W19B320ATB7L
| Model | W19B320ATB7L |
| Description | Flash, 2MX16, 70ns, PBGA48, 6 X 8 MM, 0.80 MM PITCH, TFBGA-48 |
| PDF file | Total 53 pages (File size: 479K) |
| Chip Manufacturer | WINBOND |
W19B320AT/B
9.14 Alternate #CE Controlled Write (Erase/Program) Operation Timing
#Data Polling
Address
555 for program
2AA for erase
PA for program
SA for sector erase
555 for chip erase
PA
#WE
#OE
#CE
T
WC
T
WH
t
GHEL
T
CP
T
WS
T
AS
T
AH
T
PW,
T
ACCP, or
T
SE
T
CPH
T
DS
DATA
T
RH
#RESET
RY/#BY
.
A0 for program
55 for erase
T
DH
T
BUSY
.
PD for program
30 for sector erase
10 for chip erase
#DQ7
D
OUT
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.
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