w19b320b Winbond Electronics Corp America, w19b320b Datasheet - Page 51

• Manufacturer Part Number: w19b320b
• Description: W19b320bt/b Datasheet
• Manufacturer: Winbond Electronics Corp America

9.14 Alternate #CE Controlled Write (Erase/Program) Operation Timing
Notes:
1. Firgure indicates last two bus cycles of a program or erase operation.
2. PA= program address, SA= sector address, PD= program data.
3. #DQ7 is the complement of the data written to the device. Dout is the data written to the device.
4. Waveforms are for the word mode.
#RESET
RY/#BY
Address
DATA
#WE
#OE
#CE
T
RH
555 for program
2AA for erase
T
t
WS
T
GHEL
WC
T
WH
A0 for program
.
55 for erase
T
CP
T
T
CPH
DS
PA for program
SA for sector erase
555 for chip erase
T
AS
T
DH
T
AH
10 for chip erase
30 for sector erase
PD for program
.
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W19B320BT/B DATASHEET
T
T
BUSY
PW,
T
ACCP, or
#Data Polling
T
SE
Publication Release Date:Dec. 25, 2007
#DQ7
PA
D
OUT
Revisionv A3