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MC74VHC373 Datasheet(PDF) 1 Page - Motorola, Inc |
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MC74VHC373 Datasheet(HTML) 1 Page - Motorola, Inc |
1 / 7 page MOTOROLA SEMICONDUCTOR TECHNICAL DATA 1 REV 1 © Motorola, Inc. 1997 6/97 Octal D-Type Latch with 3-State Output The MC74VHC373 is an advanced high speed CMOS octal latch 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 latch is controlled by a latch enable 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 inputs tolerate voltages up to 7V, allowing the interface of 5V systems to 3V systems. • High Speed: tPD = 5.0ns (Typ) at VCC = 5V • Low Power Dissipation: ICC = 4µA (Max) at TA = 25°C • High Noise Immunity: VNIH = VNIL = 28% VCC • Power Down Protection Provided on Inputs • Balanced Propagation Delays • Designed for 2V to 5.5V Operating Range • Low Noise: VOLP = 0.9V (Max) • Pin and Function Compatible with Other Standard Logic Families • Latchup Performance Exceeds 300mA • ESD Performance: HBM > 2000V; Machine Model > 200V • Chip Complexity: 186 FETs or 46.5 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 LE OE LE Q L L L H H H L X H L No Change Z INPUTS OUTPUT FUNCTION TABLE D H L X X MC74VHC373 DW SUFFIX 20–LEAD SOIC PACKAGE CASE 751D–04 ORDERING INFORMATION MC74VHCXXXDW MC74VHCXXXDT MC74VHCXXXM 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 LE Q4 D4 D5 Q5 M SUFFIX 20–LEAD SOIC EIAJ PACKAGE CASE 967–01 |
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