參數(shù)資料
型號(hào)： AS29LV160B
廠(chǎng)商： Alliance Semiconductor Corporation
英文描述： 3W 2M x 8 / 1M x 16 - CMOS Flash EEPROM
中文描述： 3W 200萬(wàn)× 8 / 1米× 16 -閃存EEPROM的CMOS
文件頁(yè)數(shù)： 3/29頁(yè)
文件大?。?/td> 561K
代理商： AS29LV160B
8/30/01;
V.0.9.5
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P. 3 of 29
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Mode
ID read MFR code
ID read device code
Read
Standby
Output disable
Write
Enable sector protect
Sector unprotect
Temporary sector
unprotect
Verify sector protect
Verify sector unprotect
Hardware Reset
L = Low (<V
IL
) = logic 0; H = High (>V
IH
) = logic 1; V
ID
= 10.0 ± 1.0V; X = don’t care.
In ×16 mode, BYTE = V
IH
. In ×8 mode, BYTE = V
IL
with DQ8-DQ14 in high Z and DQ15 = A-1.
Verification of sector protect/unprotect during A9 = V
ID.
"#
Item
CE
L
L
L
H
L
L
L
L
OE
L
L
L
X
H
H
V
ID
V
ID
WE
H
H
H
X
H
L
A0
L
H
A0
X
X
A0
L
L
A1
L
L
A1
X
X
A1
H
H
A6
L
L
A6
X
X
A6
L
H
A9
V
ID
V
ID
A9
X
X
A9
V
ID
V
ID
RESET
H
H
H
H
H
H
H
H
DQ
Code
Code
D
OUT
High Z
High Z
D
IN
X
X
Pulse/L
Pulse/L
X
X
X
X
X
X
X
V
ID
X
L
L
X
L
L
X
H
H
X
L
L
X
H
H
X
L
H
X
V
ID
V
ID
X
H
H
L
Code
Code
High Z
Description
Selected by A9 = V
ID
(9.5V–10.5V), CE = OE = A1 = A6 = L, enabling outputs.
When A0 is low (V
IL
) the output data = 52h, a unique Mfr. code for Alliance Semiconductor Flash products.
When A0 is high (V
IH
), D
OUT
represents the device code for the AS29LV160.
Selected with CE = OE = L, WE = H. Data is valid in t
ACC
time after addresses are stable, t
CE
after CE is low
and t
OE
after OE is low.
Selected with CE = H. Part is powered down, and I
CC
reduced to <1.0 μA when CE = V
CC
± 0.3V = RESET. If
activated during an automated on-chip algorithm, the device completes the operation before entering
standby.
Part remains powered up; but outputs tri-stated with OE pulled high.
Selected with CE = WE = L, OE = H. Accomplish all Flash erasure and programming through the command
register. Contents of command register serve as inputs to the internal state machine. Address latching occurs
on the falling edge of WE or CE, whichever occurs later. Data latching occurs on the rising edge WE or CE,
whichever occurs first. Filters on WE prevent spurious noise events from appearing as write commands.
Hardware protection circuitry implemented with external programming equipment causes the device to
disable program and erase operations for specified sectors. For in-system sector protection, refer to Sector
protect algorithm on page15.
Disables sector protection for all sectors using external programming equipment. All sectors must be
protected prior to sector unprotection. For in-system sector unprotection, refer to Sector unprotect
algorithm on page15.
ID MFR code,
device code
Read mode
Standby
Output disable
Write
Enable
sector protect
Sector unprotect
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