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參數(shù)資料
| 型號(hào)： | HN58V66A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 64 k EEPROM (8-kword ×8-bit)(64 k EEPROM (8k字 ×8位)) |
| 中文描述： | 64畝的EEPROM（8 KWord的× 8位）（64畝的EEPROM（8K的字× 8位）） |
| 文件頁(yè)數(shù)： | 21/28頁(yè) |
| 文件大小： | 208K |
| 代理商： | HN58V66A |
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HN58V65A Series, HN58V66A Series
21
2. Data protection at V
CC
on/off
When V
CC
is turned on or off, noise on the control pins generated by external circuits (CPU, etc) may
act as a trigger and turn the EEPROM to program mode by mistake. To prevent this unintentional
programming, the EEPROM must be kept in an unprogrammable state while the CPU is in an
unstable state.
Note:
The EEPROM shoud be kept in unprogrammable state during V
CC
on/off by using CPU RESET
signal.
V
CC
CPU
RESET
Unprogrammable
Unprogrammable
*
*
(1) Protection by
&(
,
2(
,
:(
To realize the unprogrammable state, the input level of control pins must be held as shown in the
table below.
V
CC
×
×
V
SS
×
×
×
: Don’t care.
V
CC
: Pull-up to V
CC
level.
V
SS
: Pull-down to V
SS
level.
&(
×
×
V
CC
2(
:(
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HN58V66AFP-10 | 制造商:Renesas Electronics Corporation 功能描述:EEPROM PARALLEL 64KBIT 8KX8 3.3V/5V 28SOP - Rail/Tube |
| HN58V66AFP-10E | 制造商:Renesas Electronics Corporation 功能描述:EEPROM Parallel 64K-bit 8K x 8 3.3V/5V 28-Pin SOP |
| HN58V66AFPI-10 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:64k EEPROM (8-kword x 8-bit) Ready/Busy function, RES function (HN58V66A) Wide Temperature Range version |
| HN58V66AFPI-10E | 制造商:Renesas Electronics Corporation 功能描述: |
| HN58V66AI | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:64k EEPROM (8-kword x 8-bit) Ready/Busy function, RES function (HN58V66A) Wide Temperature Range version |
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