54ACT16543, 74ACT16543

16-BIT REGISTERED TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCAS126B – MARCH 1990 – REVISED APRIL 1996

7

POST OFFICE BOX 655303

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

temperature range (unless otherwise noted) (see Figure 1)

PARAMETER

FROM

TO

TA = 25°C

54ACT16543

74ACT16543

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

tPLH

AorB

BorA

3.5

6.9

9.5

3.5

10.5

3.5

10.5

ns

tPHL

A or B

B or A

3.1

7.3

10.7

3.1

11.6

3.1

11.6

ns

tPLH

LEBA or LEAB

AorB

3.9

8.6

12.3

3.9

13.8

3.9

13.8

ns

tPHL

LEBA or LEAB

A or B

3.9

8.7

12.2

3.9

13.5

3.9

13.5

ns

tPZH

OEBA or OEAB

AorB

2.6

7.1

10.3

2.6

11.4

2.6

11.4

ns

tPZL

OEBA or OEAB

A or B

3.5

8.3

11.9

3.5

13.2

3.5

13.2

ns

tPHZ

OEBA or OEAB

AorB

4.1

8.2

10.5

4.1

11.1

4.1

11.1

ns

tPLZ

OEBA or OEAB

A or B

5

7.3

9.3

5

9.6

5

9.6

ns

tPZH

CEBA or CEAB

AorB

3.1

7.3

10.7

3.1

11.7

3.1

11.7

ns

tPZL

CEBA or CEAB

A or B

3.9

8.5

12.2

3.9

13.5

3.9

13.5

ns

tPHZ

CEBA or CEAB

AorB

4.6

8.5

11

4.6

11.6

4.6

11.6

ns

tPLZ

CEBA or CEAB

A or B

5.2

7.4

9.7

5.2

10.5

5.2

10.5

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

C d

Power dissipation capacitance per transceiver

Outputs enabled

CL =50 pF

f=1MHz

45

pF

Cpd

Power dissipation capacitance per transceiver

Outputs disabled

CL = 50 pF,

f = 1 MHz

12

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.