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IS42RM32400G-75BI is listed in the Memory IC range at ChipApex. The manufacturer field lists ISSI, Integrated Silicon Solution Inc. Its product description is IC DRAM 128MBIT PAR 90TFBGA. Review the specifications below when checking this part for your BOM.
Memory IC specifications for IS42RM32400G-75BI
- Description：IC DRAM 128MBIT PAR 90TFBGA
- Series：-
- Mfr：ISSI, Integrated Silicon Solution Inc
- Package：Tray
- Memory Type：Volatile
- Memory Format：DRAM
- Technology：SDRAM - Mobile
- Memory Size：128Mbit
- Memory Organization：4M x 32
- Memory Interface：Parallel
- Clock Frequency：133 MHz
- Write Cycle Time - Word, Page：-
- Voltage - Supply：2.3V ~ 2.7V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：90-TFBGA
- Supplier Device Package：90-TFBGA (8x13)
- Access Time：6 ns
- Grade：-
- Qualification：-
Memory IC datasheet and documents for IS42RM32400G-75BI
Memory IC Overview
The IS42RM32400G-75BI is a 128 Mbit Mobile SDRAM manufactured by ISSI. It features a 32-bit data bus width and operates at a maximum clock frequency of 133 MHz with a 6 ns access time. The device utilizes a 90-ball TFBGA (8x13 mm) package. It supports a supply voltage range of 2.5 V to 3.6 V and functions within an industrial temperature range of -40°C to +85°C. The memory organization is 4M x 32.
Memory IC Feature Summary
- Mobile SDRAM architecture optimized for portable electronic devices
- High-speed parallel data interface supporting 133 MHz operation
- Industrial-grade thermal stability for demanding environments
Memory IC Applications
- Portable consumer electronics
- Mobile communication devices
- Embedded systems requiring compact memory solutions
Memory IC Procurement Notes
Verify the specific suffix 'BI' against official ISSI documentation to confirm pinout and electrical characteristics, as variations exist within the IS42RM32400 series. Confirm availability status directly with authorized distributors, as lead times may vary. Ensure compatibility with existing PCB footprints for the 90-TFBGA package before procurement.
Memory IC Selection Notes
Select this component when a 32-bit wide mobile DRAM is required for space-constrained applications. Compare against the IS42SM32400G series if standard voltage levels are preferred over the 2.5V core typical of the RM series. Verify that the 133 MHz speed grade meets system timing requirements.
Memory IC Part Context
This part belongs to the IS42RM32400G family of mobile synchronous dynamic random-access memories. It shares architectural similarities with other ISSI mobile SDRAMs but is distinguished by its specific voltage requirements and package configuration. The RM designation typically indicates specific power management characteristics suited for mobile platforms.
Memory IC Replacement Considerations
The IS42RM32400H-75BLI is a documented equivalent in the same family offering similar specifications. Cross-reference datasheets to ensure pin compatibility and voltage tolerance alignment before substitution.
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