HD74ALVCH16269 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74ALVCH16269

12-bit to 24-bit Registered Bus Exchanger with 3-state Outputs

Hitachi -> Renesas Electronics 

Waveforms – 3

Output

Control

CLK

tr

tf

10 %

90 % 90 %

Vref

10 %

HD74ALVCHR162269A

VIH

GND

VIH

Vref

GND

Waveform - A

Waveform - B

tZL

Vref

tZH

Vref

tLZ

VOL + 0.3 V

tHZ

VOH – 0.3 V

≈VOH1

VOL

VOH

≈VOL1

TEST

VIH

Vref

VOH1

VOL1

Vcc=2.5±0.2V

2.3 V

1.2 V

2.3 V

GND

Vcc=2.7V,

3.3±0.15V

2.7 V

1.5 V

3.0 V

GND

Note: 1. All input pulses are supplied by generators having the following characteristics: PRR ≤

10MHz, Zo = 50Ω, tr ≤ 2.5ns, tf ≤ 2.5ns.

2. Waveform – A is for an output with internal conditions such that the output is low except

when disabled by the output control.

3. Waveform – B is for an output with internal conditions such that the output is high except

when disabled by the output control.

4. The outputs are measured one at a time with one transition per measurement.

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