參數(shù)資料
型號(hào)： HN58C256AFP-10
廠商： Hitachi,Ltd.
英文描述： 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
中文描述： 256k的EEPROM（32 KWord的× 8位）就緒/忙和RES功能（HN58C257A）
文件頁(yè)數(shù)： 20/25頁(yè)
文件大?。?/td> 126K
代理商： HN58C256AFP-10
HN58C256A Series, HN58C257A Series
20
3. Software data protection
To prevent unintentional programming, this device has the software data protection (SDP) mode. The SDP is
enabled by inputting the following 3 bytes code and write data. SDP is not enabled if only the 3 bytes code is
input. To program data in the SDP enable mode, 3 bytes code must be input before write data.
Data
AA
↓
55
↓
A0
↓
Write data }
Address
5555
↓
2AAA
↓
5555
↓
Write address
Normal data input
The SDP mode is disabled by inputting the following 6 bytes code. Note that, if data is input in the SDP
disable cycle, data can not be written.
Data
AA
↓
55
↓
80
↓
AA
↓
55
↓
20
Address
5555
↓
2AAA
↓
5555
↓
5555
↓
2AAA
↓
5555
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
HN58C256AFP-85 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
HN58C256AT-85 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
HN58C257AT-85 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
HN58C256AP-85 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
HN58C256AT-10 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HN58C256AFP10E 制造商:Renesas Electronics 功能描述:Tray 制造商:Renesas Electronics Corporation 功能描述:EEPROM,Parallel,256K,5.0V,100ns,SOP28 制造商:Renesas 功能描述:EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOP Tube
HN58C256AFP10-E 制造商:Renesas Electronics Corporation 功能描述:EEPROM PARALLEL 256K SMD 58C256
HN58C256AFP-85 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A)
HN58C256AFP85E 制造商:Renesas Electronics 功能描述:Tray 制造商:Renesas Electronics Corporation 功能描述:EEPROM,Parallel,256K,5.0V,85ns,SOP28
HN58C256AFP-85E 制造商:Renesas Electronics 功能描述:Cut Tape 制造商:Renesas 功能描述:EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOP Tube
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