參數(shù)資料
型號(hào)： HN58S65AI
廠(chǎng)商： Hitachi,Ltd.
英文描述： 8192-word ×8-bit Electrically Erasable and Programmable CMOS ROM(8k字×8位 EEPROM)
中文描述： 8192字× 8位電可擦除和可編程的CMOS光盤(pán)（8K的字× 8位的EEPROM）
文件頁(yè)數(shù)： 16/19頁(yè)
文件大小： 134K
代理商： HN58S65AI
Datasheet Title
16
(1) Protection by
CE
,
OE
,
WE
To realize the unprogrammable state, the input level of control pins must be held as shown in the table
below.
CE
OE
WE
×
: Don’t care.
V
CC
: Pull-up to V
CC
level.
V
SS
: Pull-down to V
SS
level.
V
CC
×
×
×
×
×
V
SS
×
V
CC
3. Software data protection
To prevent unintentional programming caused by noise generated by external circuits, this device has the
software data protection function. In software data protection mode, 3 bytes of data must be input before
write data as follows. And these bytes can switch the non-protection mode to the protection mode.
Data
AA
↓
55
↓
A0
↓
Write data }
Address
1555
↓
0AAA
↓
1555
↓
Write address
Normal data input
Software data protection mode can be canceled by inputting the following 6 bytes. After that, this device
turns to the non-protection mode and can write data normally. But when the data is input in the canceling
cycle, the data cannot be written.
Data
AA
↓
55
↓
80
↓
AA
↓
55
↓
20
Address
1555
↓
0AAA
↓
1555
↓
1555
↓
0AAA
↓
1555
The software data protection is not enabled at the shipment.
Note:
There are some differences between Hitachi’s and other company’s for enable/disable sequence of
software data protection. If there are any questions , please contact with Hitachi sales offices.
相關(guān)PDF資料
PDF描述
HN58S65AT-15 64 k EEPROM (8-kword x 8-bit) Ready/Busy function
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HN58S65AISERIES 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:x8 EEPROM
HN58S65ASERIES 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:
HN58S65AT-15 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:64 k EEPROM (8-kword x 8-bit) Ready/Busy function
HN58S65ATI-15 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:x8 EEPROM
HN58V1001 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:1M EEPROM (128-kword × 8-bit) Ready/Busy and RES function
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