MT48LC4M16A2P-75:G

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MT48LC4M16A2P-75:G

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IC DRAM 64MBIT PAR 54TSOP II

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Thông số kỹ thuật

thuộc tính Giá trị
Supplier Micron Technology Inc.
Package / Case Tray
Part Status Obsolete
Memory Type Volatile
Memory Format DRAM
Technology SDRAM
Memory Size 64Mb (4M x 16)
Memory Interface Parallel
Clock Frequency 133 MHz
Write Cycle Time - Word Page 15ns
Access Time 5.4 ns
Voltage - Supply 3V ~ 3.6V
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount

Tổng quan

Description

MT48LC4M16A2P-75:G is Micron’s 64-Mbit SDRAM (synchronous DRAM) with a 4M × 16 organization. Key points:
- Capacity/organization: 4,194,304 words × 16 bits ≈ 64 Mb total.
- Interface: synchronous, with multiplexed row/column addresses and a 16‑bit data I/O.
- Supply and speed: typically 3.3V; speed grade -75 indicates about 75 ns access time (roughly a ~66–83 MHz data rate, depending on timing).
- RoHS: the “:G” suffix denotes RoHS-compliant, lead-free packaging.
- Features: auto-refresh, standard SDRAM timing, requires proper initialization sequence from a memory controller.
- Applications: main memory in embedded systems, graphics buffers, or other devices needing a 16-bit wide SDRAM.
For exact pinout, timing parameters, refresh requirements, and package details, consult the Micron MT48LC4M16A2P-75:G datasheet.

Equivalent

MT48LC4M16A2P-75:G is Micron’s 64Mb 4M × 16 asynchronous DRAM, 75 ns, RoHS (G), TSOP-II. There isn’t a single universal “equivalent”; substitutes are other vendors’ 64Mb ×16 DRAMs with the same package and speed/voltage. For exact cross‑refs, provide the package type and supply voltage (or use distributor cross-reference tools: Mouser, Digi-Key, Arrow) to obtain verified pin‑compatible parts.

Features

Concise features of MT48LC4M16A2P-75:G:
- 64 Mb SDRAM, organized as 4M x 16
- Synchronous DRAM with 2 banks
- Burst length 4, sequential burst type; page-mode operation
- Auto precharge for easy burst termination
- Single 3.3V supply; TTL-compatible I/O
- Speed grade -75: rated up to 75 MHz operation
- Automatic refresh support
- RoHS-compliant “-G” package (green/lead-free)
- Temperature range typical for commercial parts (e.g., -40°C to 85°C)
Note: exact CAS latency options and some downstream timing values are controlled by mode registers and device datasheet.

Pinout

- Pin count: 54 pins (TSOP II package, -G denotes RoHS).
- Function: 64 Mbit, 4M × 16-bit Synchronous DRAM (SDRAM) with a 16-bit data bus. Uses multiplexed address lines and standard SDRAM control pins. Signals include: A0–A12/ multiplexer, BA0/BA1 (bank selects), CS#, RAS#, CAS#, WE#, CK, CK#, DQ0–DQ15 (data I/O), DQM0/DQM1 (data masks). Operating voltage ~3.3V; speed grade -75 (approximately 75 MHz).

Manufacturer

- Manufacturer: Micron Technology, Inc. (Micron)
- What kind of company: American multinational semiconductor company that designs and manufactures memory and storage technologies (DRAM, NAND flash, and related memory products).

Application

MT48LC4M16A2P-75:G is a 4M x 16-bit mobile SDRAM (75 ns, RoHS). Typical application areas:
- Notebook/portable computers as main memory
- Embedded systems and consumer electronics (set-top boxes, digital cameras, GPS, printers)
- Graphics/video buffers and display controllers for budget systems
- Memory for FPGA/ASIC development boards
- Networking/industrial equipment needing small-footprint, high-bandwidth SDRAM
Notes: suited where ~8 MB of SDRAM at modest speed is required in a compact, RoHS-compliant package.

Package

TSOP-II (54-pin) plastic package; RoHS-compliant (green) version.

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