Philips Semiconductors

Product specification

74F173

Quad D-type flip–flop (3-State)

August 31, 1990

4

FUNCTION TABLE

INPUTS

OUTPUTS

OUTPUTS

Qn (register)

OE0

OE1

Qn

L

L

L

L

Read

H

L

L

H

X

H

X

Z

Disabled

X

X

H

Z

Notes to function table

H = High–voltage level

L

= Low–voltage level

X = Don’t care

Z = High impedance ”off” state

LOGIC DIAGRAM

VCC = Pin 16

GND = Pin 8

D

CP

Q

Q0

3

D0

14

MR

15

Q

RD

D

CP

Q

Q1

4

D1

13

Q

RD

D

CP

Q

Q2

5

D2

12

Q

RD

D

CP

Q

Q3

6

D3

11

Q

RD

1

2

OE0

OE1

E0

E1

9

10

CP

7

SF00293

ABSOLUTE MAXIMUM RATINGS

(Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the

operating free air temperature range.)

SYMBOL

PARAMETER

RATING

UNIT

Supply voltage

–0.5 to +7.0

V

Input voltage

–0.5 to +7.0

V

Input current

–30 to +5

mA

Voltage applied to output in high output state

V

Current applied to output in low output state

96

mA

Operating free air temperature range

0 to +70

Storage temperature range

–65 to +150