SN54ALS534A, SN74ALS534A, SN74AS534

OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS

WITH 3-STATE OUTPUTS

SDAS168B – APRIL 1982 – REVISED JULY 1996

4

POST OFFICE BOX 655303

switching characteristics (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 4.5 V to 5.5 V,

CL = 50 pF,

R1 = 500

R2 = 500

TA = MIN to MAX†

UNIT

SN54ALS534A

SN74ALS534A

MIN

MAX

MIN

MAX

fmax

30

35

MHz

tPLH

CLK

An Q

3

17

3

12

ns

tPHL

CLK

Any Q

4

18

4

16

ns

tPZH

OE

An Q

3

19

3

17

ns

tPZL

OE

Any Q

4

20

4

18

ns

tPHZ

OE

Any Q

1

12

1

10

ns

tPLZ

OE

Any Q

1

25

2

14

ns

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

7 V

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

7 V

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

Voltage applied to a disabled 3-state output

5.5 V

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

0

°C to 70°C

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

–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

SN74AS534

UNIT

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

IOH

High-level output current

–15

mA

IOL

Low-level output current

48

mA

fclock

Clock frequency

0

125

MHz

t

Pulse duration

CLK high

4

ns

tw

Pulse duration

CLK low

3

ns

tsu

Setup time, data before CLK

↑

2

ns

th

Hold time, data after CLK

↑

2

ns

TA

Operating free-air temperature

0

70

°C