74ALVC16821MTDX View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

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74ALVC16821MTDX

Low Voltage 20-Bit D-Type Flip-Flops with 3.6V Tolerant Inputs and Outputs

Fairchild Semiconductor 

AC Loading and Waveforms

TABLE 1. Values for Figure 1

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

SWITCH

Open

VL

GND

FIGURE 1. AC Test Circuit

Symbol

Vmi

Vmo

VX

VY

VL

3.3V ± 0.3V

1.5V

1.5V

VOL + 0.3V

VOH − 0.3V

6V

TABLE 2.

VCC

2.7V

2.5V ± 0.2V

1.5V

1.5V

VOL + 0.3V

VOH − 0.3V

6V

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 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

FIGURE 6. Setup Time, Hold Time

and Recovery Time for Low Voltage Logic

5

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