74VHCT05AT 查看數據表（PDF） - STMicroelectronics

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74VHCT05AT

HEX INVERTER (OPEN DRAIN)

STMicroelectronics 

74VHCT05A

DYNAMIC SWITCHING CHARACTERISTICS

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Parameter

Test Conditions

V CC

( V)

Value

TA = 25 oC

Min. Typ. Max.

-40 to 85 oC

Min . Max.

Un it

VOLP Dynamic Low Voltage

5.0

VOLV Quiet Output (note 1, 2)

0.4 0.8

-0.8 -0.4

VIHD Dynamic High Voltage

5.0

CL = 50 pF

2.0

V

Input (note 1, 3)

VILD Dynamic Low Voltage

5.0

0.8

Input (note 1, 3)

1) Worst case package.

2) Max number of outputs defined as (n). Data inputs are driven 0V to 3.0, (n -1) outputs switching and one output atGND.

3) Max number of data inputs (n) switching. (n-1) switching 0V to3.0V. Inputs under test switching: 3.0V to threshold (VILD), 0V to threshold (VIHD), f=1MHz.

TEST CIRCUIT

CL = 15/50 pF or equivalent (includes jig and probe capacitance)

RL = R1 = 1KΩ or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

WAVEFORM: PROPAGATION DELAYS (f=1MHz; 50% duty cycle)

4/7

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