74VCXH16374 查看數據表（PDF） - Fairchild Semiconductor

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74VCXH16374

Low Voltage 16-Bit D-Type Flip-Flops with Bushold

Fairchild Semiconductor 

AC Loading and Waveforms (VCC 3.3V r 0.3V to 1.8V r 0.15V)

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

SWITCH

Open

6V at VCC 3.3V r 0.3V;

VCC x 2 at VCC 2.5V r 0.2V; 1.8V r 0.15V

GND

FIGURE 1. AC Test Circuit

FIGURE 2. Waveform for Inverting and

Non-Inverting Functions

FIGURE 3. 3-STATE Output High Enable and

Disable Times for Low Voltage Logic

FIGURE 4. 3-STATE Output Low Enable and Disable Times for Low Voltage Logic

FIGURE 5. Propagation Delay, Pulse Width and

tREC Waveforms

Symbol

Vmi

Vmo

VX

VY

3.3V r 0.3V

1.5V

1.5V

VOL 0.3V

VOH 0.3V

FIGURE 6. Setup Time, Hold Time and

Recovery Time for Low Voltage Logic

VCC

2.5V r 0.2V

VCC/2

VCC/2

VOL 0.15V

VOH 0.15V

1.8V r 0.15V

VCC/2

VCC/2

VOL 0.15V

VOH 0.15V

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