MAX3946ETG 데이터 시트보기 (PDF) - Maxim Integrated

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MAX3946ETG

1Gbps to 11.3Gbps, SFP+ Laser Driver with Laser Impedance Mismatch Tolerance

Maxim Integrated 

1Gbps to 11.3Gbps, SFP+ Laser Driver

with Laser Impedance Mismatch Tolerance

Typical Operating Characteristics (continued)

(VCC = +3.3V, TA = +25°C, data pattern = 27 - 1 PRBS + 72 zeros + 27 - 1 PRBS (inverted) +72 ones, unless otherwise noted.)

TRANSMITTER DISABLE

MAX3946 toc18

VCC

VCC

3.3V

FAULT

DISABLE

OUTPUT

LOW

HIGH

LOW

100ns/div

FAULT

DISABLE

OUTPUT

TRANSMITTER ENABLE

MAX3946 toc19

3.3V

t_ON = 600ns

LOW

VBIAS

FAULT

HIGH

LOW

1µs/div

DISABLE

OUTPUT

RESPONSE TO FAULT

MAX3946 toc20

EXTERNAL FAULT

HIGH

LOW

1µs/div

VBIAS

FAULT

DISABLE

OUTPUT

FAULT RECOVERY

MAX3946 toc21

EXTERNAL FAULT

REMOVED

LOW

HIGH

LOW

4µs/div

FREQUENT ASSERTION OF DISABLE

MAX3946 toc22

VBIAS

EXTERNAL FAULT

FAULT

DISABLE

HIGH

LOW

HIGH

LOW

OUTPUT

4µs/div

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