M74HC251B1R. datasheet(1/11 Pages) STMICROELECTRONICS

Teilenummer	M74HC251B1R.

Bauteilbeschribung	8-CHANNEL MULTIPLEXER (3-STATE)

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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July 2001

s

HIGH SPEED :

tPD = 17 ns (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 251

DESCRIPTION

The

M74HC251

is

an

high

speed

CMOS

8-CHANNEL

MULTIPLEXER

(3-STATE)

fabricated with silicon gate C2MOS technology.

This Multiplexer features both true (Y) and

complement (W) outputs as well as STROBE

input. When the STROBE is high, both outputs are

in the high impedance state. When enabled,

address information on the data select inputs

determines which data input is routed to Y and W.

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

M74HC251

8-CHANNEL MULTIPLEXER (3-STATE)

PIN CONNECTION AND IEC LOGIC SYMBOLS

ORDER CODES

PACKAGE

TUBE

T & R

DIP

M74HC251B1R

SOP

M74HC251M1R

M74HC251RM13TR

TSSOP

M74HC251TTR

TSSOP

DIP

SOP

Ähnliche Beschreibung - M74HC251B1R.

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
NXP Semiconductors	74ALS251	103Kb / 8P	8-input multiplexer 3-State 1991 Feb 08
	74HC251	53Kb / 7P	8-input multiplexer; 3-state December 1990
	74LV251	116Kb / 12P	8-input multiplexer 3-State 1998 May 20
STMicroelectronics	M54HC354	264Kb / 12P	8 CHANNEL MULTIPLEXER/REGISTER 3 STATE Apr-1993
Fairchild Semiconductor	MM74HC251	74Kb / 7P	8-Channel 3-STATE Multiplexer
Toshiba Semiconductor	TC74HC251AP	264Kb / 6P	8 CHANNEL MULTIPLEXER (3 STATE)
Toshiba Semiconductor	TC74HC251AP	309Kb / 9P	8-Channel Multiplexer (3-state)
STMicroelectronics	M54HC251	257Kb / 10P	RAD-HARD 8-CHANNEL MULTIPLEXER (3-STATE) Apr-2004
Nexperia B.V. All right...	74HC251-Q100	268Kb / 17P	8-input multiplexer; 3-state
Nexperia B.V. All right...	74HCT251	263Kb / 16P	8-input multiplexer; 3-state Rev. 6 - 8 February 2021

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