SN54HC112, SN74HC112

DUAL JK NEGATIVEEDGETRIGGERED FLIPFLOPS

WITH CLEAR AND PRESET

SCLS099F − DECEMBER 1982 − REVISED SEPTEMBER 2003

4

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

SN54HC112

SN74HC112

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

1.9

1.998

1.9

1.9

IOH = −20 µA

4.5 V

4.4

4.499

4.4

4.4

VOH

VI = VIH or VIL

IOH = −20 µA

6 V

5.9

5.999

5.9

5.9

V

VOH

VI = VIH or VIL

IOH = −4 mA

4.5 V

3.98

4.3

3.7

3.84

V

IOH = −5.2 mA

6 V

5.48

5.8

5.2

5.34

2 V

0.002

0.1

0.1

0.1

IOL = 20 µA

4.5 V

0.001

0.1

0.1

0.1

VOL

VI = VIH or VIL

IOL = 20 µA

6 V

0.001

0.1

0.1

0.1

V

VOL

VI = VIH or VIL

IOL = 4 mA

4.5 V

0.17

0.26

0.4

0.33

V

IOL = 5.2 mA

6 V

0.15

0.26

0.4

0.33

II

VI = VCC or 0

6 V

±0.1

±100

±1000

±1000

nA

ICC

VI = VCC or 0,

IO = 0

6 V

4

80

40

µA

Ci

2 V to 6 V

3

10

10

10

pF

timing requirements over recommended operating free-air temperature range (unless otherwise

noted)

VCC

TA = 25°C

SN54HC112

SN74HC112

UNIT

VCC

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

5

3.4

4

fclock

Clock frequency

4.5 V

25

17

20

MHz

fclock

Clock frequency

6 V

29

20

24

MHz

2 V

100

150

125

PRE or CLR low

4.5 V

20

30

25

tw

Pulse duration

PRE or CLR low

6 V

17

25

21

ns

tw

Pulse duration

2 V

100

150

125

ns

CLK high or low

4.5 V

20

30

25

CLK high or low

6 V

17

25

21

2 V

100

150

125

Data (J, K)

4.5 V

20

30

25

tsu

Setup time before CLK

↓

Data (J, K)

6 V

17

25

21

ns

tsu

Setup time before CLK

↓

2 V

100

150

125

ns

PRE or CLR inactive

4.5 V

20

30

25

PRE or CLR inactive

6 V

17

25

21

2 V

0

0

0

th

Hold time, data after CLK

↓

4.5 V

0

0

0

ns

th

Hold time, data after CLK

↓

6 V

0

0

0

ns