参数资料
型号: W19B320ATBAM
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 70 ns, PBGA48
封装: 6 X 8 MM, 0.80 MM PITCH, LEAD FREE, TFBGA-48
文件页数: 11/53页
文件大小: 479K
代理商: W19B320ATBAM
W19B320AT/B
Publication Release Date: December 27, 2005
- 19 -
Revision A4
7. TABLE OF OPERATION MODES
7.1 Device Bus Operations
DQ8-DQ15
MODE
#CE
#OE
#WE
#RESET
#WP/ACC
ADDRESSES DQ0-DQ7
#BYTE=VIH
#BYTE =VIL
Read
L
H
L/H
AIN
DOUT
Write
L
H
L
H
(Note2)
AIN
DIN
DQ8-DQ14
=High-Z,
DQ15=A-1
Standby
VDD
±0.3V
X
VDD
±0.3V
H
X
High-Z
Output Disable
L
H
L/H
X
High-Z
Reset
X
L
L/H
X
High-Z
Sector Protect
L
H
L
VID
L/H
SA, A6=L,
A1=H, A0=L
DIN
X
Sector Unprotect
L
H
L
VID
(Note2)
SA, A6=H,
A1=H, A0=L
DIN
X
Temporary
Sector Unprotect
X
VID
(Note2)
AIN
DIN
High-Z
Legend: L = Logic Low = VIL, H = Logic High = VIH, VID = 8.5 ~ 12.5 V, VHH = 9.0 ± 0.5 V, X = Don’t Care, SA = Sector
Address, AIN = Address In, DIN = Data In, DOUT = Data Out.
Notes:
1.
Addresses are A20:A0 in word mode (#BYTE = VIH), A20: A-1 in byte mode (#BYTE = VIL).
2.
If #WP/ACC = VIL, the two outermost boot sectors remain protected. If #WP/ACC = VIH, the two outermost boot sector
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 = VHH, all sectors will be unprotected.
7.2 AUTOSELECT Codes (High Voltage Method)
DQ8 TO
DQ15
DESCRIPTION
#CE #OE #WE
A20
TO
A12
A11
TO
A10
A9
A8
TO
A7
A6
A5
TO
A4
A3
A2
A1
A0
#BYTE
= VIH
#BYTE
= VIL
DQ7
TO DQ0
Manufacturer ID:
Winbond
VIL
VIH
BA
X
VID
X
VIL
X
VIL
DDh
X
DAh
Read Cycle1
VIL
VIH
BA
X
VID
X
VIL
X
VIL
VIH
22h
X
7Eh
Read Cycle2
VIL
VIH
BA
X
VID
X
VIL
X
VIH
VIL
22h
X
0Ah
Device
ID:
Read Cycle3
VIL
VIH
BA
X
VID
X
VIL
X
VIH
22h
X
01h(Top)
00h(Bottom)
Sector Protection
Verification
VIL
VIH
SA
X
VID
X
VIL
X
VIL VIH
VIL
X
01h (protected)
00h
(unprotected)
Security Indicator
Bit (DQ7)
VIL
VIH
BA
X
VID
X
VIL
X
VIL VIH
VIH
X
82h
(factory locked)
02h
(not factory
locked)
Legend
: BA= Bank Address, SA= Sector Address, X= Don't Care.
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