HD74LVCR2245A Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74LVCR2245A

Octal Bidirectional Transceivers with 3–state Outputs

Hitachi -> Renesas Electronics 

(VCC = 1.8±0.15 V, VCC = 2.5±0.2 V)

• Waveforms – 1

tr

Input

10 %

90 %

50% VCC

tPLH

In phase output

HD74LVCR2245A

tf

90 %

50% VCC

10 %

tPHL

50% VCC

50% VCC

VCC

GND

VOH

VOL

• Waveforms – 2

tf

90 %

OE

50% VCC

10 %

tZL

Waveform – A

Waveform – B

50% VCC

tZH

50% VCC

tr

10 %

90 %

50% VCC

tLZ

VOL + 0.15 V

tHZ

VOH – 0.15 V

VCC

GND

≈VCC

VOL

VOH

≈GND

Notes: 1. Input waveform : PRR = 10 MHz, duty cycle 50%, tr = 2.0 ns, tf = 2.0 ns

2. Waveform – A shows input conditions such that the output is “L” level

when enabled by the output control.

3. Waveform – B shows input conditions such that the output is “H” level

when enabled by the output control.

9

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