M74HC259

Electrical characteristics

Table 8: Capacitive characteristics

Symbol

Parameter

Test

condition

Value

Unit

TA = 25°C

-40 to 85°C

-55 to 125°C

VCC (V)

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

CIN

Input

capacitance

5.0

5

10

10

10

pF

CPD

Power

dissipation

capacitance

(1)

5.0

66

pF

Notes:

(1)C

PD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the

operating current consumption without load (refer to the test circuit). The average operating current

can be obtained by the following equation: ICC(opr) = CPD x VCC x fIN + ICC

Figure 4: Test circuit

1.

RT = ZOUT of pulse generator (typically 50 ohm)

2.

CL = 50 pF or equivalent (includes jig and probe capacitance)

DocID001933 Rev 2

11/19

1

R

T

2

C

L

V

CC

D.U.T.

PULSE

GENERATOR