CD74FCT863AM datasheet(4/9 Pages) TI1

4 / 9 page

8-4

Switching Speciﬁcations Over Operating Range FCT Series tr, tf = 2.5ns, CL = 50pF, RL (Figure 1)

PARAMETER

SYMBOL

VCC (V)

25oC0oC TO 70oC

UNITS

TYP

MIN

MAX

Propagation Delays

Data to Outputs

tPLH, tPHL

(Note 6)

1.5

Output Enable to Output

tPZL, tPZH

1.5

Output Disable to Output

tPLZ, tPHZ

7.5

1.5

Power Dissipation Capacitance

CPD

(Note 7)

----

Minimum (Valley) VOHV During Switching of

Other Outputs (Output Under Test Not Switching)

VOHV

0.5

Maximum (Peak) VOLP During Switching of

Other Outputs (Output Under Test Not Switching)

VOLP

Input Capacitance

---

Three-State Output Capacitance

---

NOTES:

6. 5V: Minimum is at 5.25V for 0oC to 70oC, Maximum is at 4.75V for 0oC to 70oC, Typical is at 5V.

7. CPD, measured per flip-flop, is used to determine the dynamic power consumption.

PD (per package) = VCC ICC + Σ(VCC

2 f

I CPD + VO

2 f

OCL + VCC ∆ICC D) where:

VCC = supply voltage

∆ICC = flow through current x unit load

CL = output load capacitance

D = duty cycle of input high

fO = output frequency

fI = input frequency

CD74FCT863A

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