MT48LC4M16A2P-7E IT:J

The MT48LC4M16A2P-7E IT:J is a 64 Mbit parallel SDRAM device (4M × 16) manufactured by Micron Technology Inc. It implements fully synchronous SDR SDRAM architecture and targets systems that require a parallel 3.3 V memory interface with PC100/PC133-class timing.

With a 54-pin TSOP II package and an industrial operating temperature range of -40°C to +85°C, this device is suited for embedded and industrial electronics that need deterministic synchronous DRAM performance at up to 133 MHz clock rates.

Key Features

• Memory Architecture 64 Mbit organized as 4M × 16 bits providing a parallel SDRAM interface for synchronous data access.
• SDR SDRAM, Fully Synchronous Operation All signals are registered on the positive edge of the system clock; internal pipelined operation supports a new column address every clock cycle.
• Performance & Timing Rated for 133 MHz clock operation (speed grade -7E) with an access time of 5.4 ns and word/page write cycle time of 14 ns.
• Programmable Burst & Bank Architecture Internal banks for hiding row access/precharge and programmable burst lengths (1, 2, 4, 8, or full page) for flexible data transfer patterns.
• Refresh & Power Modes Supports Auto Refresh (4096-cycle refresh) and self-refresh modes (standard and low power where applicable) for data retention during idle periods.
• Voltage & I/O Compatibility Single-supply operation at 3.0 V to 3.6 V (3.3 V ±0.3 V); LVTTL-compatible inputs and outputs.
• Industrial Temperature Range Specified for operation from -40°C to +85°C (TA) for use in temperature-demanding environments.
• Package 54-pin TSOP II (0.400", 10.16 mm width) for surface-mount assembly in space-constrained PCB layouts.

Typical Applications

• Embedded Systems — Parallel SDRAM for microcontroller or DSP-based designs that require synchronous external memory.
• Industrial Control — Supports industrial temperature operation and deterministic SDRAM timing for control and instrumentation platforms.
• Legacy PC100/PC133 Platforms — Suitable for systems designed around PC100/PC133-class SDRAM timing and interfaces.

Unique Advantages

• Industrial Temperature Capability: Rated from -40°C to +85°C, enabling deployment in temperature-challenging environments.
• Synchronous, Pipelined Operation: Column addresses can be changed every clock cycle, improving throughput for burst transfers.
• Flexible Burst Lengths and Auto Precharge: Programmable burst modes and internal auto precharge options simplify controller implementation for varied access patterns.
• Standard 3.3 V Single-Supply: Operates from 3.0 V to 3.6 V, matching common system power rails for easier integration.
• Space-Efficient TSOP II Package: 54-pin TSOP II (400 mil) enables compact PCB layouts while providing a parallel SDRAM footprint.

Why Choose MT48LC4M16A2P-7E IT:J?

The MT48LC4M16A2P-7E IT:J provides a compact, industrial-grade 64 Mbit parallel SDRAM solution with synchronous pipelined operation and programmable burst modes. Its 133 MHz capability, deterministic timing characteristics, and single 3.3 V supply make it appropriate for embedded and industrial designs that rely on established PC100/PC133-class SDRAM behavior.

Manufactured by Micron Technology Inc., this device offers a combination of proven SDRAM feature set, industrial temperature rating, and a 54-pin TSOP II package that supports long-term use in production systems requiring a parallel SDRAM memory option.

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