PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

TEST

CONDITIONS

UNIT

D

C

OC

OC

Any Q

Any Q

Any Q

Any Q

CL = 50

pF

CL = 300 pF

CL = 50

pF

CL = 300

pF

CL = 300

pF

CL = 50

pF

CL = 50

pF

CL = 5 pF

ns

ns

ns

ns

SN74ALS29843, SN74ALS29844

9BIT BUS INTERFACE DTYPE LATCHES WITH 3STATE OUTPUTS

SDAS151A − D2910 — JUNE 1988 — REVISED JANUARY 1990

POST OFFICE BOX 655303

7

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

temperature (see Figure 1)

VCC = 5 V,

TA = 25°C

VCC = MIN TO MAX†,

TA = MIN TO MAX†

MIN

TYP

MAX

MIN

TYP

MAX

tPLH

2

5.7

8

2

9.5

tPHL

2

6.2

8

2

9.5

tPLH

10

12.5

14

tPHL

10

14

14

tPLH

8

10.5

12

tPHL

7.5

10

12

tPLH

15

16

tPHL

15

16

tPLH

PRE

Any Q

CL = 50 pF

6.5

9

12

ns

tPHL

CLR

Any Q

CL = 50 pF

7

10

13

ns

tPZH

7.3

12

14

tPZL

9.7

12

14

tPZH

17

20

tPZL

21

23

tPHZ

10.4

14

15

tPLZ

4.7

11

12

tPHZ

3.4

8

9

tPLZ

3.8

8

9

† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.