CXB1586AR Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXB1586AR

10Bit 1.0625Gbaud Transceiver

Sony Semiconductor 

CXB1586AR

3. High-speed ECL differential input

The high-speed ECL differential input pins are biased to VBB (VCC–1.3V) via a 18 kΩ resistor in the IC.

See the figures below for ECL differential input methods.

VCC=3.3V, VEE=GND

VCC=3.3V, VEE=GND

VBB (VCC–1.3V)

3.3V ECL output buffer

160Ω

160Ω

ECL differential input buffer

(a) ECL differential signal from 3.3V ECL output buffer

VCC=GND, VEE=–4.5V

0.01µF

VCC=3.3V, VEE=GND

VBB (VCC–1.3V)

ECL 100K output buffer

330Ω

0.01µF

330Ω

VEE

ECL differential input buffer

(b) ECL differential signal from ECL 100K output buffer

75Ω

TRANS.

LINE

0.01µF

0.01µF

75Ω

75Ω

VCC=3.3V, VEE=GND

VBB (VCC–1.3V)

ECL differential input buffer

(c) differential signal from 75Ω transmission line (AC/DC termination)

75Ω

TRANS.

LINE

0.01µF

0.01µF

75Ω

75Ω

0.01µF

VCC=3.3V, VEE=GND

VBB (VCC–1.3V)

ECL differential input buffer

(d) differential signal from 75Ω transmission line (AC termination)

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