參數(shù)資料
型號: L9704
廠商: 意法半導體
英文描述: OCTAL SUPPLY CONTACT MONITORING CIRCUIT
中文描述: 八路電源監(jiān)控電路聯(lián)系
文件頁數(shù): 1/8頁
文件大小: 171K
代理商: L9704
L9704
March 1992
OCTAL SUPPLY CONTACT MONITORING CIRCUIT
.
OPERATING DC SUPPLY VOLTAGE RANGE
5V TO 25V
.
SUPPLYOVERVOLTAGEPULSEUP TO 40V
.
VERY LOW STANDBY QUIESCENT CUR-
RENT 0.2mA
.
INTERNAL CLAMPING DIODESAT CONTACT
INPUTS TO V
S
AND GND
.
INPUT PULSE CURRENT CAPABILITYUP TO
+ 50mA,– 75mA
.
NOMINAL CONTACT CURRENTS OF 10mA
DEFINED BY EXTERNAL CONTACT SERIES
RESISTORSR
IN1-8
.
CONTACT STATUS MONITORING BY COM-
PARING THE RESISTANCE AT CONTACT
SENSEINPUTSWITHTHEINTERNALREFER-
ENCE RESISTOR VALUE
.
HIGH IMMUNITYDUETORESISTANCECOM-
PARISONWITH HYSTERESIS
ORDERING NUMBERS:
L9704 (DIP–20)
L9704D (SO–20L)
DIP–20
SO–20L
DESCRIPTION
The L9704 is a bipolarmonolithic integratedcircuit
formonitoringthestatusofup toeightcontactscon-
nectedto the power supply (battery).
It containseight contact senseinputsand eight mi-
crocomputercompatiblethree-stateoutputs.
BLOCK DIAGRAM
1/8
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參數(shù)描述
L9704D 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL SUPPLY CONTACT MONITORING CIRCUIT
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