NX25F641C-3T Ver la hoja de datos (PDF) - NexFlash -> Winbond Electronics

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NX25F641C-3T

64M-BIT SERIAL FLASH MEMORY WITH 4-PIN SPI INTERFACE

NexFlash -> Winbond Electronics 

NX25F641C

DEVICE INFORMATION SECTOR

(READ ONLY)

WP

HOLD

OR R/B

SCK

CS

SI

SO

WRITE CONTROL

LOGIC

HOLD OR

READ/BUSY

LOGIC

CONFIGURATION

REGISTER

STATUS

REGISTER

25 SERIES

SPI

COMMAND AND

CONTROL LOGIC

64 MEGABIT

SERIAL FLASH MEMORY ARRAY

16,384 BYTE-ADDRESSABLE

256

SECTORS OF 528 BYTES EACH

ORGANIZED IN 256 BLOCKS OF

64 SECTORS PER BLOCK

PAGE LATCH / BUFFER

HIGH-VOLTAGE

GENERATORS

SECTOR-ADDRESS

LATCH

DATA

BYTE-ADDRESS

LATCH/COUNTER

4176

SRAM BUFFER 1

(528 BYTES)

14

SRAM BUFFER 2

(528 BYTES)

STATE MACHINE AND CONTROL LOGIC

10

Figure 1. NX25F641C Architectural Block Diagram

NexFlash Technologies, Inc.

5

PRELIMINARY NXSF032A-0502

05/06/02 ©

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