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MC1555

Motorola
Part Number MC1555
Manufacturer Motorola
Description Timing Circuit
Published Jun 24, 2014
Detailed Description MC1455 MC1555 Specifications and Applications Information I 4 TIMING CIRCUIT The MC1555/MC1455 monolithic timing circui...
Datasheet PDF File MC1555 PDF File

MC1555
MC1555

Overview
MC1455 MC1555 Specifications and Applications Information I 4 TIMING CIRCUIT The MC1555/MC1455 monolithic timing circuit is a highly stable controller capable of producing accurate time delays, or oscillation.
Additional terminals are provided for triggering or resetting if desired.
In the time delay mode of operation, the time is precisely controlled by one external resistor and capacitor.
For astable operation as an oscillator, the free running frequency and the duty cycle are both accurately controlled with two external resistors and one capacitor.
The circuit may be triggered and reset on falling waveforms, and the output structure can source or sink up to 200 mA or drive MTTL circuits.
q q q q q q Direct Replacement Timing operates Adjustable for NE555/SE555 Through Timers Hours Modes From Microseconds in Both Astable and Monostable Duty Cycle High Current Output Can Source or Sink 200 mA output Can Drive MTTL ~,.
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Ground Trigger output Reset 5.
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Control Voltage Threshold Discharge Vcc 8 n 1 (Top View) 5 4 PI SUFFIX PLASTIC PACKAGE CASE 626-04 (MC1455P1 only) U SUFFIX CERAMIC PACKAGE CASE 693-02 F* ~ Ik 1 V D SUFFIX PLASTIC PACKAGE s f.
! ~ >~~ ~ Threshold Control Voltage 5 Vcc ~8 5k 7 _A 5k Trigger 2 5k 7 Gn~ 1 ‘4 Reset _B s Inhibiti Reset output MCI 455G MC1455P1 MC1455D Mcl 455U Flip R FIOP Device Oischarge CASE 751-01 * 1 ,* J SO-8 ORDERING INFORMATION Temperature Alternate — NE555V — — — SE555 INC.
, 1985 Range O“c to O“c to Package Metal Can Plastic DIP SO-8 +70”C + 70”C O“c to + 70°c O“c to + 70°c Ceramic DIP Plastic DIP OIP MC1455BPI MC1555G MCI 555U – 400C tO + a5”c – 55°C to + 125°C Metal Can – 55°C to + 125°C Ceramic MTTL is a trademark of Motorola Inc.
@MOTOROLA DS9240R3 MAXIMUM RATINGS (TA = + 2YC unless otherwise noted.
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