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74F51 Scheda tecnica(PDF) 2 Page - NXP Semiconductors |
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74F51 Scheda tecnica(HTML) 2 Page - NXP Semiconductors |
2 / 8 page Philips Semiconductors Product specification 74F51 Dual 2-wide 2-input, 2-wide 3-input AND-OR-invert gate 2 March 3, 1989 853–0054 95962 TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT (TOTAL) 74F51 3.0ns 3.5mA ORDERING INFORMATION DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C PKG DWG # 14-pin plastic DIP N74F51N SOT27-1 14-pin plastic SO N74F51D SOT108-1 PIN CONFIGURATION 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND VCC D0e D0d Q0 D0f D0c D0b D0a D1a Q1 D1b D1c D1d SF00085 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION 74F (U.L.) HIGH/LOW LOAD VALUE HIGH/LOW Dna, Dnb, Dnc, Dnd, Dne, Dnf Data inputs 1.0/1.0 20 µA/0.6mA Q0, Q1 Data outputs 50/33 1.0mA/20mA NOTE: One (1.0) FAST unit load is defined as: 20 µA in the High state and 0.6mA in the Low state. LOGIC SYMBOL D1a D0f D0b D0c D0d D1b D1c D0e Q0 Q1 86 12 13 9 10 11 2 3 4 VCC = Pin 14 GND = Pin 7 SF00086 D0a 1 D1d 5 IEC/IEEE SYMBOL SF00087 1 8 6 9 10 11 13 12 1 2 3 4 5 1 & & & & LOGIC DIAGRAM VCC = Pin 14 GND = Pin 7 SF00088 1 12 13 2 3 D0a D0b D0c D1a D1b Q0 8 9 10 11 D0d D0e D0f 4 5 D1c D1d Q1 6 FUNCTION TABLE FOR 3-INPUT GATES INPUTS OUTPUT D0a D0b D0c D0d D0e D0f Q0 H H H X X X L X X X H H H L All other combinations H NOTES: H = High voltage level L = Low voltage level X = Don’t care FUNCTION TABLE FOR 2-INPUT GATES INPUTS OUTPUT D1a D1b D1c D1d Q1 H H X X L X X H H L All other combinations H NOTES: H = High voltage level L = Low voltage level X = Don’t care |
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