74VCX162835MTD Ver la hoja de datos (PDF) - Fairchild Semiconductor

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componentes Descripción

Fabricante

74VCX162835MTD

Low Voltage 18-Bit Universal Bus Driver with 3.6V Tolerant Inputs/Outputs and 26Ω Series Resistors in Outputs

Fairchild Semiconductor 

AC Loading and Waveforms

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

FIGURE 3. AC Test Circuit

SWITCH

Open

6V at VCC = 3.3 ± 0.3V;

VCC x 2 at VCC = 2.5 ± 0.2V; 1.8V to ± 0.15V

GND

FIGURE 4. Waveform for Inverting and

Non-inverting Functions

tr = tf ≤ 2.0ns, 10% to 90%

FIGURE 5. 3-STATE Output High Enable and

Disable Times for Low Voltage Logic

tr = tf ≤ 2.0ns, 10% to 90%

FIGURE 6. 3-STATE Output Low Enable and Disable Times for Low Voltage Logic

tr = tf ≤ 2.0ns, 10% to 90%

Symbol

Vmi

Vmo

Vx

Vy

3.3V ± 0.3V

1.5V

1.5V

VOL + 0.3V

VOH − 0.3V

VCC

2.5V ± 0.2V

VCC/2

VCC/2

VOL + 0.15V

VOH − 0.15V

1.8 ± 0.15V

VCC/2

VCC/2

VOL + 0.15V

VOH − 0.15V

7

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