SN54BCT125A, SN74BCT125A

QUADRUPLE BUS BUFFER GATES

WITH 3-STATE OUTPUTS

SCBS032F – SEPTEMBER 1988 – REVISED MARCH 2003

4

POST OFFICE BOX 655303

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = 25°C

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

Ω,

R2 = 500

Ω,

TA = MIN to MAX§

UNIT

’BCT125A

SN54BCT125A

SN74BCT125A

MIN

TYP

MAX

MIN

MAX

MIN

MAX

tPLH

A

Y

1.6

3.5

5.2

1.6

6

1.6

5.7

ns

tPHL

A

Y

2.7

5

6.9

2.7

8

2.7

7.7

ns

tPZH

OE

Y

3.4

6.7

9

3.4

11.1

3.4

10.3

ns

tPZL

OE

Y

5

8.2

10.4

5

12.8

5

11.7

ns

tPHZ

OE

Y

3

5.8

7.4

3

9.4

3

8.9

ns

tPLZ

OE

Y

2.8

5.5

7.3

2.8

9.9

2.8

8.6

ns

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