參數(shù)資料
型號: CAT1022
英文描述: Supervisory Circuit with I2C Serial 2K CMOS EEPROM. Manual Reset and Watchdog Timer Monitors SDA
中文描述: 監(jiān)控電路與I2C串行2K的CMOS EEPROM中。手動復(fù)位和看門狗定時器SDA的監(jiān)視器
文件頁數(shù): 8/17頁
文件大小: 114K
代理商: CAT1022
8
CAT1026, CAT1027
Preliminary Information
Doc. No. 3010, Rev. G
Figure 2. Auxiliary Voltage Monitor Timing
tRPD2
VLOW
tRPD2
tRPD2
tRPD2
VSENSE
VREF
VLOW
VSENSE
VAUX
R1
R2
Externally adjustable
threshold
VTH-ADJ
VTH-ADJ = VREF
×
R1 + R2
R2
= 1.25V
×
R1 + R2
R2
CAT1026/27
VCC
Power Fail
Interrupt
Figure 3. Auxiliary Voltage Monitor
Figure 1. RESET Output Timing
GLITCH
t
V
CC
PURST
t
PURST
t
RPD1
t
RVALID
V
V
TH
RESET
RESET
RPD1
t
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