MT48LC32M8A2BB-6A:G

The MT48LC32M8A2BB-6A:G is a 256 Mbit synchronous DRAM (SDRAM) device organized as 32M × 8 with four internal banks and a parallel memory interface. It is offered in a 60-ball FBGA package and targets applications requiring mid-density, fully synchronous DRAM functionality.

Designed for 3.3 V systems (single 3.3 V ±0.3 V supply / 3.0–3.6 V), the device supports synchronous, pipelined operation with programmable burst lengths and automated refresh/precharge features to simplify memory control and timing management.

Key Features

• Memory Core and Organization  256 Mbit SDRAM organized as 32M × 8 with 4 internal banks for banked row access.
• Synchronous SDRAM Operation  PC100- and PC133-compliant; fully synchronous operation with all signals registered on the positive edge of the system clock and internal pipelining for column operations every clock cycle.
• Performance and Timing  Speed grade -6A provides a clock frequency of 167 MHz. Product specifications list an access time of 5.4 ns and the datasheet timing table shows target RCD–RP–CL = 3–3–3 with CL = 18 ns for the -6A grade.
• Refresh and Power Management  Supports auto refresh, auto precharge and self-refresh modes (self-refresh note present in datasheet). Single 3.3 V ±0.3 V power supply (3.0–3.6 V) simplifies power design.
• Flexible Data Transfer  Parallel memory interface with programmable burst lengths of 1, 2, 4, 8 or full page and a write cycle time (word page) of 12 ns.
• Package and Environmental Range  60-FBGA package (60-ball TFBGA, 8 mm × 16 mm); commercial operating temperature range of 0°C to 70°C as specified.

Unique Advantages

• Mid-density memory in a compact footprint: 256 Mbit capacity in a 60-ball FBGA (8 mm × 16 mm) package enables board space savings while providing substantial DRAM capacity.
• Synchronous, pipelined operation: Registered inputs on the clock edge and internal pipelining allow predictable timing and column operations every clock cycle.
• PC100/PC133 compliance: Compliance statements in the datasheet indicate alignment with these synchronous SDRAM timing classes for designs targeting those speed grades.
• Integrated refresh and power options: Auto refresh, auto precharge and self-refresh capabilities reduce external refresh management and simplify low-level memory control.
• Standard 3.3 V supply: Single 3.3 V ±0.3 V operation (3.0–3.6 V) matches common system voltage rails for straightforward integration.
• Defined commercial temperature range: Specified operation from 0°C to 70°C for designs targeting commercial environments.

Why Choose MT48LC32M8A2BB-6A:G?

The MT48LC32M8A2BB-6A:G is positioned as a mid-density synchronous DRAM option within Micron’s 256 Mb SDRAM family, offering a combination of 256 Mbit capacity, fully synchronous pipelined operation and PC100/PC133 compliance. Its 60-ball FBGA package and single 3.3 V supply make it suitable for compact board designs that require standard SDRAM timing features such as programmable burst lengths, auto refresh and auto precharge.

This device is appropriate for designs and engineers seeking a verified SDRAM component with defined timing grades and commercial temperature operation, where predictable synchronous behavior and industry-standard supply voltages simplify memory subsystem design.

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