54ACT16823, 74ACT16823

18-BIT BUS-INTERFACE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCAS160A – APRIL 1991 – REVISED APRIL 1996

6

POST OFFICE BOX 655303

switching characteristics over recommended operating free-air temperature range,

PARAMETER

FROM

TO

TA = 25°C

54ACT16823

74ACT16823

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

fmax

90

90

90

MHz

tPLH

CLK

Q

4.2

7.5

10.6

4.2

12.1

4.2

12.1

ns

tPHL

CLK

Q

4.8

8.3

11.5

4.8

12.9

4.8

12.9

ns

tPHL

CLR

Q

3.4

7.3

11.2

3.4

12.5

3.4

12.5

ns

tPZH

OE

Q

2.4

5.9

9.5

2.4

10.7

2.4

10.7

ns

tPZL

OE

Q

3.3

7.1

11.3

3.3

12.8

3.3

12.8

ns

tPHZ

OE

Q

5.5

7.6

9.7

5.5

10.3

5.5

10.3

ns

tPLZ

OE

Q

4.6

6.7

8.8

4.6

9.4

4.6

9.4

ns

PARAMETER

TEST CONDITIONS

TYP

UNIT

C d

Power dissipation capacitance per flip flop

Outputs enabled

CL =50 pF

f=1MHz

42

pF

Cpd

Power dissipation capacitance per flip-flop

Outputs disabled

CL = 50 pF,

f = 1 MHz

24

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.