参数资料
型号: W19B324MBB9G
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PBGA48
封装: TFBGA-48
文件页数: 10/52页
文件大小: 1955K
代理商: W19B324MBB9G
W19B32XMT/B
- 18 -
7. TABLE OF OPERATION MODES
7.1 Device Bus Operations
DQ8-DQ15
MODE
#CE #OE #WE #RESET #WP/ACC
Addresses
(Note2)
DQ0-DQ7
#BYTE =VIH #BYTE =VIL
Read
L
H
L/H
AIN
DOUT
Write
L
H
L
H
(Note3)
AIN
DIN
Accelerated Program
L
H
L
H
VHH
AIN
(Note 4)
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 (note2)
L
H
L
VID
L/H
SA, A6 = L,
A1 = H, A0
= L
DIN
X
Sector Unprotect (note2)
L
H
L
VID
(Note3)
SA, A6 = H,
A1 = H, A0
= L
DIN
X
Temporary Sector
Unprotect
X
VID
(Note3)
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.
The sector protect and sector unprotect functions may also be implemented via programming equipment. See the”
Sector/Sector Block Protection and Unprotection” section.
3.
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.
4.
DIN or DOUT as required by command sequence, data polling, or sector protection algorithm.
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