SN54ALS564B, SN74ALS564B

OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS

WITH 3-STATE OUTPUTS

SDAS164B – APRIL 1982 – REVISED JANUARY 1995

3

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

SN54ALS564B

SN74ALS564B

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = – 18 mA

– 1.2

– 1.2

V

VCC = 4.5 V to 5.5 V,

IOH = – 0.4 mA

VCC –2

VCC –2

VOH

VCC =4 5V

IOH = – 1 mA

2.4

3.3

V

VCC = 4.5 V

IOH = – 2.6 mA

2.4

3.2

VOL

VCC =4 5V

IOL = 12 mA

0.25

0.4

0.25

0.4

V

VOL

VCC = 4.5 V

IOL = 24 mA

0.35

0.5

V

IOZH

VCC = 5.5 V,

VO = 2.7 V

20

20

µA

IOZL

VCC = 5.5 V,

VO = 0.4 V

–20

–20

µA

II

VCC = 5.5 V,

VI = 7 V

0.1

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

20

µA

IIL

VCC = 5.5 V,

VI = 0.4 V

– 0.2

– 0.2

mA

IO‡

VCC = 5.5 V,

VO = 2.25 V

–20

–112

–30

–112

mA

Outputs high

10

18

10

18

ICC

VCC = 5.5 V

Outputs low

15

24

15

24

mA

Outputs disabled

16

30

16

30

† All typical values are at VCC = 5 V, TA = 25°C.

‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.

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

SN54ALS564B

SN74ALS564B

MIN

MAX

MIN

MAX

fmax

22

30

MHz

tPLH

CLK

An Q

4

24

3

14

ns

tPHL

CLK

Any Q

4

20

4

14

ns

tPZH

OE

An Q

4

24

3

18

ns

tPZL

OE

Any Q

3

23

4

18

ns

tPHZ

OE

Any Q

2

14

1

10

ns

tPLZ

OE

Any Q

3

29

2

15

ns

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