HC125 datasheet(1/7 Pages) TI

Part #	HC125

Description	High Speed CMOS Logic Quad Buffer, Three-State

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Manufacturer	TI [Texas Instruments]

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Data sheet acquired from Harris Semiconductor

SCHS143

Features

• Three-State Outputs

• Separate Output Enable Inputs

• 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 CD74HC125 and CD74HCT125 contain 4 inde-

pendent three-state buffers, each having its own output

enable input, which when “HIGH” puts the output in the high

impedance state

Pinout

CD74HC125, CD74HCT125

(PDIP, SOIC)

TOP VIEW

Ordering Information

PART NUMBER

TEMP. RANGE

(oC)

PACKAGE

PKG.

NO.

CD74HC125E

-55 to 125

14 Ld PDIP

E14.3

CD74HCT125E

-55 to 125

14 Ld PDIP

E14.3

CD74HC125M

-55 to 125

14 Ld SOIC

M14.15

CD74HCT125M

-55 to 125

14 Ld SOIC

M14.15

NOTES:

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

obtain the variant in the tape and reel.

2. Wafer and die for this part number is available which meets all

electrical specifications. Please contact your local sales office or

Harris customer service for ordering information.

1OE

1A

1Y

2OE

2A

2Y

GND

VCC

4OE

4A

4Y

3OE

3A

3Y

1

2

3

4

5

6

7

14

13

12

11

10

9

8

November 1997

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

Copyright

CD74HC125,

CD74HCT125

High Speed CMOS Logic

Quad Buffer, Three-State

File Number

1771.1

[ /Title

(CD74

HC125

,

CD74

HCT12

5)

/Sub-

ject

(High

Speed

CMOS

Logic

Quad

Buffer,

Three-

State)

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