CDC305DR datasheet(2/7 Pages) TI

2 / 7 page

CDC305

OCTAL DIVIDE-BY-2 CIRCUIT/CLOCK DRIVER

SCAS326A – JUNE 1990 – REVISED NOVEMBER 1995

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

logic symbol†

CLK

CLR

PRE

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

logic diagram (positive logic)

CLR

CLK

PRE

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡

Supply voltage, VCC

7 V

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

Input voltage, VI

7 V

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

Maximum power dissipation at TA = 55°C (in still air) (see Note 1): D package

0.77 W

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

N package

1.2 W

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

Storage temperature range, Tstg

–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.

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