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ITT - Index of

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TYPES <strong>ITT</strong>5480, <strong>ITT</strong>7480<br />

GATED FULLADDERS<br />

SWITCHING CHARACTERISTICS. Vee = 5V. TA = 25°e<br />

From<br />

To<br />

Parameter 1 (Input) (Output) Min Typ<br />

Max<br />

Unit<br />

Test Conditions<br />

tpLH<br />

Cn Cn+1 13<br />

17<br />

ns<br />

CL = 15pF. RL = 780n<br />

tpHL<br />

8<br />

12<br />

tpLH<br />

BC Cn+1 18<br />

25<br />

ns<br />

CL = 15pF. RL = 780n<br />

tpHL<br />

38<br />

55<br />

tpLH<br />

AC ~<br />

52<br />

70<br />

ns<br />

CL = 15pF. RL = 400Jl<br />

tpH L<br />

62<br />

80<br />

tpLH<br />

BC ~ 38<br />

55<br />

ns<br />

CL = 15pF. RR = 400n<br />

tpH L<br />

56<br />

75<br />

tpLH<br />

A1 A' 48<br />

65<br />

ns CL = 1 5pF. See Note 7<br />

tpHL<br />

17<br />

25<br />

tpLH<br />

B1 B' 48<br />

65<br />

ns CL = 15pF. See Note 7<br />

tpH L<br />

17<br />

25<br />

propagation delaytime.low-to-high-Ievel output<br />

propagation delay time. high-to-Iow-Ievel output<br />

Note:<br />

7: The load for testing outputs A' and B' consists only <strong>of</strong> capacitance CL to ground.<br />

3-111

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