CD74HCT251M datasheet(4/7 Pages) TI

No. de pieza	CD74HCT251M

Descripción Electrónicos	High Speed CMOS Logic 8-Input Multiplexer; Three-State

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Fabricante Electrónico	TI [Texas Instruments]

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4

Input Leakage

Current

II

VCC or

GND

-6

-

±0.1

-

±1-

±1

µA

Quiescent Device

Current

ICC

VCC or

GND

0

6

-

8

-

80

-

160

µA

Three-State Leakage

Current

-VIL or VIH

VO =

VCC or

GND

6-

-

±0.5

-

±5.0

-

±10

µA

HCT TYPES

High Level Input

Voltage

VIH

-

4.5 to

5.5

2-

-

2

-

2

-

V

Low Level Input

Voltage

VIL

-

4.5 to

5.5

-

0.8

-

0.8

-

0.8

V

High Level Output

Voltage

CMOS Loads

VOH

VIH or VIL

-0.02

4.5

4.4

-

4.4

-

4.4

-

V

High Level Output

Voltage

TTL Loads

-4

4.5

3.98

-

3.84

-

3.7

-

V

Low Level Output

Voltage

CMOS Loads

VOL

VIH or VIL

0.02

4.5

-

0.1

-

0.1

-

0.1

V

Low Level Output

Voltage

TTL Loads

4

4.5

-

0.26

-

0.33

-

0.4

V

Input Leakage

Current

II

VCC and

GND

0

5.5

-

±0.1

-

±1-

±1

µA

Quiescent Device

Current

ICC

VCC or

GND

0

5.5

-

8

-

80

-

160

µA

Three-State Leakage

Current

-VIL or VIH

VO =

VCC or

GND

6-

-

±0.5

-

±5.0

-

±10

µA

Additional Quiescent

Device Current Per

Input Pin: 1 Unit Load

∆ICC

VCC

-2.1

-

4.5 to

5.5

-

100

360

-

450

-

490

µA

NOTE: For dual-supply systems theoretical worst case (VI = 2.4V, VCC = 5.5V) speciﬁcation is 1.8mA.

DC Electrical Speciﬁcations (Continued)

PARAMETER

SYMBOL

TEST

CONDITIONS

VCC

(V)

25oC

-40oC TO 85oC -55oCTO125oC

UNITS

VI (V)

IO (mA)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

HCT Input Loading Table

INPUT

UNIT LOADS

S0, S1, S2

0.55

I0 - I7

0.5

OE

2.65

NOTE: Unit Load is

∆ICC limit speciﬁed in DC Electrical Table, e.g.,

360

µA max at 25oC.

CD74HC251, CD74HCT251

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