W29C040 데이터 시트보기 (PDF) - Winbond

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W29C040

512K ·8 CMOS FLASH MEMORY

Winbond 

W29C040

Timing Waveforms, continued

Reset Software Data Protection Timing Diagram

Address A18-0

DQ7-0

#CE

#OE

#WE

Six-byte sequence for resetting

software data protection mode

TWC

5555

2AAA

5555

5555

2AAA

5555

AA

55

80

AA

55

20

TWP

TBLC

TWPH

SW0

SW1

SW2

SW3

SW4

SW5

Internal programming starts

5 Volt-only Software Chip Erase Timing Diagram

Address A18-0

DQ7-0

#CE

#OE

#WE

Six-byte code for 5V-only software

chip erase

TWC

5555

2AAA

5555

5555

2AAA

5555

AA

55

80

AA

55

10

TWP

TBLC

TWPH

SW0

SW1

SW2

SW3

SW4

SW5

Internal erasing starts

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