MC74HCT145A 查看數據表（PDF） - Motorola => Freescale

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MC74HCT145A

Octal 3-State Noninverting Bus Transceiver with LSTTL Compatible Inputs

Motorola => Freescale 

MC54/74HCT245A

DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ICC

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ IOZ

Parameter

Maximum Quiescent Supply

Current (per Package)

Maximum Three–State

Leakage Current

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ∆ICC

Additional Quiescent Supply

Current

Test Conditions

Vin = VCC or GND

Iout = 0 µA

Output in High–Impedance State

Vin = VIL or VIH

Vout = VCC or GND, I/O Pins

Vin = 2.4 V, Any One Input

Vin = VCC or GND, Other Inputs

lout = 0 µA

VCC

V

5.5

Guaranteed Limit

– 55 to

25_C

v v 85_C

125_C

Unit

4.0

40

160

µA

5.5

± 0.5

± 5.0

± 10

µA

≥ –55_C

25_C to 125_C

5.5

2.9

2.4

mA

NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).

AC ELECTRICAL CHARACTERISTICS (VCC = 5.0 V ± 10%, CL = 50 pF, Input tr = tf = 6.0 ns)

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Guaranteed Limit

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol

Parameter

– 55 to

25_C

v v 85_C

125_C Unit

tPLH,

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL

Maximum Propagation Delay, A to B or B to A

(Figures 1 and 3)

22

28

33

ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLZ,

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHZ

Maximum Propagation Delay, Output Enable to A or B

(Figures 2 and 4)

30

36

42

ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPZL,

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPZH

Maximum Propagation Delay, Output Enable to A or 8

(Figures 2 and 4)

30

36

42

ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH,

tTHL

Maximum Output Transition Time. any Output

(Figures 1 and 3)

12

15

18

ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Cin

Maximum Input Capacitance (Pin 1 or 19)

10

10

10

pF

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Cout

Maximum Three–State I/O Capacitance, (I/O in High–Impedance State)

15

15

15

pF

NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High–

Speed CMOS Data Book (DL129/D).

Typical @ 25°C, VCC = 5.0 V

CPD

Power Dissipation Capacitance (Per Enabled Output)*

97

pF

* Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the

Motorola High–Speed CMOS Data Book (DL129/D).

High–Speed CMOS Logic Data

3–3

DL129 — Rev 6

MOTOROLA

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