CD74FCT573ATE datasheet(4/7 Pages) TI

4 / 7 page

8-4

Switching Speciﬁcations Over Operating Range FCT Series tr, tf = 2.5ns, CL = 50pF, RL (Figure 4) (Note 6)

PARAMETER

SYMBOL

VCC (V)

25oC0oC TO 70oC

UNITS

TYP

MIN

MAX

Propagation Delays

Data to Outputs

CD74FCT573

tPLH, tPHL

1.5

CD74FCT573AT

tPLH, tPHL

3.9

1.5

5.7

LE to Outputs

CD74FCT573

tPLH, tPHL

592

CD74FCT573AT

tPLH, tPHL

4.4

Output Enable Times

CD74FCT573

tPZL, tPZH

1.5

CD74FCT573AT

tPZL, tPZH

1.5

Output Disable Times

CD74FCT573

tPLZ, tPHZ

1.5

7.5

CD74FCT573AT

tPLZ, tPHZ

1.5

5.8

Power Dissipation Capacitance

CPD

(Note 7)

-34-

Minimum (Valley) VOHV During Switching of

Other Outputs (Output Under Test Not Switching)

VOHV

(Figure 1)

0.5

Maximum (Peak) VOLP During Switching of

Other Outputs (Output Under Test Not Switching)

VOLP

(Figure 1)

Input Capacitance

---

Three-State Output Capacitance

---

NOTES:

6. 5V: Min is at 5.25V for 0oC to 70oC, Max is at 4.75V for 0oC to 70oC, Typ 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

O CL + 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

Prerequisite for Switching

PARAMETER

SYMBOL

VCC (V)

25oC0oC TO 70oC

UNITS

TYP

MIN

MAX

Data to Latch Enable Setup Time

tSU

(Note 8)

-2-

Data to Latch Enable Hold Time

1.5

Latch Enable Pulse Width

CD74FCT573

5-6-

CD74FCT573AT

5-5-

NOTE:

8. 5V: Minimum is at 4.75V for 0oC to 70oC, Typical is at 5V.

CD74FCT573, CD74FCT573AT

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