L9704 STMicroelectronics, L9704 Datasheet
L9704
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L9704 Summary of contents
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... SENSEINPUTS WITH THE INTERNAL REFER- . ENCE RESISTOR VALUE HIGH IMMUNITY DUE TO RESISTANCE COM- PARISON WITH HYSTERESIS DESCRIPTION The L9704 is a bipolar monolithic integrated circuit for monitoring the status eight contactscon- nected to the power supply (battery). BLOCK DIAGRAM March 1992 DIP–20 SO– ...
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... L9704 ABSOLUTE MAXIMUM RATINGS Symbol V Transient Supply Voltage ( Logic Supply Voltage CC I Input DC Current Input DC Pulse INP (test pulse specification: 0 < tP < 2ms Output Current O V Enable Input Voltage EN P Power Dissipation amb T T Storage and Junction Temperature Range stg, J THERMAL DATA ...
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... GND HIGH ( ENH 5V < V < 16V S - 100 C j All Inputs Open All Inputs Closed V V BAT LOW C 50pF OUT C 50pF OUT IN1 i 1 L9704 V 5.25V unless CC Min. Typ. Max. Unit 0.8 V 2.4 V 200 300 800 4 0.05 0.2 0.4 V ...
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... L9704 APPLICATION CIRCUIT DIAGRAM Figure 1 : Typical application diagram for the L9704 circuit. The current flowing in the arrow direction is as- sumed positive. The external capacitors C the corresponding pins. FUNCTIONAL DESCRIPTION The L9704 circuit monitors the status of the contacts connectedto battery and through the series external resistors R to the contact sense input pins ...
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... In this case the total delay IN time may also be influenced by the time constant The delay time t , when disabling the device IN dTS is defined only by the internal circuitry. In bothcases, an externaloutput capacitanceless than 50pF is as- sumed, the internal output capacitances of the three-state buffers are less than 5pF. L9704 IN 5/8 ...
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... L9704 SO20 PACKAGE MECHANICAL DATA DIM. MIN 0 0. 7 6/8 mm TYP. MAX. MIN. 2.65 0.3 0.004 2.45 0.49 0.014 0.32 0.009 0.5 45 (typ.) 13.0 0.496 10.65 0.394 1.27 11.43 7.6 0.291 1.27 0.020 0.75 8 (max.) inch TYP. MAX. 0.104 ...
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... DIP20 PACKAGE MECHANICAL DATA DIM. MIN. a1 0.254 B 1. TYP. MAX. MIN. 0.010 1.65 0.055 0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34 L9704 inch TYP. MAX. 0.065 0.018 0.010 1.000 0.335 0.100 0.900 0.280 0.155 0.130 0.053 7/8 ...
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... L9704 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifica- tions mentioned in this publication are subject to change without notice ...