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74F3037 데이터시트(PDF) 2 Page - NXP Semiconductors |
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2 / 8 page Philips Semiconductors Product specification 74F3037 Quad 2-input NAND 30 Ω driver 2 February 9, 1990 853 0021 98744 FEATURES • 30Ω line driver • 67mA output drive capability in the high state • High speed • Facilitates incident wave switching • 3nh lead inductance each on V CC and GND when both side pins are used • 160mA output drive capability in the low state • Industrial temperature range available (–40°C to +85°C) DESCRIPTION The 74F3037 is a high current line driver composed of four 2–input NAND gates. It has been designed to deal with the transmission line effects of PC boards which appear when fast edge rates are used. The drive capability of the 74F3037 is 67mA source and 160mA sink with a VCC as low as 4.5V. This guarantees incident wave switching with VOH not less than 2.0V and VOL not more than 0.8mA while driving impedances as low as 30 ohms. This is applicable with any combination of outputs using continuous duty. The propagation delay of the part is minimally affected by reflections when terminated only by the TTL inputs of other devices. Performances may be improved by full or partial line termination. TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT( TOTAL) 74F3037 2.0ns 16mA ORDERING INFORMATION ORDER CODE COMMERCIAL RANGE INDUSTRIAL RANGE DESCRIPTION VCC = 5V ±10%, VCC = 5V ±10%, PKG DWG # Tamb = 0°C to +70°C Tamb = –40°C to +85°C 16–pin plastic DIP N74F3037N I74F3037N SOT38-4 16–pin plastic SOL N74F3037D I74F3037D SOT162-1 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 3350/266 67mA/160mA Note to input and output loading and fan out table One (1.0) FAST unit load is defined as: 20 µA in the high state and 0.6mA in the low state. LOGIC DIAGRAM D0a D0b D1a D1b D2a Q0 D2b D3a D3b Q1 Q2 Q3 VCC = Pin 12,13 GND = Pin 4, 5 SF00569 3 6 9 16 1 2 7 8 10 11 14 15 FUNCTION TABLE INPUTS OUTPUT Dna Dnb Qn L L H L H H H L H H H L Notes to function table H = High voltage level L = Low voltage level |
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