74LCX07MTCX_NL 查看數據表（PDF） - Fairchild Semiconductor

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74LCX07MTCX_NL

Low Voltage Hex Buffer with Open Drain Outputs

Fairchild Semiconductor 

AC Loading and Waveforms

FIGURE 1. AC Test Circuit

(CL includes probe and jig capacitance)

Test

tPZL, tPLZ

Switch

VCC x 2 at VCC 5.0 r 0.5V

6V at VCC 3.3 r 0.3V

VCC x 2 at VCC 2.5 r 0.2V

3-STATE Output Low Enable and

Disable Times for Logic

trise and tfall

FIGURE 2. Waveforms

(Input Pulse Characteristics; f =1MHz, tr = tf = 3ns)

Symbol

Vmi

Vmo

Vx

Vy

5.0V r 0.5V

VCC/2

VCC/2

VOL  0.3V

VOH  0.3V

VCC

3.3V r 0.3V

2.7V

1.5V

1.5V

1.5V

1.5V

VOL  0.3V

VOH  0.3V

VOL  0.3V

VOH  0.3V

2.5V r 0.2V

VCC/2

VCC/2

VOL  0.15V

VOH  0.15V

5

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