W19B320ABT7H Winbond Electronics, W19B320ABT7H Datasheet - Page 45

• Manufacturer Part Number: W19B320ABT7H
• Description: IC FLASH 32MBIT 70NS 48TSOP
• Manufacturer: Winbond Electronics

Specifications of W19B320ABT7H

• 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

9.7 Chip/Sector Erase Waveform
Notes :
9.8 Back-to back Read/Write Cycle Waveform
Addresses
1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Write operation Status”).
2. These waveforms are for the word mode
Address
RY/#BY
#WE
#OE
Data
#CE
#WE
Data
#CE
#OE
VDD
#WE Controlled Write Cycle
T
WPH
T
VCS
Valid PA
T
T
CS
2AAh
AH
Erase Command Sequence (last two cycl
T
T
T
T
WP
WC
WC
Valid
DS
In
T
WP
T
55h
DS
T
CH
T
OEH
T
DH
T
T
555h for chip erase
10 for Chip Erase
WPH
Valid RA
DH
T
SR/W
T
T
T
AS
RC
ACC
T
SA
CE
Read Cycle
T
OE
- 45 -
30h
T
AH
Valid
Out
T
OH
T
BUSY
T
T
DF
GHWL
Publication Release Date: December 27, 2005
T
WC
Valid PA
T
SE
#CE Controlled Write Cycle
Read Status Data
Valid
In
VA
W19B320AT/B
T
Progress
CPH
In
Valid PA
T
Valid
Complete
WC
In
T
VA
T
CP
RB
Revision A4