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| 型号： | CAT1027ZI-28-T3 |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封装： | ROHS COMPLIANT, MO-187AA, MSOP-8 |
| 文件页数： | 4/20页 |
| 文件大小： | 607K |
| 代理商： | CAT1027ZI-28-T3 |
CAT1026, CAT1027
Doc. No. 3010 Rev. L
12
2007 Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Acknowledge Polling
Disabling of the inputs can be used to take
advantage of the typical write cycle time. Once the
stop condition is issued to indicate the end of the
host’s write opration, the CAT1026 and CAT1027
initiates the internal write cycle. ACK polling can be
initiated immediately. This involves issuing the start
condition followed by the slave address for a write
operation. If the device is still busy with the write
operation, no ACK will be returned. If a write
operation has completed, an ACK will be returned
and the host can then proceed with the next read or
write operation.
READ OPERATIONS
The READ operation for the CAT1026 and CAT1027 is
initiated in the same manner as the write operation with
one exception, the R/W
bit is set to one. Three different
READ operations are possible: Immediate/Current
Address
READ,
Selective/Random
READ
and
Sequential READ.
Figure 10. Immediate Address Read Timing
SCL
SDA
8TH BI T
STOP
NO ACK
DATA OUT
89
SLAVE
ADDRESS
S
A
C
K
DATA
N
O
A
C
K
S
T
O
P
BUS ACTIVIT Y:
MASTER
SDA LINE
S
T
A
R
T
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT1027ZI30 | 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 |
| CAT1027ZI-30 | 制造商:ON Semiconductor 功能描述:SUPERVISORY CCT 2K E2 SMD 1027 |
| CAT1027ZI-30-G | 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 |
| CAT1027ZI-30-GT3 | 功能描述:监控电路 CPU SUP W/2K EEPROM 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 |
| CAT1027ZI-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 |
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