M74HCT137 datasheet(5/12 Pages) STMICROELECTRONICS

Nome de Peças	M74HCT137

Descrição Electrónicos	3 TO 8 LINE DECODER/LATCH INVERTING

PDF	12 Pages

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

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

Symbol

Parameter

Test Conditions

Value

Unit

VCC

(V)

TA =25

54HC and 74HC

-40 to 85

74HC

-55 to 125

54HC

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

tTLH

tTHL

Output Transition

Time

4.5

151922

tPLH

tPHL

Propagation

Delay Time

(G1 - Y)

4.5

tPLH

tPHL

Propagation

Delay Time

(G2 - Y)

4.5

tPLH

tPHL

Propagation

Delay Time

(GL - Y)

4.5

tPLH

tPHL

Propagation

Delay Time

(A, B, C - Y)

4.5

tW(L)

Minimum Pulse

Width

(GL)

4.5

151922

Minimum Set-up

Time

(A, B, C - GL)

4.5

Minimum Hold

Time

(A, B, C - GL)

4.5

CIN

Input Capacitance

CPD (*)

Power Dissipation

Capacitance

(*) 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

M54/M74HCT137

5/12

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