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74F132 Arkusz danych(PDF) 2 Page - NXP Semiconductors |
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74F132 Arkusz danych(HTML) 2 Page - NXP Semiconductors |
2 / 8 page Philips Semiconductors Product specification 74F132 Quad 2-input NAND Schmitt trigger 2 1991 Jun 26 853–0342 03094 DESCRIPTION The 74F132 contains four 2-input NAND gates 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 NAND gates. Each circuit contains a 2-input Schmitt trigger followed by a Darlington level shifter and a phase splitter driving a TTL totem-pole output. The Scmitt trigger uses positive feedback to effectively speed-up slow input transitions and provide different input threshold voltages for positive and negative-going transitions. This hysteresis between the positive-going and negative-going input threshold (typically 800mV) is determined by resistor ratios and is essentially insensitive to temperature and supply voltage variations. As long as three inputs remain at a more positive voltage than VT+MAX, the gate will respond in the transition of the other input as shown in Waveform 1. PIN CONFIGURATION 14 13 12 11 10 7 6 5 4 3 2 1 Q1 VCC D2b D2a Q2 Q3 D3b D3a D0a D1b D0b Q0 D1a 9 GND SF00710 8 TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT (TOTAL) 74F132 6.3ns 13mA ORDERING INFORMATION DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C PKG DWG # 14-pin plastic DIP N74F132N SOT27-1 14-pin plastic SO N74F132D SOT108-1 INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION 74F (U.L.) HIGH/LOW LOAD VALUE HIGH/LOW Dna, Dnb Data inputs 1.0/1.0 20 µA/0.6mA Qn Data output 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 D0a D0b D1a D2a D2b D3a D3b D1b Q0 Q1 Q2 Q3 36 8 11 12 4 5 9 10 12 13 VCC = Pin 14 GND = Pin 7 SF00711 IEC/IEEE SYMBOL 1 2 4 5 9 10 12 13 & 3 6 8 11 SF00712 |
Podobny numer części - 74F132 |
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Podobny opis - 74F132 |
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