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参数资料
| 型号： | W19B320ATT7M |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | PROM |
| 英文描述： | 2M X 16 FLASH 3V PROM, 70 ns, PDSO48 |
| 封装： | 12 X 20 MM, LEAD FREE, TSOP-48 |
| 文件页数： | 11/53页 |
| 文件大小： | 479K |
| 代理商： | W19B320ATT7M |
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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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相关代理商/技术参数 |
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|---|---|
| W19B320B | 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory |
| W19B320BB | 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory |
| W19B320BB-H | 制造商:WINBOND 制造商全称:Winbond 功能描述:2.7~3.6-volt write (program and erase) operations |
| W19B320BB-M | 制造商:WINBOND 制造商全称:Winbond 功能描述:2.7~3.6-volt write (program and erase) operations |
| W19B320BT | 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory |
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