74VHCT125A 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

生产厂家

74VHCT125A

QUAD BUS BUFFERS (3-STATE)

STMicroelectronics 

74VHCT125A

Table 4: DC Specifications

Symbol

Parameter

VIH

VIL

VOH

VOL

IOZ

II

ICC

+ICC

IOPD

High Level Input

Voltage

Low Level Input

Voltage

High Level Output

Voltage

Low Level Output

Voltage

High Impedance

Output Leakage

Current

Input Leakage

Current

Quiescent Supply

Current

Additional Worst

Case Supply

Current

Output Leakage

Current

Test Condition

VCC

(V)

4.5 to

5.5

4.5 to

5.5

4.5

4.5

4.5

4.5

4.5 to

5.5

0 to

5.5

IO=-50 µA

IO=-8 mA

IO=50 µA

IO=8 mA

VI = VIH or VIL

VO = 0V to 5.5V

VI = 5.5V or GND

5.5 VI = VCC or GND

One Input at 3.4V,

5.5 other input at VCC

or GND

0

VOUT = 5.5V

Value

TA = 25°C

-40 to 85°C -55 to 125°C Unit

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

2

2

2

V

0.8

0.8

0.8 V

4.4 4.5

4.4

4.4

V

3.94

3.8

3.7

0.0 0.1

0.36

0.1

0.44

0.1

V

0.55

±0.25

± 2.5

± 2.5 µA

± 0.1

2

± 1.0

20

± 1.0 µA

20 µA

1.35

1.5

1.5 mA

0.5

5.0

5.0 µA

Table 5: AC Electrical Characteristics (Input tr = tf = 3ns)

Test Condition

Symbol

Parameter

VCC CL

(V) (pF)

tPLH Propagation Delay 5.0(*) 15 RL = 1 KΩ

tPHL Time

5.0(*) 50 RL = 1 KΩ

tPZL Output Disable

tPZH Time

5.0(*) 15

5.0(*) 50

RL = 1 KΩ

RL = 1 KΩ

tPLZ Output Enable

tPHZ Time

5.0(*) 50 RL = 1 KΩ

(*) Voltage range is 5.0V ± 0.5V

Value

TA = 25°C

-40 to 85°C -55 to 125°C Unit

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

3.8 5.5 1.0 6.5 1.0 6.5

ns

5.3 7.5 1.0 8.5 1.0 8.5

3.6 5.1 1.0 6.0 1.0 6.0

ns

5.1 7.1 1.0 8.0 1.0 8.0

6.1 8.8 1.0 10.0 1.0 10.0 ns

3/12

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