100328F datasheet(8/12 Pages) NSC

Part #	100328F

Description	Low Power Octal ECL/TTL Bi-Directional Translator with Latch

PDF	12 Pages

Scroll/Zoom	100%

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)

DS100295-10

Note 20: Rt =50Ω termination. When an input or output is being monitored by a scope, Rt is supplied by the scope’s 50Ω resistance. When an input or output is

not being monitored, an external 50

Ω resistance must be applied to serve as Rt.

Note 21: The TTL TRI-STATE pull up switch is connected to +7V only for ZL and LZ tests.

Note 22: TTL and ECL force signals are brought to the DUT via 50

Ω coax lines.

Note 23: 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

DS100295-11

Note 24: DIR is LOW, and OE is HIGH

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

100328F Datasheet(PDF) 8 Page - National Semiconductor (TI)

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