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参数资料
| 型号： | R1EX24128BTAS0A#S0 |
| 厂商： | Renesas Electronics America |
| 文件页数： | 13/18页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 128K 400KHZ 8TSSOP |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 128K (16K x 8) |
| 速度： | 400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 标准包装 |
| 其它名称： | R1EX24128BTAS0A#S0DKR |
R1EX24128BSAS0A/R1EX24128BTAS0A
Random Read:
This is a read operation with defined read address. A random read requires a dummy write to set read address. The
EEPROM receives a start condition, device address word (R/W=0) and memory address 2 × 8-bit sequentially. The
EEPROM outputs acknowledgment “0” after receiving memory address then enters a current address read with
receiving a start condition. The EEPROM outputs the read data of the address which was defined in the dummy write
operation. After receiving acknowledgment “1”(no acknowledgment) and a following stop condition, the EEPROM
stops the random read operation and returns to a standby state.
Random Read Operation
Device
1st Memory
2nd Memory
Device
address
address (n)
address (n)
address
Read data (n)
128k
Start
1010
@@@
W
ACK
R/W
ACK
1010
Start
ACK
# # #
R/W
ACK
R
No ACK
Stop
Dummy write
Current address read
Notes: 1. Don't care bit
2. 2nd device address code (#) should be same as 1st (@).
Sequential Read:
Sequential reads are initiated by either a current address read or a random read. If the EEPROM receives
acknowledgment “0” after 8-bit read data, the read address is incremented and the next 8-bit read data are coming out.
This operation can be continued as long as the EEPROM receives acknowledgment “0”. The address will roll over and
returns address zero if it reaches the last address of the last page. The sequential read can be continued after roll over.
The sequential read is terminated if the EEPROM receives acknowledgment “1” (no acknowledgment) and a following
stop condition.
Sequential Read Operation
Device
address
Read data (n)
Read data (n+1) Read data (n+2) Read data (n+m)
128k
1010
R
Start
ACK
R/W
ACK
ACK
ACK
No ACK
Stop
R10DS0006EJ0100 Rev.1.00
Aug. 04, 2010
Page 13 of 16
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R1EX24128BTAS0G | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Two-wire serial interface 128k EEPROM |
| R1EX24128BTAS0I | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Two-wire serial interface 128k EEPROM (16-kword × 8-bit) |
| R1EX24128BTAS0I#S0 | 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 128K I2C,TSSOP(8), I-GRADE - Tape and Reel 制造商:Renesas Electronics Corporation 功能描述:IC EEPROM 128KBIT 400KHZ 8TSSOP |
| R1EX24256ASA00A | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Two-wire serial interface 256k EEPROM (32-kword × 8-bit) |
| R1EX24256ASA00I | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Two-wire serial interface 256k EEPROM (32-kword × 8-bit) |
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