100390QCX データシートの表示（PDF） - Fairchild Semiconductor

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100390QCX

Low Power Single Supply Hex PECL-to-TTL Translator

Fairchild Semiconductor 

Switching Waveforms

FIGURE 1. Data to Output Propagation Delay

Test Circuit

FIGURE 2. Enable/Disable Propagation Delay

Notes:

GND = 0V, ECL VCC = +5V, TTL VCC = +5V

L1 and L2 = equal length 50Ω impedance lines

50Ω terminators are internal to S/H measurement unit

Decoupling 0.1 µF from GND to ECL VCC and TTL VCC

All unused outputs are loaded with 500Ω to GND

CL = Fixture and stray capacitance = 50 pF

Switch S1 is open for tPLH, tPHL, tPHZ and tPZH tests

Switch S1 is closed only for tPLZ and tPZL tests

FIGURE 3. AC Test Circuit

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