SN74BCT757

OCTAL BUFFER/DRIVER

WITH OPEN-COLLECTOR OUTPUTS

SCBS041D − NOVEMBER 1989 − REVISED NOVEMBER 1993

2−3

POST OFFICE BOX 655303

POST OFFICE BOX 1443

recommended operating conditions (see Note 1)

MIN

NOM

MAX

UNIT

Supply voltage

4.5

5

5.5

V

High-level input voltage

2

V

Low-level input voltage

0.8

V

High-level output voltage

5.5

V

Input clamp current

−18

mA

Low-level output current

64

mA

Operating free-air temperature

0

70

°C

NOTE 1: Unused or floating inputs must be held high or low.

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

−1.2

V

0.42

0.55

V

0.1

mA

20

μA

−1

mA

0.1

mA

Outputs high

34

Outputs open

Outputs low

77

mA

5.5 V,

Outputs open

OE and OE inactive

10

mA

6

pF

4

pF

switching characteristics over recommended ranges of supply voltage and operating free-air

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

MIN

MAX

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

UNIT

A

Y

6.9

8.3

9.6

6.6

10.1

ns

A

Y

2.4

4.2

6

2

6.6

ns

2OE

Y

11

14.8

17.9

10.8

19.7

ns

2OE

Y

2.9

4.6

6.2

2.6

6.9

ns

1OE

Y

11.4

13.9

16.1

10

18

ns

1OE

Y

4.4

6.1

7.8

4

8.5

ns

NOTE 2: Load circuits and voltage waveforms are shown in Section 1.