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M29W640GB70NA6E

Name: M29W640GB70NA6E
Rating: 4.7 (12 reviews)

IC FLASH 64MBIT PAR 48TSOP I

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Mfr。パート #M29W640GB70NA6E
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仕様

Part Status	Obsolete
Base Product Number	M29W640
DigiKey Programmable	Verified
Memory Type	Non-Volatile
Memory Format	FLASH
Technology	FLASH - NOR
Memory Size	64Mbit
Memory Organization	8M x 8, 4M x 16
Memory Interface	Parallel
Write Cycle Time - Word, Page	70ns
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package	48-TFSOP (0.724", 18.40mm Width)
Supplier Device Package	48-TSOP I
Packaging	Tray
Access Time	70 ns

概要

Description

M29W640GB70NA6E is a 64-Mbit NOR flash memory IC from Macronix (M29W family). It provides non-volatile firmware/storage for embedded systems and uses a parallel NOR interface (typically x8 data width).
Key specs (typical):
- Density: 64 Mbit (8 MB)
- Access/erase: 70 ns read time; sector/block erasure
- Interface: parallel NOR (x8)
- Voltage: ~3.3 V (commonly 2.7–3.6 V)
- Temperature: industrial range (-40 °C to +85 °C) often supported
- Uses: code storage for microcontrollers, boot ROMs, embedded systems; common in automotive/industrial applications
Packaging and exact erase geometries vary by variant; consult the datasheet for block size, command set, and packaging options.

Features

Key features of M29W640GB70NA6E (64-Mbit NOR Flash):
- Capacity: 64 Mbit (8 MB), x8 data bus
- Access time: 70 ns
- Operating voltage: 2.7–3.6 V (3.0 V nominal)
- Program/Erase: byte/word programming; block erase (typical block sizes as per device family)
- Command set: standard NOR flash (READ, PROGRAM, ERASE, etc.)
- Endurance and retention: ~100,000 erase/program cycles; data retention >20 years at 25°C
- Protection: hardware block protection/read-protect options (BP bits, top/bottom protection)
- Power management: low‑power standby and power-down modes
- Temp grades: available in commercial and industrial ranges
- Applications: code storage and execution in place (XIP), firmware updates
Note: exact erase block sizes and some electrical specs may vary by variant; consult the official datasheet for precise numbers.

Package

TSOP-48 (48-pin TSOP) package.

Pinout

- Pin count: 48 pins (TSOP-48)
- Function: 64-Mbit NOR flash memory (non-volatile firmware/data storage) with parallel NOR interface, supports read/erase/program operations (typical 3.0–3.6 V supply).

Manufacturer

Manufacturer: Spansion Inc. It is a semiconductor company that designs and manufactures flash memory products (NOR/NAND flash) for embedded and consumer electronics. Spansion later became part of Cypress Semiconductor (now Infineon).

Application

Typical applications for the M29W640GB70NA6E NOR flash:
- Embedded systems for booting and firmware storage (code and bootloaders)
- Automotive ECUs and instrument clusters
- Consumer electronics (set-top boxes, digital cameras, printers)
- Networking/telecom equipment (routers, switches)
- Industrial control and IoT devices
- In-system programming and firmware updates

Equivalent

Equivalents are other 64‑Mb NOR Flash parts with 3.3V and ~70 ns in the same package family. Examples: Macronix MX29GL064E, Winbond W29GL064E, STMicroelectronics M29W640DT (and related M29W640x variants). Check distributor/ datasheet cross‑reference for exact package and temperature.