W19B320ABT7H Winbond Electronics, W19B320ABT7H Datasheet - Page 19

• 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

7. TABLE OF OPERATION MODES
7.1 Device Bus Operations
Legend:
Address, A
Notes:
7.2 AUTOSELECT Codes (High Voltage Method)
Legend: BA= Bank Address, SA= Sector Address, X= Don't Care.
Manufacturer ID:
Winbond
Sector Protection
Verification
Security Indicator
Bit (DQ7)
Read
Write
Standby
Output Disable
Reset
Sector Protect
Sector Unprotect
Temporary
Sector Unprotect
DESCRIPTION
1.
2.
MODE
Read Cycle1
Read Cycle2
Read Cycle3
L = Logic Low = V
Addresses are A20:A0 in word mode (#BYTE = V
If #WP/ACC = V
protection depends on whether they were last protected or unprotected using the method described in “Sector/Sector
Block Protection and Unprotect ion”. If #WP/ACC = V
IN
= Address In, D
#CE #OE #WE
V
V
V
V
V
V
±0.3V
IL
IL
IL
IL
IL
IL
#CE
V
X
X
L
L
L
L
L
DD
IL
, the two outermost boot sectors remain protected. If #WP/ACC = V
V
V
V
V
V
V
IL
IN
IL
IL
IL
IL
IL
IL
, H = Logic High = V
= Data In, D
#OE
V
V
V
V
V
V
H
X
H
X
H
H
X
L
IH
IH
IH
IH
IH
IH
A20
A12
TO
BA
BA
BA
BA
SA
BA
#WE
H
X
H
X
X
L
L
L
OUT
A11
A10
TO
X
X
X
X
X
X
= Data Out.
V
#RESET
IH
DD
, V
V
V
V
V
V
V
A9
V
V
V
H
H
±0.3V
H
L
ID
ID
ID
ID
ID
ID
ID
ID
ID
ID
= 8.5 ~ 12.5 V, V
TO
A8
A7
X
X
X
X
X
X
IH
), A20: A-1 in byte mode (#BYTE = V
#WP/ACC ADDRESSES DQ0-DQ7
- 19 -
(Note2)
(Note2)
(Note2)
HH
A6
V
V
V
V
V
V
L/H
L/H
L/H
L/H
IL
IL
IL
IL
IL
IL
, all sectors will be unprotected.
H
TO
A5
A4
X
X
X
X
X
X
HH
A1=H, A0=L
A1=H, A0=L
SA, A6=H,
SA, A6=L,
Publication Release Date: December 27, 2005
= 9.0 ± 0.5 V, X = Don’t Care, SA = Sector
A3
V
V
V
X
X
X
IL
IH
IH
A
A
A
X
X
X
IN
IN
IN
V
V
A2
V
V
V
X
IH
IH
IL
IL
IL
V
V
V
V
A1
V
V
High-Z
High-Z
High-Z
IH
IH
IH
IH
IL
IL
D
D
D
D
D
OUT
IN
IN
IN
IN
A0
V
V
V
V
V
V
W19B320AT/B
IH
IH
IH
IL
IL
IL
IH
, the two outermost boot sector
IL
#BYTE
).
#BYTE=V
= V
DDh
22h
22h
22h
DQ8 TO
X
X
High-Z
High-Z
High-Z
DQ15
D
IH
D
D
OUT
X
X
IN
IN
#BYTE
= V
DQ8-DQ15
X
X
X
X
X
X
IH
IL
(factory locked)
01h (protected)
(unprotected)
#BYTE =V
00h(Bottom)
DQ8-DQ14
(not factory
Revision A4
DQ15=A-1
01h(Top)
=High-Z,
TO DQ0
locked)
High-Z
High-Z
High-Z
High-Z
DQ7
7Eh
0Ah
DAh
00h
82h
02h
X
X
IL