Datasheet

PIC32MX330/350/370/430/450/470
DS60001185C-page 284  2012-2013 Microchip Technology Inc.
30.2 AC Characteristics and Timing
Parameters
The information contained in this section defines
PIC32MX330/350/370/430/450/470 AC characteristics
and timing parameters.
FIGURE 30-1: LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS
FIGURE 30-2: EXTERNAL CLOCK TIMING
VDD/2
C
L
RL
Pin
Pin
V
SS
VSS
CL
RL =464
C
L = 50 pF for all pins
50 pF for OSC2 pin (EC mode)
Load Condition 1
– for all pins except OSC2 Load Condition 2 – for OSC2
TABLE 30-16: CAPACITIVE LOADING REQUIREMENTS ON OUTPUT PINS
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C  TA  +85°C for Industrial 
-40°C  TA  +105°C for V-temp
Param.
No.
Symbol Characteristics Min. Typical
(1)
Max. Units Conditions
DO50 COSCO OSC2 pin — — 15 pF
In XT and HS modes when an
external crystal is used to drive
OSC1
DO50a CSOSC SOSCI/SOSCO pins — 33 — pF
Epson P/N: MC-306 32.7680K-
A0:ROHS
DO56 CIO All I/O pins and OSC2 — — 50 pF EC mode
DO58 CB SCLx, SDAx — — 400 pF In I
2
C™ mode
Note 1: Data in “Typical” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only
and are not tested.
OSC1
OS20
OS30
OS30
OS31
OS31