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参数资料
| 型号： | CAT1022WI-30-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 10/20页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR CPU 2K EEPR 8SOIC |
| 标准包装： | 3,000 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 130 ms |
| 电压 - 阀值： | 3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
CAT1021, CAT1022, CAT1023
ACKNOWLEDGE
After a successful data transfer, each receiving device is
required to generate an acknowledge. The acknowledging
device pulls down the SDA line during the ninth clock cycle,
signaling that it received the 8 bits of data.
All devices respond with an acknowledge after receiving
a START condition and its slave address. If the device has
When a device begins a READ mode it transmits 8 bits of
data, releases the SDA line and monitors the line for an
acknowledge. Once it receives this acknowledge, the device
will continue to transmit data. If no acknowledge is sent by
the Master, the device terminates data transmission and
waits for a STOP condition.
been selected along with a write operation, it responds with
an acknowledge after receiving each 8 ? bit byte.
WRITE OPERATIONS
Byte Write
In the Byte Write mode, the Master device sends the
START condition and the slave address information (with
the R/W bit set to zero) to the Slave device. After the Slave
generates an acknowledge, the Master sends a 8 ? bit address
that is to be written into the address pointers of the device.
After receiving another acknowledge from the Slave, the
SD A
SCL
START BIT
Master device transmits the data to be written into the
addressed memory location. The device acknowledges once
more and the Master generates the STOP condition. At this
time, the device begins an internal programming cycle to
non ? volatile memory. While the cycle is in progress, the
device will not respond to any request from the Master
device.
STOP BIT
Figure 5. Start/Stop Timing
SCL FROM
MASTER
1
8
9
DATA OUTPUT
FROM TRANSMITTER
DATA OUTPUT
FROM RECEIVER
STA RT
Figure 6. Acknowledge Timing
ACKNOWLEDGE
Default Configuration
1
0
1
0
0
0
0
R/W
Figure 7. Slave Address Bits
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT1022WI-30T2 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
| CAT1022WI-30-T2 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
| CAT1022WI-30T3 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
| CAT1022WI-30-T3 | 功能描述:监控电路 CPU w/2K RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| CAT1022WI-30TE13 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer |
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