PD671xxx - 8 / 12 / 24-Channel PoE AF and AT DIMM

Data Sheet (Non-confidential)

Copyright © 2009

Microsemi

Page 5

Rev. 1.0 / 17-March-10

Analog Mixed Signal Group

2381 Morse Avenue, Irvine, CA 92614, USA; Within the USA: (800) 713-4113, Outside the USA: (949) 221-7100 Fax: (949) 756-0308

Electrical Characteristics _________________________________

The following sections detail the DC and analog characteristics.

DC Characteristics for Digital Inputs and Outputs

PARAMETER

SYMBOL

MIN.

MAX.

UNIT

R EMARK S

Pin Name

SCL, xDisable_Ports, Rx (without internal pull-up/pull-down resistor)

Type

Schmitt Trigger CMOS input, TTL level

High level input voltage

2.0

V

Low level input voltage

0.8

V

Input voltage hysteresis

0.3

V

Input high current

-1

+1

μA

Input low current

-1

+1

μA

Pin Name

MOSI, MISO, CS, Tx (without internal pull-up/down resistor)

SCK (with internal resistor)

Type

CMOS I/O, TTL level

High level input voltage

2.0

V

Low level input voltage

0.8

V

Input voltage hysteresis

0.3

V

Input high current

-1

+1

μA

Input low current

-1

+1

μA

High level output voltage

V

Low level output voltage

0.4

V

Tri state output current

-1

+1

μA

Pin Name

xAsic_Reset (with internal resistor)

SDA (without internal resistor)

Type

CMOS open drain output with Schmitt Trigger input, TTL level

High level input voltage

2.0

V

Low level output voltage

0.4

V

Low level input voltage

0.8

V

Input voltage hysteresis

0.3

V

OFF state output current

-1

+1

μA

Electrical Characteristics for Analog I/O Pads

PARAMETER

MIN

MAX

UNIT

R EMARK S

Pin Name

VPORT_POSx

Operating voltage

44

62

V

Pin current consumption

-5

+10

μA

Port driver, Vport measurement and AC generator are

off

Pin Name

VPORT_NEGx

Operating voltage

0

Vmain

V

Pin current consumption

-5

+10

μA

Pin Name

Vmain

Operating voltage – AF mode

40

57

V

Recommended Range 48v to 55v

Operating voltage – AT mode

50

57

V

Recommended Range 51v to 55v

40

mA

Pin Name

3_3Vout

Voltage

3.13

3.46

V

6

mA

Without external NPN (see Q1 in Figure 8)

Output current

30

mA