MC74VHCT139A - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MC74VHCT139A
Manufacturer

ON Semiconductor
ChipWorker Part#

CW443806010
RoHS

Lead free / RoHS Compliant
Description

Dual 2-to-4 Decoder/Demultiplexer
Documentation

Datasheet

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MC74VHCT139A Specifications

Attribute	Attribute Value

Part Number	MC74VHCT139A
Manufacturer	ON Semiconductor
ChipWorker Part#	CW443806010
Documentation	Datasheet
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RoHS	RoHS Compliant

Product Description

The MC74VHCT139A is an advanced high speed CMOS 2-to-4 decoder/ demultiplexer fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. When the device is enabled (Ebar = low), it can be used for gating or as a data input for demultiplexing operations. When the enable input is held high, all four outputs are fixed high, independent of other inputs. The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output. The device output is compatible with TTL-type input thresholds and the output has a full 5 V CMOS level output swing. The input protection circuitry on this device allows overvoltage tolerance on the input, allowing the device to be used as a logic-level translator from 3.0 V CMOS logic to 5.0 V CMOS logic, or from 1.8 V CMOS logic to 3.0 V CMOS logic while operating at the high-voltage power supply. The MC74VHCT139A input structure provides protection when voltages up to 7 V are applied, regardless of the supply voltage. This allows the MC74VHCT139A to be used to interface 5 V circuits to 3 V circuits. The output structures also provide protection when V = 0 V. These input and output structures help prevent device destruction caused by supply voltage input/output voltage mismatch, battery backup, hot insertion, etc.
Features
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High Speed: tPD = 5.0ns (Typ) at VCC = 5V
Low Power Dissipation: ICC = 4mA (Max) at TA = 25°C
TTL-Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V
Power Down Protection Provided on Inputs and Outputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: VOLP = 0.8 V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
Chip Complexity: 100 FETs or 25 Equivalent Gates
Pb-Free Packages are Available*

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