IS45S16400J-7CTLA2-TR

The IS45S16400J-7CTLA2-TR is a 64 Mbit SDRAM organized as 4M × 16 with a parallel memory interface. It provides synchronous DRAM performance in a 54-TSOP II (0.400", 10.16 mm width) package for board-level memory implementations.

Designed for systems that require a compact parallel SDRAM device, this part offers a 143 MHz clock capability, 5.4 ns access time, and an operating supply range of 3.0 V to 3.6 V, supporting designs that need moderate-speed volatile storage across a wide operating temperature range.

Key Features

• Memory Architecture 64 Mbit SDRAM organized as 4M × 16 providing parallel DRAM storage in a single component.
• Performance Clock frequency rated at 143 MHz with an access time of 5.4 ns, enabling synchronous memory transactions at moderate speeds.
• Interface Parallel memory interface suitable for systems designed around parallel SDRAM connectivity and controllers.
• Power Operating supply voltage range of 3.0 V to 3.6 V to match 3 V-class system rails.
• Package 54-TSOP II package (0.400", 10.16 mm width) for compact PCB footprints and standard TSOP mounting.
• Operating Temperature Specified for −40°C to 105°C (TA), supporting a wide ambient temperature envelope for deployed systems.
• Manufacturer Produced by Integrated Silicon Solution Inc. (ISSI), maintaining consistent device identification and supply chain traceability.

Typical Applications

• Parallel SDRAM memory expansion — Used where additional parallel volatile storage is required on embedded PCBs or module designs.
• Board-level system memory — Suitable for designs that implement synchronous DRAM with 4M × 16 organization.
• Temperature-sensitive deployments — Appropriate for equipment operating across a −40°C to 105°C ambient range.

Unique Advantages

• Compact TSOP II footprint: The 54-TSOP II package (10.16 mm width) enables space-efficient PCB layouts while preserving parallel SDRAM pinout compatibility.
• Balanced performance: 143 MHz clock rating and 5.4 ns access time provide synchronous DRAM throughput suitable for moderate-speed applications.
• Wide supply tolerance: 3.0 V to 3.6 V operating range eases integration with 3 V-class power domains.
• Wide operating temperature: −40°C to 105°C rating supports deployments in applications with extended ambient conditions.
• Standard memory organization: 4M × 16 arrangement simplifies system memory mapping and controller interfacing.

Why Choose IS45S16400J-7CTLA2-TR?

The IS45S16400J-7CTLA2-TR positions itself as a straightforward, verifiable choice for designs needing a 64 Mbit parallel SDRAM in a compact TSOP II package. Its combination of 4M × 16 organization, 143 MHz clock capability, and 5.4 ns access time delivers predictable synchronous DRAM behavior for board-level memory implementations.

This device is suited to engineers and procurement teams specifying a 3.0–3.6 V SDRAM with a wide −40°C to 105°C operating range and industry-standard TSOP II packaging, offering a clear specification set for long-term design planning and supply continuity with ISSI as the manufacturer.

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