74AC11191

SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER

SCAS105A – FEBRUARY 1990 – REVISED APRIL 1993

POST OFFICE BOX 655303

6

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

otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

TA = 25°C

MIN

MAX

UNIT

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

MIN

MAX

UNIT

3 V

2.9

2.9

IOH = – 50 mA

4.5 V

4.4

4.4

5.5 V

5.4

5.4

VOH

IOH = – 4 mA

3 V

2.58

2.48

V

IOH =24 mA

4.5 V

3.94

3.8

IOH = – 24 mA

5.5 V

4.94

4.8

IOH = – 75 mA{

5.5 V

3.85

3 V

0.1

0.1

IOL = 50 mA

4.5 V

0.1

0.1

5.5 V

0.1

0.1

VOL

IOL = 12 mA

3 V

0.36

0.44

V

IOL =24mA

4.5 V

0.36

0.44

IOL = 24 mA

5.5 V

0.36

0.44

IOL = 75 mA{

5.5 V

1.65

II

VI = VCC or GND

5.5 V

± 0.1

± 1

mA

ICC

VI = VCC or GND,

IO = 0

5.5 V

8

80

mA

Ci

VI = VCC or GND

5 V

4

pF

† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.

timing requirements over recommended operating free-air temperature range,

TA = 25°C

MIN

MAX

UNIT

MIN

MAX

MIN

MAX

UNIT

fclock

Clock frequency

0

50

0

50

MHz

t

Pulse duration

LOAD low

4.8

4.8

ns

tw

Pulse duration

CLK high or low

10

10

ns

Data before LOAD

↑

4

4

t

Setup time

CTEN before CLK

↑

12.5

12.5

ns

tsu

Setup time

D/U before CLK

↑

13.5

13.5

ns

LOAD inactive before CLK

↑

2.5

2.5

Data after LOAD

↑

1

1

th

Hold time

CTEN after CLK

↑

0

0

ns

D/U after CLK

↑

0

0