CD74HC154EN datasheet(1/6 Pages) TI

部件名	CD74HC154EN

功能描述	High Speed CMOS Logic 4-to-16 Line Decoder/Demultiplexer

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制造商	TI [Texas Instruments]

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Data sheet acquired from Harris Semiconductor

SCHS152

Features

• Two Enable Inputs to Facilitate Demultiplexing and

Cascading Functions

• Fanout (Over Temperature Range)

- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

• Wide Operating Temperature Range . . . -55oC to 125oC

• Balanced Propagation Delay and Transition Times

• Signiﬁcant Power Reduction Compared to LSTTL

Logic ICs

• HC Types

- 2V to 6V Operation

- High Noise Immunity: NIL = 30%, NIH = 30%of VCC at

VCC = 5V

• HCT Types

- 4.5V to 5.5V Operation

- Direct LSTTL Input Logic Compatibility,

VIL= 0.8V (Max), VIH = 2V (Min)

- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH

Description

The Harris CD74HC154 and CD74HCT154 are 4-to-16 line

decoders/demultiplexers with two enable inputs, E1 and E2.

A High on either enable input forces the output into the High

state. The demultiplexing function is performed by using the

four input lines, A0 to A3, to select the output lines Y0 to

Y15, and using one enable as the data input while holding

the other enable low.

Pinout

CD74HC154, CD74HCT154

(PDIP, SOIC)

TOP VIEW

Ordering Information

PART NUMBER

TEMP. RANGE (oC)

PACKAGE

PKG.

NO.

CD74HC154E

-55 to 125

24 Ld PDIP

E24.6

CD74HCT154E

-55 to 125

24 Ld PDIP

E24.6

CD74HC154EN

-55 to 125

24 Ld PDIP

E24.3

CD74HC154EN

-55 to 125

24 Ld PDIP

E24.3

CD74HC154M

-55 to 125

24 Ld SOIC

M24.3

CD74HCT154M

-55 to 125

24 Ld SOIC

M24.3

NOTES:

1. When ordering, use the entire part number. Add the sufﬁx 96 to

obtain the variant in the tape and reel.

2. Wafer or d ie for this part number is available which meets all

electrical specifications. Please contact your local sales office or

Harris customer service for ordering information.

1

2

3

4

5

6

7

8

9

10

11

12

Y0

Y1

Y2

Y3

Y4

Y5

Y6

Y7

Y8

Y9

Y10

GND

16

17

18

19

20

21

22

23

24

15

14

13

VCC

A1

A2

A3

E2

Y15

Y13

Y12

Y11

A0

E1

Y14

September 1997

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

Copyright

CD74HC154,

CD74HCT154

High Speed CMOS Logic

4-to-16 Line Decoder/Demultiplexer

File Number

1657.1

[ /Title

(CD74

HC154

,

CD74

HCT15

4)

/Sub-

ject

(High

Speed

CMOS

Logic

4-to-16

Line

Decod

er/Dem

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