CXB1581Q Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXB1581Q

Fibre Channel Transmitter

Sony Semiconductor 

CXB1581Q

3. Power supply

Power can be supplied to the CXB1581Q by either a single 3.3V power supply or a dual 3.3V/5V power supply.

When a TTL output high level of 2.2V is sufficient (for example, when only interfacing with a 3.3V CMOS), use

a single 3.3V power supply. When a TTL output high level of greater than 2.2V is required (for example, when

interfacing with a 5V TTL/CMOS), use a dual 3.3V/5V power supply.

VCCT5 VCCT3

VCCE VCCG

VCCP

3.3V

3mH

3mH

22µF 0.1µF

22µF 0.1µF

22µF 0.1µF

VEET

VEEE VEEG

(a) Single 3.3V power supply

VEEP1 VEEP2

VCCT5

VCCE VCCG

VCCP

5.0V

3mH

22µF 0.1µF

3.3V 22µF 0.1µF

22µF 0.1µF

VEET

VEEE VEEG

VEEP1 VEEP2

(b) Dual 3.3V/5V power supply

Fig. 3. Power Supply Circuits

– 19 –

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