HD74ALVCH16374 Datasheet, PDF(8/10 Page) Hitachi Semiconductor – 16-bit D-type Flip Flops with 3-state Outputs

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HD74ALVCH16374 Datasheet, PDF (8/10 Pages) Hitachi Semiconductor – 16-bit D-type Flip Flops with 3-state Outputs

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HD74ALVCH16374

Waveforms â 2

Input CK

Input D

90 % 90 %

Vref

10 %

tsu

Vref

Waveforms â 3

VIH

GND

VIH

GND

Input G

90 %

Vref

10 %

Waveform - A

Waveform - B

tZL

Vref

tZH

Vref

90 %

Vref

10 %

tLZ

tHZ

VOL + 0.3 V

VOH â 0.3 V

VIH

GND

âVOH1

VOL

VOH

âVOL1

TEST

VIH

Vref

VOH1

VOL1

Vcc=2.5Â±0.2V

2.3 V

1.2 V

2.3 V

GND

Vcc=2.7V,

3.3Â±0.3V

2.7 V

1.5 V

3.0 V

GND

Notes:

1. tr = 2.5 ns, tf = 2.5 ns

2. Input waveform : PRR = 10 MHz, duty cycle 50%.

3. WaveformâA shows input conditions such that the output is "L" level when enable by the

output control.

4. WaveformâB shows input conditions such that the output is "H" level when enable by the

output control.

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