MT48LC2M32B2B5-7:G

The MT48LC2M32B2B5-7:G is a 64 Mbit SDR SDRAM organized as 2M × 32 with 4 internal banks and a parallel memory interface. It is supplied in a 90-ball VFBGA (8 × 13 mm) package and operates from a single 3.3 V ±0.3 V supply.

Designed for synchronous, pipelined memory applications, this part targets commercial-temperature systems (0°C to 70°C) that require PC100-class timing, LVTTL-compatible I/O, programmable burst lengths and predictable latency at a clock frequency of 143 MHz.

Key Features

• Core / Memory Architecture  SDR SDRAM organized as 2M × 32 (512K × 32 × 4 banks) for a total of 64 Mbit of volatile memory.
• Performance  Clock frequency 143 MHz (speed grade -7) with an access time of 5.5 ns and a write cycle time (word page) of 14 ns. Supports CAS latency (CL) settings of 1, 2 and 3.
• Burst and Command Flexibility  Programmable burst lengths of 1, 2, 4, 8 or full page; internal pipelined operation lets column addresses change every clock cycle and internal banks hide row access/precharge.
• Refresh and Power  Auto refresh and self refresh modes (self refresh not available on AT devices); 64 ms, 4096-cycle refresh for commercial devices. Single 3.3 V ±0.3 V supply; LVTTL-compatible inputs and outputs.
• Package and Mounting  90-ball VFBGA package (8 × 13 mm) in a 90-VFBGA (8x13) supplier device package for compact board-level integration.
• Commercial Temperature Range  Rated for 0°C to 70°C (TA) for commercial applications.

Typical Applications

• PC100-class systems  Use as synchronous DRAM memory in systems designed to PC100 timing and LVTTL signaling.
• Embedded systems  Compact VFBGA footprint and parallel SDRAM interface for embedded controllers and boards requiring 64 Mbit of volatile memory.
• Consumer and industrial equipment (commercial)  Memory for devices operating within a 0°C to 70°C range that need programmable burst transfers and predictable latency.
• Legacy or upgrade memory modules  Suitable for designs that require a 2M × 32 SDRAM architecture in a parallel interface and BGA package.

Unique Advantages

• Synchronous, pipelined operation: Internal pipelined design and signals registered on the positive clock edge enable consistent timing and predictable data flow.
• Flexible burst control: Programmable burst lengths (1, 2, 4, 8, full page) allow tuning transfers for throughput or latency requirements.
• Compact BGA footprint: 90-ball VFBGA (8 × 13 mm) reduces board area while providing a high-density memory option.
• PC100 compatibility and LVTTL I/O: Matches signaling and timing expectations for PC100-class synchronous designs.
• Commercial temperature rating: Designed and specified for reliable operation across 0°C to 70°C for standard commercial applications.

Why Choose IC DRAM 64MBIT PAR 90VFBGA?

The MT48LC2M32B2B5-7:G provides a documented, factory-defined 64 Mbit SDRAM solution with synchronous, pipelined architecture, programmable burst modes and PC100-class timing at 143 MHz. Its 2M × 32 organization with 4 internal banks and LVTTL-compatible I/O make it suitable for designs that need deterministic SDRAM behavior in a compact BGA package.

Backed by Micron Technology's product documentation and standard commercial operating specifications, this part is appropriate for engineers specifying parallel SDRAM for embedded, consumer or industrial applications that operate within commercial temperature limits and require a 90-ball VFBGA form factor.

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