SN74BCT756

OCTAL BUFFER/DRIVER

WITH OPEN-COLLECTOR OUTPUTS

SCBS056B – OCTOBER 1990 – REVISED JULY 1997

3

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = –18 mA

–1.2

V

IOH

VCC = 4.5 V,

VOH = 5.5 V

0.1

mA

VOL

VCC = 4.5 V,

IOL = 64 mA

0.42

0.55

V

II

VCC = 5.5 V,

VI = 7 V

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

µA

IIL

VCC = 5.5 V,

VI = 0.5 V

–1

mA

Outputs high

21

33

ICC

VCC = 5.5 V,

Outputs open

Outputs low

55

86

mA

OE disable

6

10

Ci

VCC = 5 V,

VI = 2.5 V or 0.5 V

6

pF

Co

VCC = 5 V,

VI = 2.5 V or 0.5 V

10

pF

† All typical values are at VCC = 5 V, TA = 25°C.

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

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = 25°C

VCC = 4.5 to 5.5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = MIN to MAX‡

UNIT

MIN

TYP

MAX

MIN

MAX

tPLH

A

Y

6.2

8.5

10.5

6.2

11.3

ns

tPHL

A

Y

0.5

2

4.1

0.5

4.2

ns

tPLH

OE

Y

8.2

12.5

14.8

8.2

16.5

ns

tPHL

OE

Y

3.4

6.8

9.2

3.4

10.3

ns

‡ For conditions as MIN or MAX, use the appropriate value specified under recommended operating conditions.