Microchip Technology DV320032 데이터 시트
PIC32MX330/350/370/430/450/470
DS60001185C-page 284
2012-2013 Microchip Technology Inc.
30.2
AC Characteristics and Timing
Parameters
Parameters
The information contained in this section defines
PIC32MX330/350/370/430/450/470 AC characteristics
and timing parameters.
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
V
DD
/2
C
L
R
L
Pin
Pin
V
SS
V
SS
C
L
R
L
= 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
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial
-40°C
T
A
+105°C for V-temp
Param.
No.
Symbol
Characteristics
Min.
Typical
(1)
Max. Units
Conditions
DO50
C
OSCO
OSC2 pin
—
—
15
pF
In XT and HS modes when an
external crystal is used to drive
OSC1
external crystal is used to drive
OSC1
DO50a C
SOSC
SOSCI/SOSCO pins
—
33
—
pF
Epson P/N: MC-306 32.7680K-
A0:ROHS
A0:ROHS
DO56
C
IO
All I/O pins and OSC2
—
—
50
pF
EC mode
DO58
C
B
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