6

PS2084B

01/13/97

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PI74FCT191T

(25

Ω

Ω

Ω

Ω

Ω SERIES) PI74FCT2191T

4-BIT BINARY COUNTERS

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com

Notes:

1.See Test Circuit and Waveforms.

2. Minimum limits are guaranteed but not tested on Propagation Delays.

3. This parameter guaranteed but not production tested.

Timing Characteristics (Over Operating Range)

l

o

b

m

y

Sn

o

it

p

i

r

c

s

e

Ds

n

o

it

i

d

n

o

C

T

1

9

1

T

1

9

1

2

.

x

a

M

.

n

i

M

T

A

1

9

1

T

A

1

9

1

2

.

x

a

M

.

n

i

M

T

C

1

9

1

T

C

1

9

1

2

.

x

a

M

.

n

i

Mti

n

U

t

S

L

P

D

p

u

t

e

S

L

P

o

t

i

D

F

p

0

5

=

0

0

5

=

Ω

0

.

50

.

40

.

4

s

n

t

H

L

P

D

d

l

o

H

L

P

o

t

i

D

5

.

15

.

15

.

1

C

p

u

t

e

S

P

C

o

t

E

C

0

10

.

90

.

9

C

d

I

o

H

P

C

o

t

E

C

000

t

S

P

C

D

U

p

u

t

e

S

P

C

o

t

D

/

U

2

10

10

1

t

H

P

C

D

U

d

l

o

H

P

C

o

t

D

/

U

000

P

C

e

sl

u

P

k

c

o

l

C

)

1

(

W

O

L

r

o

H

G

I

H

h

t

d

i

W

0

.

50

.

40

.

4

P

W

O

L

L

P

0

.

65

.

55

.

5

t

R

P

C

L

P

y

r

e

v

o

c

e

R

P

C

o

t

L

P

0

.

60

.

50

.

5