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74F14 Fiches technique(PDF) 2 Page - NXP Semiconductors |
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74F14 Fiches technique(HTML) 2 Page - NXP Semiconductors |
2 / 8 page Philips Semiconductors Product specification 74F14 Hex inverter Schmitt trigger 2 November 26, 1990 853 0331 01123 FEATURE • Industrial temperature range available (–40°C to +85°C) TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT (TOTAL) 74F14 5.0ns 18mA DESCRIPTION The 74F14 contains six logic inverters which accept standard TTL input signals and provide standard TTL output levels. They are capable of transforming slowly changing input signals into sharply defined, jitter free output signals. In addition, they have greater noise margin than conventional inverters. Each circuit contains a Schmitt trigger followed by a Darlington level shifter and a phase splitter driving a TTL totem-pole output. The Schmitt trigger uses positive feedback to effectively speed-up slow input transitions, and provide different input threshold voltages for positive-going and negative-going input threshold (typically 800mV) is determined internally by resistor ratios and is insensitive to temperature and supply voltage variations. PIN CONFIGURATION 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND VCC Q4 D3 Q3 D4 D5 Q5 D0 Q0 Q2 D1 Q1 D2 SF00028 ORDERING INFORMATION ORDER CODE DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C INDUSTRIAL RANGE VCC = 5V ±10%, Tamb = –40°C to +85°C PKG DWG # 14-pin plastic DIP N74F14N I74F14N SOT27-1 14-pin plastic SO N74F14D I74F14D SOT108-1 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION 74F (U.L.) HIGH/LOW LOAD VALUE HIGH/LOW Dn Data inputs 1.0/1.0 20 µA/0.6mA Qn Data output 50/33 1.0mA/20mA NOTE: 1 One (1.0) FAST unit load is defined as: 20 µA in the High state and 0.6mA in the Low state. LOGIC DIAGRAM VCC = Pin 14 GND = Pin 7 SF00029 2 4 6 8 10 12 Q0 Q1 Q2 Q3 Q4 Q5 1 3 5 9 11 13 D0 D1 D2 D3 D4 D5 FUNCTION TABLE INPUTS OUTPUT Dn Qn L H H L NOTES: H = High voltage level L = Low voltage level |
Numéro de pièce similaire - 74F14 |
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Description similaire - 74F14 |
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