W19B320ATT7H Winbond Electronics, W19B320ATT7H Datasheet - Page 48

• Manufacturer Part Number: W19B320ATT7H
• Description: IC FLASH 32MBIT 70NS 48TSOP
• Manufacturer: Winbond Electronics

Specifications of W19B320ATT7H

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 32M (4Mx8, 2Mx16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
PD for program
30 for sector erase
.
- 48 -
T
T
BUSY
PW,
T
ACCP, or
#Data Polling
T
SE
#DQ7
PA
W19B320AT/B
D
OUT