SN54ABT620, SN74ABT620

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS113D – FEBRUARY 1991 – REVISED APRIL 1998

5

POST OFFICE BOX 655303

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

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 5 V,

TA = 25°C

SN54ABT620

SN74ABT620

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

MIN

MAX

tPLH

AorB

BorA

1

4.1

1

1

4.8

ns

tPHL

A or B

B or A

1

4.3

1

1

4.8

ns

tPZH

OEBA

A

1.3

4.6

1.3

1.3

5.5

ns

tPZL

OEBA

A

1

6.1

1

1

7.1

ns

tPHZ

OEBA

A

2

6.3

2

2

7

ns

tPLZ

OEBA

A

1.4

5.4

1.4

1.4

5.8

ns

tPZH

OEAB

B

1.6

6.2

1.6

1.6

6.8

ns

tPZL

OEAB

B

2

5.9

2

2

6.4

ns

tPHZ

OEAB

B

1.2

5.6

1.2

1.2

6.5

ns

tPLZ

OEAB

B

1.1

4.7

1.1

1.1

5.6

ns

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.