54ACT16470, 74ACT16470

16-BIT REGISTERED TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCAS237A – JUNE 1990 – REVISED APRIL 1996

7

POST OFFICE BOX 655303

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

54ACT16470

74ACT16470

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

fmax

55

55

55

MHz

tPLH

CLK

AorB

3.9

8.3

10.3

3.9

11.8

3.9

11.8

ns

tPHL

CLK

A or B

3.8

8.4

10.3

3.8

11.7

3.8

11.7

ns

tPZH

OE

AorB

3.2

8.3

10.5

3.2

11.9

3.2

11.9

ns

tPZL

OE

A or B

3.6

9.5

11.8

3.6

13.4

3.6

13.4

ns

tPHZ

OE

AorB

4.6

7.4

9.3

4.6

9.9

4.6

9.9

ns

tPLZ

OE

A or B

4.6

7

8.8

4.6

9.5

4.6

9.5

ns

tPZH

CE

AorB

3.5

8.8

10.9

3.5

12.5

3.5

12.5

ns

tPZL

CE

A or B

4.2

10.1

12.4

4.2

14.3

4.2

14.3

ns

tPHZ

CE

AorB

5.2

8.3

10.3

5.2

11.2

5.2

11.2

ns

tPLZ

CE

A or B

5.2

7.9

10

5.2

10.9

5.2

10.9

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

C d

Power dissipation capacitance per transceiver

Outputs enabled

CL =50 pF

f=1MHz

59

pF

Cpd

Power dissipation capacitance per transceiver

Outputs disabled

CL = 50 pF,

f = 1 MHz

39

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.