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CD4541

Part Number	CD4541
Manufacturer	UTC
Description	PROGRAMMABLE TIMER CMOS IC
Published	Apr 10, 2007
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD CD4541 PROGRAMMABLE TIMER  DESCRIPTION The CD4541 programmable timer comprise a 16-stag...
Datasheet	CD4541 PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD CD4541 PROGRAMMABLE TIMER  DESCRIPTION The CD4541 programmable timer comprise a 16-stage binary counter, an integrated oscillator for use with an external capacitor and two resistors, output control logic, and a special power-on reset circuit.
The counter divides the oscillator frequency by any of 4 digitally controlled division ratios.
 FEATURES * Operates at 2n frequency divider or as single transition timer * Increments on positive edge clock transitions * Wide supply voltage range: 3.
0V ~ 15V * Built-in low power RC oscillator * Oscillator frequency range ~ DC to 100 kHz * External clock applied to Pin 3 can be used instead of * oscillator * Available division ratios 28, 210, 213, or 216 * High noise immunity: 0.
45 VDD (typ) * Master reset totally independent of automatic reset operation * Automatic reset initializes all counters when power turns on * Q/Q select provides output logic level flexibility * High output drive min.
one TTL load * Maximum input leakage 1μA at 15V over full temperature * range  ORDERING INFORMATION Ordering Number Lead Free Halogen Free CD4541-D14-T CD4541L-D14-T - CD4541L-S14-R - CD4541L-P14-T Package DIP-14 SOP-14 TSSOP-14 CMOS IC Packing Tube Tape Reel Tube  MARKING DIP-14 SOP-14 / TSSOP-14 www.
unisonic.
com.
tw Copyright © 2015 Unisonic Technologies Co.
, Ltd 1 of 7 QW-R502-037.
D CD4541  PIN CONFIGURATION RTC CTC RS N.
C.
AR MR VSS 1 2 3 4 5 6 7 14 VDD 13 B 12 A 11 N.
C.
10 MODE 9 Q/Q SELECT 8Q CMOS IC  TRUTH TABLE PIN 0 5 Auto Reset Operating 6 Timer Operational 9 Output Initially Low after Reset 10 Single Cycle Mode  DIVISION RATIO TABLE AB 00 01 10 11 Number of Counter Stages n 13 10 8 16  BLOCK DIAGRAM STATE 1 Auto Reset Disabled Master Reset On Output Initially High after Reset Recycle Mode Count 2n 8192 1024 256 65536 UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 7 QW-R502-037.
D CD4541 CMOS IC  ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UN...

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