M74HC151 datasheet(1/11 Pages) STMICROELECTRONICS

Part #	M74HC151

Description	8 CHANNEL MULTIPLEXER

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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M54HC151

M74HC151

February 1993

8 CHANNEL MULTIPLEXER

B1R

(Plastic Package)

ORDER CODES :

M54HC151F1R

M74HC151M1R

M74HC151B1R

M74HC151C1R

F1R

(Ceramic Package)

M1R

(Micro Package)

C1R

(Chip Carrier)

PIN CONNECTIONS (top view)

NC =

No Internal

Connection

INPUT AND OUTPUT EQUIVALENT CIRCUIT

DESCRIPTION

.

HIGH SPEED

tPD = 15 ns (TYP.) AT VCC =5 V

.

LOW POWER DISSIPATION

ICC =4

µA (MAX.) AT TA =25 °C

.

HIGH NOISE IMMUNITY

VNIH =VNIL =28 % VCC (MIN.)

.

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

.

SYMMETRICAL OUTPUT IMPEDANCE

IOH =IOL = 4 mA (MIN.)

.

BALANCED PROPAGATION DELAYS

tPLH =tPHL

.

WIDE OPERATING VOLTAGE RANGE

VCC (OPR) = 2 V TO 6 V

.

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS151

The M54/74HC151 is a high speed CMOS 8 CHAN-

NEL MULTIPLEXER fabricated in silicon gate

C

2MOS technology. It has the same high speed per-

formance of LSTTL combined with true CMOS low

power consumption. It provides, in one package, the

ability to select one bit of data from up to eight

sources. The HC151 can be used as a universal

function generator to generate any logic function of

four variables. Outputs Y and W are complementary

selection depends on the address inputs A, B and

C. The strobe input must be taken low to enable this

device, when the strobe is high W output is forced

high and consequently Y output goes low. All inputs

are equipped with protection circuits against static

discharge and transient excess voltage.

1/11

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