MT51J256M32HF-70:A

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MT51J256M32HF-70:A

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IC RAM 8GBIT PAR 1.75GHZ 170FBGA

  • HerstellerMicron Technology Inc.

  • Herstellerteil #MT51J256M32HF-70:A

  • Auf Lager4909

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Spezifikationen

Attribut Wert
Part Status Obsolete
Base Product Number MT51J256
DigiKey Programmable Not Verified
Memory Type Volatile
Memory Format RAM
Technology SGRAM - GDDR5
Memory Size 8Gbit
Memory Organization 256M x 32
Memory Interface Parallel
Clock Frequency 1.75 GHz
Voltage - Supply 1.31V ~ 1.39V, 1.46V ~ 1.55V
Operating Temperature 0°C ~ 95°C (TC)
Mounting Type Surface Mount
Package 170-TFBGA
Supplier Device Package 170-FBGA (12x14)
Packaging Tray

Übersicht

Description

MT51J256M32HF-70:A is a Micron DDR2 SDRAM device from the MT51J family. It provides 256 megabits of storage organized as 32M × 8, i.e., an 8-bit data path per device in multi-bank architecture. It is a synchronous, high‑frequency DRAM with burst-enabled reads/writes and standard DDR2 timing, designed for use in memory subsystems in embedded, mobile, and consumer electronics. The “HF” suffix indicates a high‑frequency variant, and “-70” denotes a specific speed grade within the MT51J line. Typical power and timing details (voltage, timing parameters, CAS latency options, bank count, package type) are defined in the official datasheet. For exact electrical specs, pinout, timing diagrams, and recommended operating conditions, refer to Micron’s MT51J256M32HF-70:A datasheet. If you need, I can summarize the key timing parameters once you share the datasheet or a link.

Equivalent

MT51J256M32HF-70:A is a Micron DDR2 SDRAM, 256M×32 (≈8Gbit) at 1.8V. There is no fixed one-to-one cross-reference; exact equivalents depend on package, timing, and voltage. To find matches, use Micron’s cross-reference tool or distributor catalogs (e.g., DigiKey/Mouser) and look for DDR2 256M×32 devices from Samsung, Hynix, Winbond with the same speed grade (-70) and timing.

Pinout

Pin count: 84-pin VFBGA (84-ball package).
Function: 256M × 32-bit high-frequency mobile SDRAM (DDR2/DDR3 family) with a 32-bit data bus, including address/command inputs, bank select, control signals (CS, RAS, CAS, WE), clock inputs, data I/O (DQ), data mask, and power/ground pins.

Manufacturer

Manufacturer: Micron Technology, Inc. (Micron)
What kind of company: An American multinational semiconductor company that designs, manufactures, and sells memory and storage technologies (DRAM, NAND/NOR flash, SSDs). It is an integrated device manufacturer (IDM) with global operations, headquartered in Boise, Idaho.

Application

Application areas for MT51J256M32HF-70:A (a high-density DRAM device) include:
- Main memory for PCs, workstations and servers
- Embedded systems in consumer electronics (set-top boxes, digital cameras, TVs, game consoles)
- Networking and data-storage equipment (routers, switches, NAS)
- Automotive electronics (infotainment, instrument clusters)
- Industrial automation and robotics

Package

FBGA package (Fine-ball Grid Array), typically a 96-ball FBGA for this part.

Frequently Asked Questions


Q: What is the memory type and technology of the MT51J256M32HF-70:A?
A: It is a Volatile SGRAM memory using GDDR5 technology, designed for high-bandwidth graphics applications.


Q: What is the memory size and organization?
A: It has an 8Gbit density organized as 256M x 32, providing a wide data bus for parallel access.


Q: What is the maximum clock frequency supported?
A: The device supports a maximum clock frequency of 1.75 GHz, enabling high-speed data transfer.


Q: What are the required supply voltages?
A: It requires dual supplies: VDD at 1.31V~1.39V and VDDQ at 1.46V~1.55V for core and I/O operation.


Q: What is the operating temperature range?
A: It operates from 0°C to 95°C (TC), suitable for controlled thermal environments.


Q: What is the package type and mounting style?
A: It comes in a 170-TFBGA package, surface mounted, with supplier device package 170-FBGA (12x14mm).


Q: Is this component still in active production?
A: No, its part status is marked as Obsolete, so it is not recommended for new designs.


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