W19B320BTT7H Winbond Electronics, W19B320BTT7H Datasheet - Page 48

• Manufacturer Part Number: W19B320BTT7H
• Description: IC FLASH 32MBIT 70NS 48TSOP
• Manufacturer: Winbond Electronics

Specifications of W19B320BTT7H

• 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
• Other names: W19B320BTT-H; W19B320BTT-H

9.7
Notes :
9.8
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
Chip/Sector Erase Waveform
Back-to back Read/Write Cycle Waveform
#OE
Data
#CE
Data
#WE
#CE
#OE
VDD
#WE Controlled Write Cycle
T
T
WPH
VCS
Valid PA
T
T
CS
Erase Command Sequence (last two cycles)
2AAh
AH
T
T
T
T
WC
WP
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
- 48 -
W19B320BT/B DATASHEET
30h
T
AH
Valid
Out
T
OH
T
T
BUSY
T
DF
GHWL
T
Publication Release Date:Dec.25, 2007
WC
Valid PA
T
SE
#CE Controlled Write Cycle
Read Status Data
Valid
In
VA
T
Progress
CPH
In
Valid PA
T
Valid
WC
In
Complete
T
VA
T
CP
RB
Revisionv A3