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MC74AC153

DUAL 4-INPUT MULTIPLEXER

Motorola => Freescale 

MC74AC153 MC74ACT153

FUNCTIONAL DESCRIPTION

The MC74AC153/74ACT153 is a dual 4-input multiplexer.

It can select two bits of data from up to four sources under the

control of the common Select inputs (S0, S1). The two 4-input

multiplexer circuits have individual active-LOW Enables

(Ea,Eb) which can be used to strobe the outputs

independently. When the Enables (Ea, Eb) are HIGH, the

corresponding outputs (Za, Zb) are forced LOW. The

MC74AC153/74ACT153 is the logic implementation of a

2-pole, 4-position switch, where the position of the switch is

determined by the logic levels supplied to the two Select

inputs. The logic equations for the outputs are shown below.

Za = Ea•(I0a•S1•S0+I1a•S1•S0+I2a•S1•S0+I3a•S1•S0)

Zb = Eb•(I0b•S1•S0+I1b•S1•S0+I2b•S1•S0+I3b•S1•S0)

LOGIC DIAGRAM

Ea I0a

I1a

I2a

I3a

S1

S0

I0b

I1b

I2b

I3b Eb

Za

Zb

Please note that this diagram is provided only for the understanding of logic

operations and should not be used to estimate propagation delays.

MAXIMUM RATINGS*

Symbol

Parameter

Value

Unit

VCC

Vin

Vout

Iin

Iout

ICC

Tstg

DC Supply Voltage (Referenced to GND)

DC Input Voltage (Referenced to GND)

DC Output Voltage (Referenced to GND)

DC Input Current, per Pin

DC Output Sink/Source Current, per Pin

DC VCC or GND Current per Output Pin

Storage Temperature

–0.5 to +7.0

V

–0.5 to VCC +0.5

V

–0.5 to VCC +0.5

V

±20

mA

±50

mA

±50

mA

–65 to +150

°C

* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended

Operating Conditions.

FACT DATA

5-2

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