CDC339 datasheet(2/7 Pages) TI

2 / 7 page

CDC339

CLOCK DRIVER

WITH 3-STATE OUTPUTS

SCAS331 – DECEMBER 1992 – REVISED MARCH 1994

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

logic symbol†

logic diagram (positive logic)

CLK

CLR

CLK

CLR

† This symbol is in accordance with ANSI/IEEE Std 91-1984

and IEC Publication 617-12.

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

Supply voltage range, VCC

– 0.5 V to 7 V

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

Input voltage range, VI (see Note 1)

– 0.5 V to 7 V

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

Voltage range applied to any output in the disabled or power-off state, VO

– 0.5 V to 5.5 V

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

Current into any output in the low state, IO

96 mA

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

Input clamp current, IIK (VI < 0)

–18 mA

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

Output clamp current, IOK (VO < 0)

– 50 mA

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

Maximum power dissipation at TA = 55°C (in still air) (see Note 2): DB package

0.6 W

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

DW package

1.6 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.

NOTES:

1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.

2. The maximum package power dissipation is calculated using a junction temperature of 150

°C and a board trace length of 750 mils.

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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