M54HC4538| Datasheet

M54HC4538, M54HC4538D, M54HC4538K

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M54HC4538
RAD HARD DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
s

HIGH SPEED: tPD = 25 ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: STAND BY STATE: ICC=4uA (MAX.) at TA=25 C ACTIVE STATE: ICC=200uA (TYP.) at VCC = 6V HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V WIDE OUTPUT PULSE WIDTH RANGE: tWOUT = 120 ns ~ 60 s OVER AT VCC = 4.5 V PIN AND FUNCTION COMPATIBLE WITH 54 SERIES 4538 DEVICE FULLY COMPLIANT WITH SCC-9207-008

DILC-16

FPC-16

ORDER CODES
PACKAGE DILC FPC FM M54HC4538D M54HC4538K EM M54HC4538D1 M54HC4538K1

DESCRIPTION The M54HC4538 is an high speed CMOS MONOSTABLE MULTIVIBRATOR fabricated with silicon gate C2MOS technology. Each multivibrator features both a negative A, and a positive B, edge triggered input, either of which can be used as an inhibit input. Also included is a

clear input that when taken low resets the one shot. The monostable multivibrator are retriggerable. That is, they may be triggered repeatedly while their outputs are generating a pulse and the pulse will be extended. Pulse width stability over a wide range of temperature and supply is achieved using linear CMOS techniques. The output pulse equation is simply: PW = 0.7 (R)(C) where PW is in seconds, R in Ohms and C is in Farads. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

PIN CONNECTION

June 2004

Rev. 1

1/13