HD74ALVCH16374 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74ALVCH16374

16-bit D-type Flip Flops with 3-state Outputs

Hitachi -> Renesas Electronics 

HD74ALVCH16374

Waveforms – 2

Input CK

Input D

tr

tf

90 % 90 %

Vref

Vref

Vref

10 %

10 %

tw

tw

tsu

th

Vref

Vref

Waveforms – 3

VIH

GND

VIH

GND

tf

tr

Input G

90 %

Vref

10 %

Waveform - A

Waveform - B

tZL

Vref

tZH

Vref

90 %

Vref

10 %

tLZ

tHZ

VOL + 0.3 V

VOH – 0.3 V

VIH

GND

≈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±0.3V

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. Waveform–A shows input conditions such that the output is "L" level when enable by the

output control.

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

output control.

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