74F779 Philips, 74F779 Datasheet
74F779
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74F779 Summary of contents
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... Product specification IC15 Data Handbook Philips Semiconductors INTEGRATED CIRCUITS 1989 Sep 20 ...
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... See 74F579 for 20-pin version See 74F1779 for extended function version of the 74F799 DESCRIPTION The 74F779 is a fully synchronous 8-stage Up/Down Counter with multiplexed 3-State I/O ports for bus-oriented applications. All control functions (hold, count up, count down, synchronous load) are controlled by two mode pine (S0, S1). The device also features carry look-ahead for easy cascading ...
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... LL and S1 should never be Low voltage level at the same time in the hold mode only SF01261 3 Product specification 74F779 OPERATING MODE I/O0 to I/O7 in High impedance L X Flip-flop outputs appear on I/O lines H Parallel load all flip-flops X Hold (TC held High) ...
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... LOGIC DIAGRAM 11 S0 LOAD CONTROL DOWN I/O0 1 I/O1 2 I/O2 3 I/O3 5 I/O4 6 I/O5 7 I/O6 8 I/O7 14 CET =Pin 13 CC GND=Pin 4 1989 Sep DETAIL A DETAIL A DETAIL A DETAIL A DETAIL A DETAIL A DETAIL A DETAIL A CP TOGGLE DATA LOAD DETAIL A 4 Product specification 74F779 Q Q SF01262 ...
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... Low-level output current Low level output current Operating free-air temperature range amb 1989 Sep 20 PARAMETER TC I/On MIN 4.5 2.0 TC I/ Product specification 74F779 RATING UNIT –0.5 to +7.0 V –0.5 to +7.0 V – –0 +70 C –65 to +150 C LIMITS UNIT ...
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... 50pF 500 L L MIN TYP Waveform 1 125 145 4.5 7.0 Waveform 1 5.5 8.0 4.5 7.0 Waveform 1 4.5 7.0 3.0 4.5 Waveform 2 3.0 5.5 Waveform 4 2.5 4.5 Waveform 5 4.5 6.5 Waveform 4 1.0 3.0 Waveform 5 1.0 4.0 6 Product specification 74F779 LIMITS UNIT TYP MIN MAX NO TAG 2.5 V 2.7 3.4 V 2.4 V 2.7 3.3 V 0.30 0.50 V 0.35 0.50 V –0.73 –1 100 –0 –600 A –60 –150 mA 82 ...
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... I/On Waveform 4. 3-State Output Enable Time to High Level and Output Disable Time from High Level M SF01264 OE I/On Waveform 5. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level 7 Product specification 74F779 LIMITS +70 C amb V = +5V 10% UNIT 50pF, R ...
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... NEGATIVE PULSE 10% t THL ( TLH ( 90% POSITIVE V PULSE M 10% Input Pulse Definition INPUT PULSE REQUIREMENTS family V amplitude M of OUT 74F 3.0V 1.5V 8 Product specification 74F779 t AMP ( TLH ( THL ( f AMP ( rep. rate ...
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... Philips Semiconductors 8-bit bidirectional binary counter (3-State) DIP16: plastic dual in-line package; 16 leads (300 mil) 1989 Sep 20 9 Product specification 74F779 SOT38-4 ...
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... Philips Semiconductors 8-bit bidirectional binary counter (3-State) SO16: plastic small outline package; 16 leads; body width 7.5 mm 1989 Sep 20 10 Product specification 74F779 SOT162-1 ...
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... Philips Semiconductors 8-bit bidirectional binary counter (3-State) 1989 Sep 20 NOTES 11 Product specification 74F779 ...
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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: 12 Product specification 74F779 All rights reserved. Printed in U.S.A. Date of release: 10-98 9397-750-05179 ...