CD74FCT843A

BiCMOS 9-BIT BUS-INTERFACE D-TYPE LATCH

WITH 3-STATE OUTPUTS

SCBS727 – JULY 2000

4

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

timing requirements over recommended operating temperature conditions (unless otherwise

noted) (see Figure 1)

MIN

MAX

UNIT

CLR low

8

tw

Pulse duration

PRE low

8

ns

LE low

4

Data before LE

↓

2.5

tsu

Setup time

PRE inactive

1.4

ns

CLR inactive

1.4

th

Hold time

Data before LE

↓

2.5

ns

trec

Recovery time

PRE, CLR

14

ns

switching characteristics over recommended operating temperature conditions (unless otherwise

noted) (see Figure 1)

PARAMETER

FROM

TO

TA = 25°C

MIN

MAX

UNIT

PARAMETER

(INPUT)

(OUTPUT)

TYP

MIN

MAX

UNIT

t d

D

Q

6.8

1.5

9

ns

tpd

LE

Q

9

1.5

12

ns

tPLH

PRE

Q

9

1.5

12

ns

tPHL

CLR

Q

9.8

1.5

13

ns

ten

OE

Q

10.5

1.5

14

ns

tdis

OE

Q

6

1.5

8

ns