensure the design accommodates the 3.3V I/O logic levels and the specific thermal requirements of the chosen BGA package. Validate that the board layout supports the pin density of the 165-pin or 119-pin configuration.
Part Context
This part belongs to the IDT 71V3557 family of synchronous SRAMs designed for applications requiring fast random access and low latency. The series is characterized by its ability to interface directly with high-speed processors and network controllers without wait states.
Replacement Considerations
Cross-reference with IDT71V3557S75BQ or IDT71V3557S75BGG for equivalent electrical specifications. Verify that the replacement package matches the original footprint dimensions and pinout assignments exactly.
