W19B320ATT7H Winbond Electronics, W19B320ATT7H Datasheet - Page 45
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W19B320ATT7H
Manufacturer Part Number
W19B320ATT7H
Description
IC FLASH 32MBIT 70NS 48TSOP
Manufacturer
Winbond Electronics
Datasheet
1.W19B320ABB7H.pdf
(53 pages)
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
- Current page: 45 of 53
- Download datasheet (364Kb)
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
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