4-105

FAST AND LS TTL DATA

MC74F195

GUARANTEED OPERATING RANGES

Symbol

Parameter

Min

Typ

Max

Unit

VCC

Supply Voltage

74

4.5

5.0

5.5

V

TA

Operating Ambient Temperature Range

74

0

25

70

°C

IOH

Output Current

 High

74

–1.0

mA

IOL

Output Current

 Low

74

20

mA

S

R

RD

CP

Q

S

R

RD

CP

Q

Q

MR

CP

S

R

RD

CP

Q

Q0

Q1

Q2

Q3 Q3

D3

D2

D1

D0

J

K

PE

S

R

RD

CP

Q

Q

LOGIC DIAGRAM

FUNCTION TABLE

Inputs

Outputs

Operating Modes

MR

CP

PE

J

K

Dn

Q0

Q1

Q2

Q3

Q3

Asynchronous Reset

L

X

X

X

X

X

L

L

L

L

H

Shift, Set First Stage

H

↑

h

h

h

X

H

q0

q1

q2

q2

Shift, Reset First Stage

H

↑

h

l

l

X

L

q0

q1

q2

q2

Shift, Toggle First Stage

H

↑

h

h

l

X

q0

q0

q1

q2

q2

Shift, Retain First Stage

H

↑

h

l

h

X

q0

q0

q1

q2

q2

Parallel Load

H

↑

l

X

X

dn

d0

d1

d2

d3

d3

H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

dn (qn) = Lower case letters indicate the state of the referenced input (or output) one setup time prior to the LOW-to-HIGH clock transition.

↑ = LOW-to-HIGH clock transition