CDC304

OCTAL DIVIDE-BY-2 CIRCUIT/CLOCK DRIVER

SCAS325A – JULY 1990 – REVISED NOVEMBER 1995

2

POST OFFICE BOX 655303

logic diagram (positive logic)

C1

CLK

Q1

Q2

Q3

Q4

Q5

Q6

Q7

Q8

1D

R

S

10

11

14

15

16

1

2

6

7

8

9

PRE

CLR

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0.77 W

. . . . . . . . . . . . . . . . . .

N package

1.2 W

. . . . . . . . . . . . . . . . . . .

–65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTE 1: The maximum package power dissipation is calculated using a junction temperature of 150

°C and a board trace length of 300 mils,

except for the N package, which has a trace length of zero. For more information, refer to the

Package Thermal Considerations

application note in the 1994

ABT Advanced BiCMOS Technology Data Book, literature number SCBD002B.

recommended operating conditions

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

IOH

High-level output current

–24

mA

IOL

Low-level output current

48

mA

fclock

Input clock frequency

80

MHz

TA

Operating free-air temperature

0

70

°C