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MC74VHC540DT-MC74VHC540M
Octal Bus Buffer
SEMICONDUCTOR TECHNICAL DATA -
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
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 GatesY1A1Y2A2Y3A3Y4A4Y5A5Y6A6Y7A7Y8A8
OE1
OE2
OUTPUT
ENABLES
DATA
INPUTS
INVERTING
OUTPUTS
LOGIC DIAGRAM
FUNCTION TABLE
