参数资料
| 型号： | DS28EC20P+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/27页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 20KBIT 6TSOC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 4,000 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 20K（256 x 80） |
| 接口： | 1 线 串行 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 6-LSOJ |
| 供应商设备封装： | 6-TSOC |
| 包装： | 带卷 (TR) |
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DS28EC20: 20Kb 1-Wire EEPROM
COMMAND-SPECIFIC 1-Wire COMMUNICATION PROTOCOL—LEGEND
SYMBOL
RST
PD
Select
WS
RS
CPS
RM
ERM
TA
TA-E/S
<data to EOS>
<data to EOM>
<data to EOP>
CRC16
FF loop
AA loop
Programming
DESCRIPTION
1-Wire reset pulse generated by master.
1-Wire presence pulse generated by slave.
Command and data to satisfy the ROM function protocol.
Command "Write Scratchpad".
Command "Read Scratchpad".
Command "Copy Scratchpad".
Command "Read Memory".
Command "Extended Read Memory".
Target address TA1, TA2.
Target address TA1, TA2 with E/S byte.
Transfer of as many bytes as needed to reach the end of the scratchpad for a given
target address.
Transfer of as many data bytes as are needed to reach the end of the memory.
Transfer of as many data bytes as are needed to reach the end of the page for a given
target address.
Transfer of an inverted CRC16.
Indefinite loop where the master reads FF bytes.
Indefinite loop where the master reads AA bytes.
Data transfer to EEPROM; no activity on the 1-Wire bus permitted during this time.
COMMAND-SPECIFIC 1-Wire COMMUNICATION PROTOCOL—COLOR CODES
Master to Slave
Slave to Master
Programming
WRITE SCRATCHPAD (CANNOT FAIL)
RST
PD
Select
WS
TA
<Data to EOS>
CRC16
FF Loop
READ SCRATCHPAD
RST
PD
Select
RS
TA-E/S
<Data to EOS>
CRC16
FF Loop
COPY SCRATCHPAD (SUCCESS)
RST
PD
Select
CPS
TA-E/S
Programming
AA Loop
COPY SCRATCHPAD (BS = 1 OR PF = 1 OR COPY PROTECTED)
RST
PD
Select
CPS
TA-E/S
FF Loop
25 of 27
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS28EC20Q-A5A-5A+T | 制造商:Maxim Integrated Products 功能描述:20KB 1-WIRE EEPROM - Tape and Reel |
| DS28EC20Q-A5A-5A+W | 制造商:Maxim Integrated Products 功能描述:20KB 1-WIRE EEPROM - Rail/Tube |
| DS28EL15 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:DeepCover Secure Authenticator with 1-Wire SHA-256 and 512-Bit User EEPROM |
| DS28EL15Q+T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:DeepCover Secure Authenticator with 1-Wire SHA-256 and 512-Bit User EEPROM |
| DS28EL25 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:DeepCover Secure Authenticator with 1-Wire SHA-256 with 4Kb User EEPROM |
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