M74HCT27M1R Просмотр технического описания (PDF) - STMicroelectronics

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производитель

M74HCT27M1R

TRIPLE 3-INPUT NOR GATE

STMicroelectronics 

M54/M74HCT27

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

Symbol

Parameter

Test Conditions

VCC

(V)

TA = 25 oC

54HC and 74HC

Value

-40 to 85 oC -55 to 125 oC Unit

74HC

54HC

Min. Typ. Max. Min. Max. Min. Max.

tTLH Output Transition 4.5

tTHL Time

8

15

19

22

ns

tPLH Propagation

4.5

tPHL Delay Time

12 19

24

29

ns

CIN Input Capacitance

5

10

10

10 pF

CPD (*) Power Dissipation

48

Capacitance

pF

(*) 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 operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN + ICC/3 (per Gate)

SWITCHING CHARACTERISTICS TEST CIRCUIT

TEST CIRCUIT ICC (Opr.)

INPUT WAVEFORM IS THE SAVE AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST.

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