74VCX16838 查看數據表（PDF） - Fairchild Semiconductor

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74VCX16838

Low Voltage 16-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs and Outputs

Fairchild Semiconductor 

AC Loading and Waveforms

TEST

SWITCH

tPLH, tPHL

Open

tPZL, tPLZ

6V at VCC 3.3 r 0.3V;

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

tPZH, tPHZ

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. Propagation Delay, Pulse Width and trec Waveforms

FIGURE 5. Setup Time, Hold Time and Recovery Time for Low Voltage Logic

Symbol

Vmi

Vmo

VX

VY

3.3V r 0.3V

1.5V

1.5V

VOL 0.3V

VOH 0.3V

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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