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参数资料
型号： W29C040T-90N
厂商： WINBOND ELECTRONICS CORP
元件分类： PROM
英文描述： 512K X 8 FLASH 5V PROM, 90 ns, PDSO32
封装： TSOP1-32
文件页数： 1/28页
文件大小： 257K
代理商： W29C040T-90N
W29C040
512K
× 8 CMOS FLASH MEMORY
Publication Release Date: Aug. 14, 2006
- 1 -
Revision A11
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 2
2.
FEATURES ................................................................................................................................. 2
3.
PIN CONFIGURATIONS ............................................................................................................ 3
4.
BLOCK DIAGRAM ...................................................................................................................... 3
5.
PIN DESCRIPTION..................................................................................................................... 3
6.
FUNCTIONAL DESCRIPTION ................................................................................................... 4
6.1
Read Mode ..................................................................................................................... 4
6.2
Page Write Mode ............................................................................................................ 4
6.3
Software-protected Data Write ....................................................................................... 4
6.4
Hardware Data Protection .............................................................................................. 5
6.5
Chip Erase Modes .......................................................................................................... 5
6.6
Boot Block Operation...................................................................................................... 5
6.7
Data Polling (DQ7)- Write Status Detection ................................................................... 6
6.8
Toggle Bit (DQ6)- Write Status Detection....................................................................... 6
6.9
Product Identification ...................................................................................................... 6
7.
TABLE OF OPERATING MODES .............................................................................................. 7
7.1
Operating Mode Selection .............................................................................................. 7
7.2
Command Codes for Software Data Protection ............................................................. 7
7.3
Command Codes for Software Chip Erase .................................................................... 9
8.
DC CHARACTERISTICS .......................................................................................................... 13
9.
CAPACITANCE......................................................................................................................... 14
10.
AC CHARACTERISTICS .......................................................................................................... 15
11.
TIMING WAVEFORMS ............................................................................................................. 18
12.
ORDERING INFORMATION .................................................................................................... 23
13.
HOW TO READ THE TOP MARKING...................................................................................... 24
14.
PACKAGE DIMENSIONS ......................................................................................................... 25
15.
VERSION HISTORY ................................................................................................................. 27
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