HD74ALVCHS162830 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74ALVCHS162830

1-bit to 2-bit Address Driver with 3-state Outputs

Hitachi -> Renesas Electronics 

Waveforms – 1

Input

Output

tr

10 %

90 %

Vref

tPLH

HD74ALVCHS162830

tf

90 %

Vref

10 %

tPHL

Vref

Vref

VIH

GND

VOH

VOL

Waveforms – 2

Output

Control

tf

90 %

Vref

10 %

tZL

Waveform - A

Vref

tZH

Waveform - B

Vref

tr

10 %

90 %

Vref

tLZ

Vref1

tHZ

Vref2

VIH

GND

≈VOH1

VOL

VOH

≈VOL1

Notes:

TEST

VIH

Vref

Vref1

Vref2

VOH1

VOL1

Vcc=2.5±0.2V

VCC

Vcc=2.7V,

3.3±0.3V

2.7 V

1/2 VCC

1.5 V

VOL +0.15 V VOL +0.3 V

VOH–0.15 V VOH–0.3 V

VCC

3.0 V

GND

GND

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

PRR 10 MHz, Zo = 50 Ω , tr 2.0 ns, t f 2.0 ns. (VCC = 2.5±0.2 V)

PRR 10 MHz, Zo = 50 Ω , tr 2.5 ns, t f 2.5 ns. (VCC = 2.7 V, 3.3±0.3 V)

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 output are measured one at a time with one transition per measurement.

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