您的位置：维库电子市场网 > Datasheet > Am29LV400B-120SCB

Am29LV400B-120SCB Datasheet

  • Am29LV400B-120SCB

  • Advanced Micro Devices [4 Megabit (512 K x 8-Bit/256 K x 16...

  • 483.89KB

  • AMD

阅览下载 纠错 0

扫码查看芯片数据手册

上传产品规格书

PDF预览

PRELIMINARY
against inadvertent writes (refer to Table 5 for com-
mand definitions). In addition, the following hardware
data protection measures prevent accidental erasure
or programming, which might otherwise be caused by
spurious system level signals during V
CC
power-up
and power-down transitions, or from system noise.
Low V
CC
Write Inhibit
Perform Erase or
Program Operations
START
RESET# = V
ID
(Note 1)
RESET# = V
IH
Temporary Sector
Unprotect Completed
(Note 2)
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 鈥淕litch鈥?Protection
Noise pulses of less than 5 ns (typical) on OE#, CE# or
WE# do not initiate a write cycle.
20514C-5
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.
Notes:
1. All protected sectors unprotected.
2. All previously protected sectors are protected once
again.
Figure 1.
Temporary Sector Unprotect Operation
Hardware Data Protection
The command sequence requirement of unlock cycles
for programming or erasing provides data protection
Am29LV400
12

Am29LV400B-120SCB PDF文件相关型号

Am29LV400B-90REC,Am29LV400B-90REE,Am29LV400B-90REI,Am29LV400B-90RFC,Am29LV400B-90RFE,Am29LV400B-90RFI,Am29LV400T-150SE,Am29LV400T-150SI,Am29LV400T-150SIB,Am29LV400T-90REC,Am29LV400T-90RECB,Am29LV400T-90REE,Am29LV400T-90RFE

Am29LV400B-120SCB相关型号PDF文件下载

您可能感兴趣的PDF文件资料

热门IC型号推荐

©2024 维库电子市场网（www.dzsc.com）　备案号：浙B2-20050339-1 经营许可证：浙B2-20210386版权声明
买家服务热线：0571-85317607 | 买家服务部QQ： QQ:1609526468
卖家服务热线：0571-85317607 | 卖家服务部QQ： QQ:331652727

扫码下载APP，
一键连接广大的电子世界。

在线人工客服

买家服务：
卖家服务：

0571-85317607

客服在线时间周一至周五
9:00-17:30

关注官方微信号，
第一时间获取资讯。

建议反馈
返回顶部

建议反馈

联系人：

联系方式：

按住滑块，拖拽到最右边
>>
感谢您向阿库提出的宝贵意见，您的参与是维库提升服务的动力！意见一经采纳，将有感恩红包奉上哦！

PDF纠错X

投诉电话：0571-85317607 投诉QQ：

如选匿名将无法为您反馈投诉结果，建议实名投诉！