CD74HC93 datasheet(6/13 Pages) TI

6 / 13 page

HCT TYPES

Propagation Delay Time

tPLH, tPHL

CL = 50pF

4.5

CP0 to Q0

CL = 15pF

----

CP1 to Q1

tPLH, tPHL CL = 50pF

4.5

CL = 15pF

----

CP1 to Q2

tPLH, tPHL CL = 50pF

4.5

CL = 15pF

----

CP1 to Q3

tPLH, tPHL CL = 50pF

4.5

CL = 15pF

----

MR1, MR2 to Qn

tPLH, tPHL CL = 50pF

4.5

CL = 15pF

----

Output Transition Time

tTLH, tTHL

CL = 50pF

4.5

Input Capacitance

CIN

CL = 50pF

Power Dissipation Capacitance

CPD

----

Switching Speciﬁcations Input tr, tf = 6ns (Continued)

PARAMETER

SYMBOL

TEST

CONDITIONS

VCC

(V)

25oC

-40oC TO 85oC

-55oC TO

125oC

UNITS

MIN

TYP

MAX

MIN

MAX

MIN

MAX

Test Circuits and Waveforms

FIGURE 1. HC SETUP TIMES, HOLD TIMES, REMOVAL TIME,

AND PROPAGATION DELAY TIMES FOR EDGE

TRIGGERED SEQUENTIAL LOGIC CIRCUITS

FIGURE 2. HCT SETUP TIMES, HOLD TIMES, REMOVAL TIME,

AND PROPAGATION DELAY TIMES FOR EDGE

TRIGGERED SEQUENTIAL LOGIC CIRCUITS

trCL

tfCL

GND

VCC

GND

VCC

50%

90%

10%

GND

CLOCK

INPUT

DATA

INPUT

OUTPUT

SET, RESET

OR PRESET

VCC

50%

90%

10%

50%

90%

tREM

tPLH

tSU(H)

tTLH

tTHL

tH(L)

tPHL

50pF

tSU(L)

tH(H)

trCL

tfCL

GND

1.3V

2.7V

0.3V

GND

CLOCK

INPUT

DATA

INPUT

OUTPUT

SET, RESET

OR PRESET

1.3V

90%

10%

1.3V

90%

tREM

tPLH

tSU(H)

tTLH

tTHL

tH(L)

tPHL

50pF

tSU(L)

1.3V

tH(H)

1.3V

CD74HC93, CD74HCT93

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