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MC74HC157ADT-MC74HC157AF-MC74HC157AFL1-MC74HC157AFL2-MC74HC157AFR1 Fast Delivery,Good Price
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MC74HC157ADTONN/a7avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFMOTN/a1602avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFL1MOTOROLAN/a700avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFL2MOTN/a1587avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFR1N/a1000avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFR2N/a2000avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFR1MOTN/a991avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFR2MOTN/a2002avaiQuad 2-Input Data Selectors/Multiplexers
MC74HC157AFR2ONN/a49avaiQuad 2-Input Data Selectors/Multiplexers


MC74HC157AFR2 ,Quad 2-Input Data Selectors/MultiplexersELECTRICAL CHARACTERISTICS (C = 50 pF, Input t = t = 6.0 ns)L r fGuaranteed LimitÎÎV – 55 toÎ CCÎÎÎ ..
MC74HC157AFR2 ,Quad 2-Input Data Selectors/MultiplexersELECTRICAL CHARACTERISTICS (C = 50 pF, Input t = t = 6.0 ns)L r fGuaranteed LimitÎÎV – 55 toÎ CCÎÎÎ ..
MC74HC157AFR2 ,Quad 2-Input Data Selectors/MultiplexersELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)ÎÎÎGuaranteed LimitÎV – 55 toCCV 25* CSymbol ..
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MC74HC157ADT-MC74HC157AF-MC74HC157AFL1-MC74HC157AFL2-MC74HC157AFR1-MC74HC157AFR2
Quad 2-Input Data Selectors/Multiplexers
----High–Performance Silicon–Gate CMOS
The MC74HC157A is identical in pinout to the LS157. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
This device routes 2 nibbles (A or B) to a single port (Y) as
determined by the Select input. The data is presented at the outputs in
noninverted form. A high level on the Output Enable input sets all four
Y outputs to a low level. Output Drive Capability: 10 LSTTL Loads Outputs Directly Interface to CMOS, NMOS, and TTL Operating V oltage Range: 2.0 to 6.0 V Low Input Current: 1.0 μA High Noise Immunity Characteristic of CMOS Devices In Compliance with the Requirements Defined by JEDEC Standard
No. 7A Chip Complexity: 82 FETs or 20.5 Equivalent Gates
LOGIC DIAGRAM

SELECT
OUTPUT
ENABLE
DATA
OUTPUTS
NIBBLE
A INPUTS
NIBBLE
B INPUTS
PIN 16 = VCC
PIN 8 = GND
FUNCTION TABLE

X = don’t care
A0 – A3, B0 – B3 = the levels of the
respective Data–Word Inputs.
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