IS42S32400D-7BI
| Part Description |
IC DRAM 128MBIT PAR 90TFBGA |
|---|---|
| Quantity | 1,703 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Integrated Silicon Solution Inc |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | RFQ |
| Datasheet |
Specifications & Environmental
| Device Package | 90-TFBGA (8x13) | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 128 Mbit | Access Time | 5.4 ns | Grade | Industrial | ||
| Clock Frequency | 143 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | N/A | Packaging | 90-TFBGA | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 4M x 32 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of IS42S32400D-7BI – IC DRAM 128MBIT PAR 90TFBGA
The IS42S32400D-7BI is a 128 Mbit SDRAM device organized as 4M × 32 with a parallel memory interface. It delivers synchronous DRAM performance with a 143 MHz clock frequency and a 5.4 ns access time for systems that require fast, volatile main or working memory.
Packaged in a 90-TFBGA (8×13) footprint and specified for operation from -40°C to 85°C (TA), this device is intended for designs requiring a compact, board-mounted parallel SDRAM solution operating from a 3.0 V to 3.6 V supply.
Key Features
- Memory Core 128 Mbit SDRAM organized as 4M × 32, providing a parallel memory architecture for synchronous DRAM operation.
- Performance Synchronous operation at a clock frequency of 143 MHz with an access time of 5.4 ns for responsive data access.
- Power Operates from a 3.0 V to 3.6 V supply range, supporting standard 3.3 V system rails.
- Package 90-TFBGA (8×13) ball-grid array package for compact, board-mounted designs.
- Interface Parallel memory interface suitable for systems designed around synchronous DRAM bus protocols.
- Temperature Range Specified operating ambient temperature from -40°C to 85°C (TA) for extended-environment operation.
- Memory Type Volatile DRAM format intended for temporary data storage and working memory.
Typical Applications
- Embedded systems — Provides 128 Mbit of parallel SDRAM for designs that require synchronous working memory within a compact BGA footprint.
- Board-level memory expansion — Used where additional volatile memory is needed on printed circuit boards with 90-TFBGA mounting.
- Industrial and temperature-sensitive designs — Suitable for systems that must operate across -40°C to 85°C ambient conditions.
Unique Advantages
- Compact BGA package: The 90-TFBGA (8×13) package enables high-density board layouts and stable board mounting.
- Synchronous performance: 143 MHz clocking and 5.4 ns access time deliver predictable, fast memory access for time-sensitive operations.
- Wide operating voltage: 3.0 V to 3.6 V supply range aligns with common 3.3 V system rails for straightforward power integration.
- Robust temperature specification: Rated from -40°C to 85°C (TA) to support designs requiring extended ambient temperature operation.
- Parallel memory organization: 4M × 32 arrangement supports wide data paths in parallel SDRAM architectures.
Why Choose IS42S32400D-7BI?
The IS42S32400D-7BI delivers a focused combination of synchronous DRAM performance, compact 90-TFBGA packaging, and industrial-temperature operation for designs that require 128 Mbit of parallel volatile memory. Its specified clock frequency, access time, and voltage range make it suitable for systems needing predictable, board-mounted SDRAM in a small footprint.
This device is appropriate for engineers and procurement teams specifying parallel SDRAM for embedded systems, board-level memory expansion, or temperature-challenged environments where a 3.0 V–3.6 V supply and a -40°C to 85°C ambient rating are required.
Request a quote or contact sales to obtain pricing, lead time, and availability details for the IS42S32400D-7BI.