Microchip Technology DM183037 Data Sheet

 2012 Microchip Technology Inc.

DS30575A-page 639

Operating Conditions: -40°C <T

A

 < +85°C

D313

V

USB

3V3

USB Voltage

3

—

3.6

V

Voltage on V

USB

3V3

 pin 

must be in this range for 
proper USB operation

D314

I

IL

Input Leakage on Pin

—

—

±1

µA

V

SS

 < V

PIN

 < V

DD

 pin at 

high-impedance

D318

V

DIFS

Differential Input Sensitivity

—

—

0.2

V

The difference between D+ 
and D- must exceed this 
value while VCM is met

D319

V

CM

Differential Common-Mode
Range

0.8

—

2.5

V

D320

Z

OUT

Driver Output Impedance

28

—

44

Ω

D321

V

OL

Voltage Output Low

0

—

0.3

V

1.5 kΩ load connected to 
3.6V

D322

V

OH

Voltage Output High

2.8

—

3.6

V

1.5 kΩ load connected to
ground

The D+ and D- signal lines have built-in impedance matching resistors. No external resistors, capacitors 
or magnetic components are necessary on the D+/D- signal paths between the PIC18F97J94 family 
device and a USB cable.