74HCT251D datasheet(6/7 Pages) PHILIPS

номер детали	74HCT251D

подробное описание детали	8-input multiplexer; 3-state

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производитель	PHILIPS [NXP Semiconductors]

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December 1990

6

Philips Semiconductors

Product speciﬁcation

8-input multiplexer; 3-state

74HC/HCT251

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see

“74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: standard

ICC category: MSI

Note to HCT types

The value of additional quiescent supply current (

∆I

CC) for a unit load of 1 is given in the family specifications.

To determine

∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

AC CHARACTERISTICS FOR HCT

GND = 0 V; tr = tf = 6 ns; CL = 50 pF

INPUT

UNIT LOAD COEFFICIENT

In

S0

S1,S2

OE

1.00

1.50

SYMBOL PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HCT

VCC

(V)

WAVEFORMS

+25

−40 to +85 −40 to +125

min.

typ.

max.

min. max. min.

max.

tPHL/ tPLH

propagation delay

In to Y

22

35

44

53

ns

4.5

Fig.6

tPHL/ tPLH

propagation delay

In to Y

22

35

44

53

ns

4.5

Fig.7

tPHL/ tPLH

propagation delay

Sn to Y

24

44

55

66

ns

4.5

Fig.6

tPHL/ tPLH

propagation delay

Sn to Y

25

44

55

66

ns

4.5

Fig.7

tPZH/ tPZL

3-state output enable time

OE to Y, Y

13

28

35

42

ns

4.5

Fig.7

tPHZ/ tPLZ

3-state output disable time

OE to Y, Y

14

28

35

42

ns

4.5

Fig.7

tTHL/ tTLH

output transition time

7

15

19

22

ns

4.5

Figs 6 and 7

Аналогичный номер детали - 74HCT251D

производитель	номер детали	датащи	подробное описание детали
Nexperia B.V. All right...	74HCT251D	263Kb / 16P	8-input multiplexer; 3-state Rev. 6 - 8 February 2021
	74HCT251D-Q100	268Kb / 17P	8-input multiplexer; 3-state
	74HCT251DB-Q100	268Kb / 17P	8-input multiplexer; 3-state

More results

Аналогичное описание - 74HCT251D

производитель	номер детали	датащи	подробное описание детали
Nexperia B.V. All right...	74HCT251	263Kb / 16P	8-input multiplexer; 3-state Rev. 6 - 8 February 2021
NXP Semiconductors	74LV251	116Kb / 12P	8-input multiplexer 3-State 1998 May 20
NXP Semiconductors	74ALS251	103Kb / 8P	8-input multiplexer 3-State 1991 Feb 08
Nexperia B.V. All right...	74HC251-Q100	268Kb / 17P	8-input multiplexer; 3-state
NXP Semiconductors	74F251A	46Kb / 5P	8-input multiplexer 3-State 1996 Jan 05
NXP Semiconductors	74HC_HCT251	177Kb / 20P	8-input multiplexer; 3-state Rev. 3-9 July 2013
List of Unclassifed Man...	74HC356	337Kb / 8P	8-INPUT MULTIPLEXER / RESISTER 3-STATE
AVG Semiconductors(HITE...	DV74ACT251	310Kb / 4P	8 Input Multiplexer with 3-State Outputs, 8 Input Digital Multiplexer
NXP Semiconductors	74HC356	79Kb / 13P	8-input multiplexer/register; 3-state December 1990
Motorola, Inc	SN54LS251	181Kb / 6P	8-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

More results

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