74F191 Philips, 74F191 Datasheet
74F191
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74F191 Summary of contents
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... Up/down binary counter with reset and ripple clock Product specification IC15 Data Handbook Philips Semiconductors INTEGRATED CIRCUITS 1995 Jul 17 ...
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... Asynchronous parallel load capability Cascadable without external logic Single up/down control input DESCRIPTION The 74F191 is a 4-bit binary counter. It contains four edge-triggered master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operations. Asynchronous parallel load capability permits the counter to be preset to any desired number ...
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... Product specification 74F191 EN1 CTR DIV 10 12 M2[DOWN] 2(CT=0)Z6 3(CT=15)Z6 M3[UP] 13 1,2–/1, [LOAD [1] + – 2 [2] 6 [4] 7 [8] SF00731 ...
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... Count down change TERMINAL COUNT STATE Product specification 74F191 OPERATING MODE Parallel load Count up Count down Hold (do nothing) OUTPUTS ...
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... CLOCK * = Carry Gate c. Synchronous N-Stage Counter with Common Clock and Terminal Count The 74F191 simplifies the design of multi-stage counters, as indicated in Figure 1, each RC output is used as the clock input for the next higher stage. When the clock source has a limited drive capability this configuration is particularly advantageous, since the clock source drives only the first stage ...
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... Max Max 0. Max Max CC , the use of high-speed test apparatus and/or sample-and-hold OS 6 Product specification 74F191 RATING UNIT –0.5 to +7.0 V –0.5 to +7.0 V –30 to +5.0 mA –0 + –65 to +150 C LIMITS UNIT UNIT ...
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... Waveform 2.5 4.5 Waveform 1 5.0 7.5 6.5 9.0 Waveform 1 6.0 8.0 2.5 4.5 Waveform 2 3.0 5.0 2.0 4.0 Waveform 2 3.0 5.0 8.0 11.0 Waveform 2 4.5 7.5 4.0 6.5 Waveform 4 3.0 6.0 2.0 4.0 Waveform 3 6.5 9.0 Waveform 3 5.5 9.5 Waveform 4 6.5 9.5 Waveform 3 6.0 14.0 Waveform 4 6.0 11.0 4.5 6.5 Waveform 5 5.5 8.0 5.5 8.5 Waveform 5 6.0 10.5 8.5 16.0 Waveform 5 7.5 10.0 7 Product specification 74F191 LIMITS +70 C amb V = +5.0V 10% UNIT 50pF 500 L L Max Min Max 90 MHz 75 MHz 8.0 2.0 8.5 ns 11.5 5.0 12.0 ns 12.5 6.0 13.0 ns 11.0 6.0 12.0 ns 7.5 2.0 8.0 ns 7.5 2.5 8.0 ns 7.0 2.0 7.5 ns 7.5 3.0 8.0 ns 16.0 8.0 17.0 ns 10.5 4.0 11.0 ns 9.5 3.0 10.5 ns 9.5 3 ...
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... 50pF 500 L L Min Typ Max 4.5 Waveform 6 4.5 2.0 Waveform 6 2.0 Waveform 6 10.0 Waveform 6 0 12.0 Waveform 6 12.0 0 Waveform 6 0 3.5 Waveform 1 6.0 Waveform 5 6.0 Waveform 5 6.0 8 Product specification 74F191 LIMITS +70 C amb V = +5.0V 10% UNIT 50pF 500 L L Min Max 5.0 ns 5.0 ns 2.0 ns 2 12 ...
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... Waveform 4. Propagation Delay, Inverting Path CE U The shaded areas indicate when the input is permitted to change for predictable output performance. SF00738 Waveform 6. Data Set Up and Hold Times 9 Product specification 74F191 PLH t PHL SF00735 Up/Down to Ripple Clock Output ...
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... Jul 17 90% NEGATIVE V M PULSE 10% t THL ( TLH ( 90% POSITIVE V PULSE M 10% Input Pulse Definition INPUT PULSE REQUIREMENTS family amplitude of OUT 74F 3.0V 1.5V 10 Product specification 74F191 t AMP ( TLH ( THL ( f AMP ( ...
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... Philips Semiconductors Up/down binary counter with reset and ripple clock DIP16: plastic dual in-line package; 16 leads (300 mil) 1995 Jul 17 11 Product specification 74F191 SOT38-4 ...
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... Philips Semiconductors Up/down binary counter with reset and ripple clock SO16: plastic small outline package; 16 leads; body width 3.9 mm 1995 Jul 17 12 Product specification 74F191 SOT109-1 ...
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... Philips Semiconductors Up/down binary counter with reset and ripple clock 1995 Jul 17 NOTES 13 Product specification 74F191 ...
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... Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 Philips Semiconductors yyyy mmm dd [1] Copyright Philips Electronics North America Corporation 1998 print code Document order number: 14 Product specification 74F191 All rights reserved. Printed in U.S.A. Date of release: 10-98 9397-750-05093 ...