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參數(shù)資料
| 型號： | HN58C65P-25 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 8192-word X 8-bit Electrically Erasable and Programmable CMOS ROM |
| 中文描述： | 8192字× 8位電可擦除和可編程的CMOS光盤 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 152K |
| 代理商： | HN58C65P-25 |
HN58C65 Series
14
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.
V
CC
CPU
RESET
Unprogrammable
Unprogrammable
*
*
*The EEPROM should be kept in unprogrammable
state during V
CC
on/off by using CPU RESET signal.
In addition, when V
CC
is turned on or off, the input level of on control pins must be held as shown in the
table below.
CE
OE
WE
X: Don’t care.
V
CC
: Pull-up to V
CC
level
V
SS
: Pull-down to V
SS
level.
V
CC
X
X
X
V
SS
X
X
X
V
CC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HN58C65FP-25 | 8192-word X 8-bit Electrically Erasable and Programmable CMOS ROM |
| HN58C66 | 8192-word ×8-bit Electrically Erasable and Programmable CMOS ROM(8k字×8位 EEPROM) |
| HN58S256AI | 32768-word ×8-bit Electrically Erasable and Programmable CMOS ROM(256k EEPROM (32k字 ×8位)) |
| HN58S256A | 256 k EEPROM (32-kword x 8-bit) |
| HN58S256AT-20 | 256 k EEPROM (32-kword x 8-bit) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HN58C65SERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| HN58C66FP-25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| HN58C66FP25T | 制造商:HIT 功能描述:HN58C66FP-25T |
| HN58C66FP-25T | 制造商:HIT 功能描述:HN58C66FP-25T |
| HN58C66P25 | 制造商:HITCHI 功能描述: |
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