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MC74VHCT374A 데이터시트(PDF) 1 Page - ON Semiconductor |
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MC74VHCT374A 데이터시트(HTML) 1 Page - ON Semiconductor |
1 / 6 page MOTOROLA SEMICONDUCTOR TECHNICAL DATA 1 REV 0 © Motorola, Inc. 1997 6/97 Octal D-Type Flip-Flop with 3-State Output The MC74VHCT374A is an advanced high speed CMOS octal flip–flop with 3–state output fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. This 8–bit D–type flip–flop is controlled by a clock input and an output enable input. When the output enable input is high, the eight outputs are in a high impedance state. The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output. The VHCT inputs are compatible with TTL levels. This device can be used as a level converter for interfacing 3.3V to 5.0V, because it has full 5V CMOS level output swings. The VHCT374A input and output (when disabled) structures provide protection when voltages between 0V and 5.5V are applied, regardless of the supply voltage. These input and output structures help prevent device destruction caused by supply voltage – input/output voltage mismatch, battery backup, hot insertion, etc. • High Speed: fmax = 140MHz (Typ) at VCC = 5V • Low Power Dissipation: ICC = 4µA (Max) at TA = 25°C • TTL–Compatible Inputs: VIL = 0.8V; VIH = 2.0V • Power Down Protection Provided on Inputs and Outputs • Balanced Propagation Delays • Designed for 4.5V to 5.5V Operating Range • Low Noise: VOLP = 1.6V (Max) • Pin and Function Compatible with Other Standard Logic Families • Latchup Performance Exceeds 300mA • ESD Performance: HBM > 2000V; Machine Model > 200V • Chip Complexity: 276 FETs or 69 Equivalent Gates LOGIC DIAGRAM DATA INPUTS D0 D1 D2 D3 D4 D5 D6 D7 18 17 14 13 8 7 4 3 1 OE 19 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 16 15 12 9 6 5 2 NONINVERTING OUTPUTS 11 CP OE CP Q L L L H L, H, X H L No Change Z INPUTS OUTPUT FUNCTION TABLE D H L X X MC74VHCT374A DW SUFFIX 20–LEAD SOIC PACKAGE CASE 751D–04 ORDERING INFORMATION MC74VHCTXXXADW MC74VHCTXXXADT MC74VHCTXXXAM SOIC TSSOP SOIC EIAJ DT SUFFIX 20–LEAD TSSOP PACKAGE CASE 948E–02 PIN ASSIGNMENT Q2 D1 D0 Q0 OE GND Q3 D3 D2 Q1 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 Q6 D6 D7 Q7 VCC CP Q4 D4 D5 Q5 M SUFFIX 20–LEAD SOIC EIAJ PACKAGE CASE 967–01 |
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