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74VHC540

Motorola
Part Number 74VHC540
Manufacturer Motorola
Description Octal Bus Buffer
Published Aug 5, 2015
Detailed Description MOTOROLA SEMICONDUCTOR TECHNICAL DATA Octal Bus Buffer Inverting The MC74VHC540 is an advanced high speed CMOS invertin...
Datasheet PDF File 74VHC540 PDF File

74VHC540
74VHC540

Overview
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Octal Bus Buffer Inverting The MC74VHC540 is an advanced high speed CMOS inverting octal bus buffer fabricated with silicon gate CMOS technology.
It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation.
The MC74VHC540 features inputs and outputs on opposite sides of the package and two AND–ed active–low output enables.
When either OE1 or OE2 are high, the terminal outputs are in the 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 = 3.
7ns (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 = 1.
2V (Max) • Pin and Function Compatible with Other Standard Logic Families • Latchup Performance Exceeds 300mA • ESD Performance: HBM > 2000V; Machine Model > 200V • Chip Complexity: 124 FETs or 31 Equivalent Gates DATA INPUTS OUTPUT ENABLES 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 OE1 1 OE2 19 LOGIC DIAGRAM 18 Y1 17 Y2 16 Y3 15 Y4 14 Y5 INVERTING OUTPUTS 13 Y6 12 Y7 11 Y8 MC74VHC540 DW SUFFIX 20–LEAD SOIC PACKAGE CASE 751D–04 DT SUFFIX 20–LEAD TSSOP PACKAGE CASE 948E–02 M SUFFIX 20–LEAD SOIC EIAJ PACKAGE CASE 967–01 ORDERING INFORMATION MC74VHCXXXDW SOIC MC74VHCXXXDT TSSOP MC74VHCXXXM SOIC EIAJ PIN ASSIGNMENT OE1 1 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 GND 10 20 VCC 19 OE2 18 Y1 17 Y2 16 Y3 15 Y4 14 Y5 13 Y6 12 Y7 11 Y8 FUNCTION TABLE Inputs OE1 OE2 A LLL L LH HXX XHX Output Y H L Z Z 6/97 © Motorola, Inc.
1997 1 REV 0 MC74VHC540 ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMAXIMUM RATINGS* ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎSymbol Parameter Value Unit ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ...


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