M74HCT164 datasheet(5/11 Pages) STMICROELECTRONICS

5 / 11 page

M74HCT164

5/11

AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)

CAPACITIVE CHARACTERISTICS

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tTLH tTHL Output Transition

Time

4.5

151922

tPLH tPHL Propagation Delay

Time (CLOCK - Q)

4.5

tPHL

Propagation Delay

Time (CLEAR - Q)

4.5

fMAX

Maximum Clock

Frequency

4.5

MHz

tW(H)

tW(L)

Minimum Pulse

Width (CLOCK)

4.5

151922

tW(L)

Minimum Pulse

Width (CLEAR)

4.5

151922

Minimum Set-Up

Time (A, B - CK)

4.5

101315

Minimum Hold

Time (A, B - CK)

4.5

tREM

Minimum Removal

Time

4.5

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

CIN

Input Capacitance

101010

CPD

Power Dissipation

Capacitance (note

137

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