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M29W640GB70ZA6E

Name: M29W640GB70ZA6E
Rating: 4.7 (12 reviews)

IC FLASH 64MBIT PARALLEL 48TFBGA

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Mfr。パート #M29W640GB70ZA6E
パッケージ 48-TFBGA
データシート
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仕様

Supplier	Micron Technology Inc.
Package	Tray
ProductStatus	Obsolete
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH - NOR
MemorySize	64Mb (8M x 8, 4M x 16)
MemoryInterface	Parallel
WriteCycleTime-WordPage	70ns
AccessTime	70 ns
Voltage-Supply	2.7V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	48-TFBGA

概要

Description

M29W640GB70ZA6E is a Macronix (MXIC) 64‑Mbit NOR flash memory device. It provides non‑volatile storage with a parallel (8‑bit) data bus, typically organized as 8 MB of memory. Key specs often include 3.0–3.6 V operation, ~70 ns access time, and standard NOR flash command set (Read, Byte/Word program, Block erase, and protect/suspend features). Because it is NOR flash, it offers fast random‑address reads and predictable code storage behavior, making it suitable for firmware, boot code, and other executable data in embedded systems. It does not employ wear leveling like NAND memory and is typically packaged in a multi‑pin leaded package (with ZA6E indicating a specific package/date code). In short, it’s a high‑reliability, code‑storage memory used to keep firmware persistent in microcontroller or processor‑based designs. For exact electrical characteristics, timing, package, and protection features, refer to the official datasheet.

Features

Here are the typical features of M29W640GB70ZA6E (64-Mbit NOR Flash):
- Capacity: 64 Mbit NOR Flash (8 MB)
- Speed: 70 ns read access time
- Voltage: 2.7–3.6 V operation (I/O suffix matches supply)
- Architecture: Uniform erase blocks (sector/block erase)
- Programming: Byte/word programming and page programming (typical page size ~256 bytes)
- Protection: Block/security protection features and hardware write protection
- Endurance/Retention: Endurance up to about 100k erase/program cycles; data retention > ~20 years
- Power modes: Deep power-down and low-power standby options
- Reliability: Read/verify options and status registers for operation checking
Note: exact block sizes, page size, and voltage ranges can vary by package and revision; refer to the specific datasheet for final numbers.

Package

8-pin SO8 (small-outline) package; RoHS Pb-free variant (ZA6E).

Pinout

- Pin count: 48 pins
- Function: 64-Mbit NOR flash memory (M29W640GB) with an 8-bit parallel interface; non-volatile storage for code/data; supports read, program, and erase (block/chip) operations, typically 3.3V supply and 70 ns access time.

Manufacturer

- Manufacturer: STMicroelectronics.
- What kind of company: A Franco-Italian multinational semiconductor company (headquartered in Geneva, Switzerland) that designs and manufactures a wide range of integrated circuits and semiconductor devices (memories, microcontrollers, MEMS, analog/digital ICs, sensors, etc.).

Application

M29W640GB70ZA6E is a 64‑Mbit NOR flash memory. Typical applications:
- Embedded systems firmware storage and execute-in-place (boot code, MCU firmware)
- System BIOS/firmware for embedded boards
- Automotive ECUs and infotainment
- Consumer electronics (set‑top boxes, digital cameras, DVD players)
- Networking/telecom equipment (routers, gateways)
- Firmware updates and small data storage in portable devices

Equivalent

Equivalent 64-Mbit, parallel NOR Flash parts (8-bit, ~70 ns, 3.0–3.6 V):
- Spansion S29GL064G
- Winbond W29GL064G (or W29GL064F)
- Macronix MX29GL064E
ST’s M29W640GB70ZA6E is the reference; these parts are cross-compatible equivalents.