參數(shù)資料
型號： TC1277-XENB
廠商： Microchip Technology Inc.
英文描述： 3-Pin Reset Monitors for 3.3V Systems
中文描述： 3引腳復(fù)位監(jiān)控器為3.3V系統(tǒng)
文件頁數(shù)： 4/13頁
文件大小： 469K
代理商： TC1277-XENB
TC1275/TC1276/TC1277
DS21383B-page 4
2002 Microchip Technology Inc.
3.0
APPLICATIONS INFORMATION
3.1
Operation – Power Monitor
The TC1275/TC1276/TC1277 provide the function
of detecting out-of-tolerance power supply conditions
and warning a processor-based system of impending
power failure.
When V
CC
is detected as out-of-
tolerance, the RESET signal is asserted. On power-up,
RESET is kept active for approximately 200msec after
the power supply has reached the selected tolerance.
This allows the power supply and microprocessor to
stabilize before RESET is released.
FIGURE 3-1:
Timing Diagram – Power
Up (TC1275/TC1276)
FIGURE 3-2:
Timing Diagram – Power
Down (TC1275/TC1276)
FIGURE 3-3:
Timing Diagram –
Power Up (TC1277)
FIGURE 3-4:
Timing Diagram –
Power Down (TC1277)
V
CCTP
(MAX)
V
CCTP
V
CCTP
(MIN)
t
R
V
CC
RESET
t
RPU
1
V
OH
V
CC
RESET
V
CCTP
(MAX)
V
CCTP
V
CCTP
(MIN)
V
OL
t
RPD1
t
F
t
R
t
RPU2
V
OL
V
CCTP
V
CC
RESET
V
CCTP
(MAX)
V
CCTP
(MIN)
t
F
t
RPD2
V
CC
V
CCTP
(MAX)
V
OH
RESET
V
CCTP
V
CCTP
(MIN)
RESET SLEWS WITH V
CC
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參數(shù)描述
TC1278 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems
TC1278_07 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems
TC1278-10ENB 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems
TC1278-10ENBTR 功能描述:監(jiān)控電路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TC1278-15ENB 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems
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