M74HC253 datasheet(1/11 Pages) STMICROELECTRONICS

Part #	M74HC253

Description	DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT

PDF	11 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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July 2001

s

HIGH SPEED:

tPD = 16ns (TYP.) at VCC = 6V

s

LOW POWER DISSIPATION:

ICC = 4µA(MAX.) at TA=25°C

s

HIGH NOISE IMMUNITY:

VNIH = VNIL = 28 % VCC (MIN.)

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 4mA (MIN)

s

BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

s

WIDE OPERATING VOLTAGE RANGE:

VCC (OPR) = 2V to 6V

s

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 253

DESCRIPTION

The M74HC253 is an high speed CMOS DUAL 4

CHANNEL MULTIPLEXER fabricated with silicon

gate C2MOS technology.

Each of these data (1C0-1C3, 2C0-2C3) is

selected by the two address inputs A and B.

Separate strobe inputs (1G, 2G) are provided for

each of the two four-line sections. The strobe input

(nG) can be used to inhibit the data output; the

output of M74HC253 is a high impedance while

the strobe input is held high.

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

M74HC253

DUAL 4 CHANNEL MULTIPLEXER 3 STATE OUTPUT

PIN CONNECTION AND IEC LOGIC SYMBOLS

ORDER CODES

PACKAGE

TUBE

T & R

DIP

M74HC253B1R

SOP

M74HC253M1R

M74HC253RM13TR

TSSOP

M74HC253TTR

TSSOP

DIP

SOP

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