W29C020P-12A Winbond, W29C020P-12A Datasheet - Page 17
W29C020P-12A
Manufacturer Part Number
W29C020P-12A
Description
256K X 8 CMOS FLASH MEMORY
Manufacturer
Winbond
Datasheet
1.W29C020P-12A.pdf
(21 pages)
- Current page: 17 of 21
- Download datasheet (268Kb)
Timing Waveforms, continued
Reset Software Data Protection Timing Diagram
Software Chip Erase Timing Diagram
Address A15-0
Address A15-0
DQ7-0
DQ7-0
WE
CE
OE
WE
CE
OE
5555
5555
SW0
T
SW0
T
WP
WP
AA
AA
T
T
WPH
WPH
2AAA
2AAA
SW1
SW1
T
55
T
55
BLC
BLC
Six-byte code for 5V-only software
Six-byte sequence for resetting
software data protection mode
5555
5555
SW2
SW2
80
80
- 17 -
chip erase
5555
5555
SW3
SW3
AA
AA
2AAA
SW4
2AAA
SW4
55
55
Publication Release Date: February 1998
5555
SW5
5555
SW5
10
20
Internal programming starts
Internal erasing starts
T
T
WC
WC
W29C020
Revision A3
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