CD54HC194_1 datasheet(6/17 Pages) VECTRON

6 / 17 page

Set-up Time

S1, S0 to Clock (Figure 4)

tSU

4.5

Set-up Time

DSL, DSR to Clock (Figure 4)

tSU

4.5

Hold Time

S1, S0 to Clock (Figure 4)

4.5

0-0-0-

Hold Time

Data to Clock (Figure 3)

4.5

0-0-0-

Switching Speciﬁcations Input tr, tf = 6ns

PARAMETER

SYMBOL

TEST

CONDITIONS

VCC

(V)

25oC

-40oC TO 85oC

-55oC TO 125oC

UNITS

TYP

MAX

HC TYPES

Propagation Delay,

Clock to Output (Figure 1)

tPLH, tPHL

CL = 50pF

175

220

265

4.5

Propagation Delay,

Clock to Q

tPLH, tPHL

Output Transition Time

(Figure 1)

tTLH, tTHL

CL = 50pF

110

4.5

Propagation Delay,

MR to Output (Figure 2)

tPHL

CL = 50pF

140

175

210

4.5

Input Capacitance

CIN

Maximum Clock Frequency

fMAX

MHz

Power Dissipation

Capacitance (Notes 4, 5)

CPD

HCT TYPES

Propagation Delay,

Clock to Output (Figure 1)

tPLH, tPHL

CL = 50pF

4.5

Propagation Delay,

Clock to Q

tPLH, tPHL

Output Transition Times

(Figure 1)

tTLH, tTHL

CL = 50pF

4.5

Propagation Delay,

MR to Output (Figure 2)

tPHL

CL = 50pF

4.5

Input Capacitance

CIN

Maximum Clock Frequency

fMAX

MHz

Power Dissipation

Capacitance (Notes 4, 5)

CPD

NOTES:

3. CPD is used to determine the dynamic power consumption, per gate.

4. PD = VCC

2 f

i + ∑ (CL VCC

2) where f

i = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.

Prerequisite For Switching Function

(Continued)

PARAMETER

SYMBOL

TEST

CONDITIONS VCC (V)

25oC

-40oC TO 85oC

-55oC TO 125oC

UNITS

MIN

MAX

MIN

MAX

MIN

MAX

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