SN54ALS29823, SN74ALS29823

9-BIT BUS-INTERFACE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SDAS146B – JANUARY 1986 – REVISED JANUARY 1995

4

POST OFFICE BOX 655303

switching characteristics (see Figure 1)

PARAMETER

FROM

TO

TEST CONDITIONS

VCC = MIN to MAX†,

TA = MIN to MAX†

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

TEST CONDITIONS

SN54ALS29823

UNIT

MIN

MAX

tPLH

CLK

An Q

C50 pF

2

11.5

ns

tPHL

CLK

Any Q

CL = 50 pF

2

11.5

ns

tPLH

CLK

An Q

C

300 pF

2

21

ns

tPHL

CLK

Any Q

CL = 300 pF

2

21

ns

tPHL

CLR

Any Q

CL = 50 pF

1

17.5

ns

tPZH

OE

An Q

C50 pF

1

17

ns

tPZL

OE

Any Q

CL = 50 pF

1

17

ns

tPZH

OE

An Q

C

300 pF

1

25

ns

tPZL

OE

Any Q

CL = 300 pF

1

29.5

ns

tPHZ

OE

An Q

C50 pF

1

16

ns

tPLZ

OE

Any Q

CL = 50 pF

1

14

ns

tPHZ

OE

Any Q

CL 5 pF

1

12

ns

tPLZ

OE

Any Q

CL = 5 pF

1

11

ns

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

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage applied to a disabled 3-state output

5.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

recommended operating conditions

SN74ALS29823

UNIT

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.75

5

5.25

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

IOH

High-level output current

–24

mA

IOL

Low-level output current

48

mA

t

Pulse duration

CLR low

5

ns

tw

Pulse duration

CLK high or low

5

ns

CLR inactive

5

tsu

Setup time before CLK

↑

Data

2

ns

CLKEN high or low

6

th

Hold time after CLK

↑

CLKEN

0

ns

th

Hold time after CLK

↑

Data

2

ns

TA

Operating free-air temperature

0

25

70

°C