IS42S32400F-7BI-TR

The IS42S32400F-7BI-TR from Integrated Silicon Solution Inc (ISSI) is a 128 Mbit volatile memory device implemented as SDRAM with a 4M x 32 organization. It provides a parallel memory interface in a 90‑TFBGA (8x13) package and operates at a clock frequency of 143 MHz.

Designed for board-level integration where a compact, parallel SDRAM solution is required, this device supports systems operating across a 3V to 3.6V supply range and an ambient temperature range of −40°C to 85°C.

Key Features

• Memory Type and Technology 128 Mbit volatile SDRAM implemented as a 4M x 32 memory organization for parallel access.
• Performance Rated for operation at a 143 MHz clock frequency, supporting the timing needs of parallel SDRAM interfaces.
• Interface Parallel memory interface suitable for 32‑bit wide data paths in system designs.
• Supply Voltage Operates from 3V to 3.6V, allowing compatibility with typical 3.3V system power rails.
• Package Supplied in a 90‑TFBGA package (8x13) for compact, surface‑mount board integration.
• Operating Temperature Specified for ambient operation from −40°C to 85°C (TA) to support a wide range of thermal environments.

Typical Applications

• Parallel memory expansion — Provides 128 Mbit of SDRAM for systems that require parallel DRAM memory in a 32‑bit organization.
• Board-level integration — The 90‑TFBGA (8x13) package fits space-constrained PCBs where a surface-mount SDRAM device is needed.
• 3.3V system designs — Suited to applications running on 3V to 3.6V supply rails requiring parallel SDRAM.
• Wide-temperature deployments — Operation from −40°C to 85°C supports designs exposed to extended ambient temperature ranges.

Unique Advantages

• 32-bit parallel organization: The 4M x 32 memory layout provides a wide data path for parallel access in system memory designs.
• Compact BGA package: 90‑TFBGA (8x13) package enables dense PCB placement while maintaining BGA reliability advantages.
• Standard SDRAM timing: 143 MHz clock frequency aligns with common SDRAM timing requirements for parallel interfaces.
• 3V–3.6V supply flexibility: Compatibility with common 3.3V power domains simplifies power supply design choices.
• Extended ambient rating: −40°C to 85°C operating range supports deployment in thermally demanding environments.

Why Choose IC DRAM 128MBIT PAR 90TFBGA?

The IS42S32400F-7BI-TR delivers a straightforward 128 Mbit SDRAM solution in a 4M x 32 parallel organization, combining a 143 MHz operating clock with a compact 90‑TFBGA package. Its 3V to 3.6V supply range and −40°C to 85°C ambient rating make it suitable for designs that require reliable, board-mounted parallel DRAM memory across varied operating conditions.

This device is ideal for engineers and procurement teams specifying parallel SDRAM for system memory expansion, buffering, or other applications where a 32‑bit wide parallel interface, compact package, and wide temperature operation are key selection criteria.

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