Datasheet

PIC18F87J50 FAMILY
DS39775C-page 434 © 2009 Microchip Technology Inc.
TABLE 28-5: USB MODULE SPECIFICATIONS
Operating Conditions: -40°C < TA < +85°C (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
D313 V
USB USB Voltage 3.0 — 3.6 V Voltage on VUSB pin must
be in this range for proper
USB operation
D314 IIL Input Leakage on pin — — ±1 μAVSS < VPIN < VDD pin at
high impedance
D315 V
ILUSB Input Low Voltage for USB
Buffer
——0.8 VFor VUSB range
D316 V
IHUSB Input High Voltage for USB
Buffer
2.0 — — V For VUSB range
D318 V
DIFS Differential Input Sensitivity — — 0.2 V The difference between
D+ and D- must exceed
this value while V
CM is
met
D319 V
CM Differential Common Mode
Range
0.8 — 2.5 V
D320 Z
OUT Driver Output Impedance
(1)
28 — 44 Ω
D321 VOL Voltage Output Low 0.0 — 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
Note 1: 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 PIC18F87J10 family device
and USB cable.