54ACT16544, 74ACT16544

16-BIT REGISTERED TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCAS161A – AUGUST 1990 – REVISED APRIL 1996

7

POST OFFICE BOX 655303

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

54ACT16544

74ACT16544

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

tPLH

AorB

BorA

2.8

6.7

10

2.8

11.2

2.8

11.2

ns

tPHL

A or B

B or A

4

7.5

10

4

11.2

4

11.2

ns

tPLH

LEBA or LEAB

AorB

2.7

9

13.3

2.7

14

2.7

14

ns

tPHL

LEBA or LEAB

A or B

2.8

8.5

12.1

2.8

13.5

2.8

13.5

ns

tPZH

CEBA or CEAB

AorB

3.2

7.2

10.5

3.2

11.7

3.2

11.7

ns

tPZL

CEBA or CEAB

A or B

3.8

8.2

12

3.8

13.6

3.8

13.6

ns

tPHZ

CEBA or CEAB

AorB

5.8

8.2

10.3

5.8

11.1

5.8

11.1

ns

tPLZ

CEBA or CEAB

A or B

5

7.4

9.4

5

10.2

5

10.2

ns

tPZH

OEBA or OEAB

AorB

2.8

6.9

10.2

2.8

11.4

2.8

11.4

ns

tPZL

OEBA or OEAB

A or B

3.6

7.9

11.7

3.6

13.3

3.6

13.3

ns

tPHZ

OEBA or OEAB

AorB

5.2

7.7

9.8

5.2

10.5

5.2

10.5

ns

tPLZ

OEBA or OEAB

A or B

3.4

6.8

8.8

3.4

9.6

3.4

9.6

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

C d

Power dissipation capacitance per transceiver

Outputs enabled

CL =50 pF

f=1MHz

60

pF

Cpd

Power dissipation capacitance per transceiver

Outputs disabled

CL = 50 pF,

f = 1 MHz

13

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.