M74HCT137 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M74HCT137

3 TO 8 LINE DECODER/LATCH (INVERTING)

STMicroelectronics 

M74HCT137

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

Test Condition

Value

Symbol

Parameter

VCC

(V)

tTLH tTHL Output Transition

Time

4.5

tPLH tPHL Propagation Delay

Time (G1 - Yn)

4.5

tPLH tPHL Propagation Delay

Time (G2 - Yn)

4.5

tPLH tPHL Propagation Delay

Time (GL - Yn)

4.5

tPLH tPHL Propagation Delay

Time (A, B, C - Y)

4.5

tW(H)

tW(L)

Minimum Pulse

Width (GL)

4.5

ts

Minimum Set-up

Time (A, B, C - GL)

4.5

th

Minimum Hold

Time (A, B, C - GL)

4.5

TA = 25°C

-40 to 85°C -55 to 125°C Unit

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

8 15

19

22 ns

17 27

34

41 ns

18 28

35

42 ns

25 39

49

59 ns

24 37

46

56 ns

8 15

19

22 ns

5

6

8 ns

5

6

8 ns

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCC

(V)

TA = 25°C

-40 to 85°C -55 to 125°C Unit

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

CIN Input Capacitance

5 10

10

10 pF

CPD Power Dissipation

Capacitance (note

58

pF

1)

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

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