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参数资料
| 型号： | S29JL032H60TAI023 |
| 厂商： | ADVANCED MICRO DEVICES INC |
| 元件分类： | PROM |
| 英文描述： | 2M X 16 FLASH 3V PROM, 60 ns, PDSO48 |
| 封装： | MO-142DD, TSOP-48 |
| 文件页数： | 5/66页 |
| 文件大小： | 1691K |
| 代理商： | S29JL032H60TAI023 |
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March 10, 2005 S29JL032H_00A11
S29JL032H
11
Ad vance
Info rmat i o n
Device Bus Operations
This section describes the requirements and use of the device bus operations,
which are initiated through the internal command register. The command register
itself does not occupy any addressable memory location. The register is a latch
used to store the commands, along with the address and data information
needed to execute the command. The contents of the register serve as inputs to
the internal state machine. The state machine outputs dictate the function of the
device. Table 1 lists the device bus operations, the inputs and control levels they
require, and the resulting output. The following subsections describe each of
these operations in further detail.
Table 1. S29JL032H Device Bus Operations
Legend: L = Logic Low = VIL, H = Logic High = VIH, VID = 11.5–12.5 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, protection on the two out-
ermost boot sectors depends on whether they were last protected or unprotected using the method described in
“Sector/Sector Block Protection and Unprotection”. If WP#/ACC = VHH, all sectors will be unprotected.
Operation
CE#
OE# WE# RESET# WP#/ACC
Addresses
DQ15–DQ8
DQ7–DQ0
BYTE# =
VIH
BYTE# = VIL
Read
L
H
L/H
AIN
DOUT
DQ14–DQ8 = High-
Z, DQ15 = A-1
DOUT
Write
L
H
L
H
AIN
DIN
Standby
VCC ±
0.3 V
X
VCC ±
0.3 V
L/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
X
DIN
Sector Unprotect
L
H
L
VID
SA, A6 = H,
A1 = H, A0 = L
X
DIN
Temporary
Sector Unprotect
X
VID
AIN
DIN
High-Z
DIN
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