_______________________________________________________________________________________ 5

1Gbps to 11.3Gbps, SFP+ Laser Driver

with Laser Impedance Mismatch Tolerance

ELECTRICAL CHARACTERISTICS (continued)

noted.) (Note 2)

pattern at 11.3Gbps.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CONTROL I/O SPECIFICATIONS

DISABLE Input Current

12

F

A

Depends on pullup resistance

500

800

DISABLE Input High Voltage

1.8

V

DISABLE Input Low Voltage

0

0.8

V

DISABLE Input Resistance

Internal pullup resistor

4.7

7.5

10

kI

3-WIRE DIGITAL I/O SPECIFICATIONS (SDA, SCL, CSEL)

Input High Voltage

2.0

V

Input Low Voltage

0.8

V

Input Hysteresis

80

mV

Input Leakage Current

pulldown is 75kI typical

150

F

A

Output High Voltage

V

Output Low Voltage

0.4

V

3-WIRE DIGITAL INTERFACE TIMING CHARACTERISTICS (Figure 5)

SCL Clock Frequency

400

1000

kHz

SCL Pulse-Width High

0.5

F

s

SCL Pulse-Width Low

0.5

F

s

SDA Setup Time

100

ns

SDA Hold Time

100

ns

SCL Rise to SDA Propagation

Time

5

ns

CSEL Pulse-Width Low

500

ns

CSEL Leading Time Before the

First SCL Edge

500

ns

CSEL Trailing Time After the Last

SCL Edge

500

ns

SDA, SCL Load

Total bus capacitance on one line with

20

pF