參數(shù)資料
型號(hào)： AM29F080B-90SC
廠商： ADVANCED MICRO DEVICES INC
元件分類(lèi)： PROM
英文描述： 8 Megabit (1 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
中文描述： 1M X 8 FLASH 5V PROM, 90 ns, PDSO44
封裝： MO-180AA, SOP-44
文件頁(yè)數(shù)： 11/37頁(yè)
文件大?。?/td> 451K
代理商： AM29F080B-90SC
Am29F080B
11
P R E L I M I N A R Y
Hardware Data Protection
The command sequence requirement of unlock cycles
for programming or erasing provides data protection
against inadvertent writes (refer to the Command Defi-
nitions table). In addition, the following hardware data
protection measures prevent accidental erasure or pro-
gramming, which might otherwise be caused by spuri-
ous system level signals during V
CC
power-up and
power-down transitions, or from system noise.
Low V
CC
Write Inhibit
When V
CC
is less than V
LKO
, the device does not ac-
cept any write cycles. This protects data during V
CC
power-up and power-down. The command register and
all internal program/erase circuits are disabled, and the
device resets. Subsequent writes are ignored until V
CC
is greater than V
LKO
. The system must provide the
proper signals to the control pins to prevent uninten-
tional writes when V
CC
is greater than V
LKO
.
Write Pulse “Glitch” Protection
Noise pulses of less than 5 ns (typical) on OE#, CE# or
WE# do not initiate a write cycle.
Logical Inhibit
Write cycles are inhibited by holding any one of OE# =
V
IL
, CE# = V
IH
or WE# = V
IH
. To initiate a write cycle,
CE# and WE# must be a logical zero while OE# is a
logical one.
Power-Up Write Inhibit
If WE# = CE# = V
IL
and OE# = V
IH
during power up, the
device does not accept commands on the rising edge
of WE#. The internal state machine is automatically
reset to reading array data on power-up.
相關(guān)PDF資料
PDF描述
AM29F080B-90SCB 8 Megabit (1 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
AM29F080B-90SI 8 Megabit (1 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
AM29F080B-90SIB 8 Megabit (1 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
AM29F080B-150SCB 8 Megabit (1 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
AM29F080B-150SI 8 Megabit (1 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM29F080B-90SD 制造商:Spansion 功能描述:IC SM FLASH 5V 8MB
AM29F080B-90SD 制造商:Spansion 功能描述:FLASH 8MB SMD 29F080 SOIC44
AM29F080B-90SF 制造商:Spansion 功能描述: 制造商:Spansion 功能描述:IC, FLASH MEM, 8MBIT, 90NS, 44-SOIC, Memory Type:Flash - NOR, Memory Size:8Mbit,
AM29F080B-90SI 制造商:Advanced Micro Devices 功能描述:
AM29F100B120EC 制造商:AMD 功能描述:*
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