74ALVC16839MTD Просмотр технического описания (PDF) - Fairchild Semiconductor

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74ALVC16839MTD

Low Voltage 20-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs and Outputs

Fairchild Semiconductor 

AC Loading and Waveforms

TABLE 1. Values for Figure

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

SWITCH

Open

VL

GND

AC Test Circuit

TABLE 2. Variable Matrix

(Input Characteristics: f = 1MHz; tr = tf = 2ns; Z0 = 50Ω)

Symbol

Vmi

Vmo

VX

VY

VL

3.3V ± 0.3V

1.5V

1.5V

VOL + 0.3V

VOH − 0.3V

6V

2.7V

1.5V

1.5V

VOL + 0.3V

VOH − 0.3V

6V

VCC

2.5V ± 0.2V

VCC/2

VCC/2

VOL + 0.15V

VOH − 0.15V

VCC*2

1.8V ± 0.15V

VCC/2

VCC/2

VOL + 0.15V

VOH − 0.15V

VCC*2

FIGURE 1. Waveform for Inverting and

Non-Inverting Functions

FIGURE 2. 3-STATE Output High Enable and

Disable Times for Low Voltage Logic

FIGURE 3. 3-STATE Output Low 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

5

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