74VHC161284CM データシートの表示（PDF） - Fairchild Semiconductor

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74VHC161284CM

IEEE 1284 Transceiver

Fairchild Semiconductor 

AC Loading and Waveforms

Pulse Generator for all pulses: Rate ≤ 1.0 MHz; ZO ≤ 50Ω; tf ≤ 2.5 ns, tr ≤ 2.5 ns.

FIGURE 1. tPHL Test Load and Waveforms

A1–A8 to B1–B8

A9–A13 to Y9–Y13

PLHIN to PLH

FIGURE 2. tPLH, tpEn, tpDisTest Load and Waveforms

A1–A8 to B1–B8, A9–A13 to Y9–Y13

PLHIN to PLH, HD to B1–B8, Y9–Y13, PLH

FIGURE 3. tPHL, tPLH Test Load and Waveforms

B1–B8 to A1–A8, C14–C17 to A14–A17, HLHIN to HLH

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