100329F datasheet(8/11 Pages) NSC

Part #	100329F

Description	Low Power Octal ECL/TTL Bidirectional Translator with Register

PDF	11 Pages

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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Test Circuitry (ECL-to-TTL)

Switching Waveforms (ECL-to-TTL)

DS100306-10

Note 18: RT = 50Ω termination resistive load. When an input or output is being monitored by a scope, RTis supplied by the scope’s 50Ω input resistance. When

an input or output is not being monitored, an external 50

Ω resistance must be applied to serve as RT.

Note 19: The TTL TRI-STATE pull-up switch is connected to +7V only for ZL and LZ tests.

Note 20: TTL and ECL force signals are brought to the DUT via 50

Ω coax lines.

Note 21: VTTL is decoupled to ground with 0.1 µF, VEE is decoupled to ground with 0.01 µF and VCC is connected to ground.

FIGURE 3. ECL-to-TTL AC Test Circuit

DS100306-11

Note: DIR is LOW, OE is HIGH

FIGURE 4. ECL-to-TTL Transition — Propagation Delay and Transition Times

100329F Datasheet(PDF) 8 Page - National Semiconductor (TI)

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