54AC16620, 74AC16620

16-BIT BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCAS239A – JULY 1990 – REVISED APRIL 1996

5

POST OFFICE BOX 655303

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

54AC16620

74AC16620

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

tPLH

AorB

BorA

2.7

6.1

8.7

2.7

9.7

2.7

9.7

ns

tPHL

A or B

B or A

3.9

7.9

10.6

3.9

11.7

3.9

11.7

ns

tPZH

OEBA

A

3.2

7.1

10

3.2

11.2

3.2

11.2

ns

tPZL

OEBA

A

4.5

11.1

13.5

4.5

15

4.5

15

ns

tPHZ

OEBA

A

5.3

7.4

9.5

5.3

10.2

5.3

10.2

ns

tPLZ

OEBA

A

4.6

7

9.2

4.6

9.8

4.6

9.8

ns

tPZH

OEAB

B

3.1

6.7

9.5

3.1

10.7

3.1

10.7

ns

tPZL

OEAB

B

4.4

9.6

13

4.4

14.5

4.4

14.5

ns

tPHZ

OEAB

B

5

7.1

9.3

5

9.8

5

9.8

ns

tPLZ

OEAB

B

4.4

6.8

8.9

4.4

9.4

4.4

9.4

ns

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

54AC16620

74AC16620

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

tPLH

AorB

BorA

2.1

3.9

6.1

2.1

6.8

2.1

6.8

ns

tPHL

A or B

B or A

3.1

4.9

7.3

3.1

8.2

3.1

8.2

ns

tPZH

OEBA

A

2.2

4.3

6.8

2.2

7.6

2.2

7.6

ns

tPZL

OEBA

A

3.3

5.5

8.4

3.3

9.4

3.3

9.4

ns

tPHZ

OEBA

A

4.9

6.6

8.6

4.9

9.2

4.9

9.2

ns

tPLZ

OEBA

A

4.1

5.8

7.8

4.1

8.3

4.1

8.3

ns

tPZH

OEAB

B

2.2

4.2

6.5

2.2

7.3

2.2

7.3

ns

tPZL

OEAB

B

3.4

5.4

8.1

3.4

9.1

3.4

9.1

ns

tPHZ

OEAB

B

4.6

6.4

8.5

4.6

9

4.6

9

ns

tPLZ

OEAB

B

4.1

5.6

7.6

4.1

8

4.1

8

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

C d

Power dissipation capacitance per transceiver

Outputs enabled

CL =50 pF

f=1MHz

49

pF

Cpd

Power dissipation capacitance per transceiver

Outputs disabled

CL = 50 pF,

f = 1 MHz

6

pF

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.