DS1862 datasheet(3/42 Pages) MAXIM

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XFP Laser Control and Digital Diagnostic IC

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DC ELECTRICAL CHARACTERISTICS

(VCC3 = +2.9V to +5.5V, VCC2 = +1.6V to +3.6V, TA = -40°C to +100°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current

ICC3

P-DOWN/RST = 1

High-Level Output Voltage

(FETG)

VOH

IOH (max) = -2mA

VCC3 -

0.5

Low-Level Output Voltage

(MOD-NR,

INTERRUPT, SDA,

and FETG)

VOL

IOL (max) = 3mA

0.4

Resistor (Pullup)

RPU

912

Ω

I/O Capacitance

CI/O

(Note 4)

Leakage Current

-10

+10

µA

Leakage Current (SCL, SDA)

-10

+10

µA

Digital Power-On Reset

POD

1.0

2.2

Analog Power-On Reset

POA

2.0

2.6

DC ELECTRICAL CHARACTERISTICS—INTERFACE SIGNALS TO SIGNAL CONDITIONERS

(VCC2 = +1.6V to +3.6V, VCC3 = +2.9V to +5.5V, TA = -40°C to +100°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

High-Level Input Voltage

(SC-RX-LOS, SC-RX-LOL,

and SC-TX-LOS)

VIH

IIH (max) = 100µA

0.7 x

VCC2

VCC2 +

0.1

Low-Level Input Voltage

(SC-RX-LOS, SC-RX-LOL,

and SC-TX-LOS)

VIL

IIL (max) = -100µA

0.3 x

VCC2

VOH

IOH (max) = -0.7mA

VCC2 -

0.2

VOH2

VCC2 = 2.5V to 3.6V

IOH (max) = -2mA

VCC2 -

0.4

High-Level Output Voltage

(EN1 and EN2)

VOH3

VCC2 = 1.6V

IOH (max) = -0.7mA

VCC2 -

0.2

VOL

IOL (max) = 0.7mA

0.20

Low-Level Output Voltage

(EN1, EN2, and RX-LOS)

VOL2

VCC2 = 2.5V to 3.6V

IOL (max) = 2mA

0.40

Leakage Current

(SC-RX-LOS, SC-RX-LOL

and SC-TX-LOS, RX-LOS)

-10

+10

µA

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