Datasheet

43
32072SH–AVR32–10/2012
AT32UC3A3
7.4 Regulator characteristics
Table 7-2. Normal I/O Pin Characteristics
Symbol Parameter Conditions drive x2 drive x2 drive x3 Unit
f
MAX
Output frequency
10pf 40 66 100 MHz
30pf 18.2 35.7 61.6 MHz
60pf 7.5 18.5 36.3 MHz
t
RISE
Rise time
10pf 2.7 1.4 0.9 ns
30pf 6.9 3.5 1.9 ns
60pf 13.4 6.7 3.5 ns
t
FALL
Fall time
10pf 3.2 1.7 0.9 ns
30pf 8.6 4.3 2.26 ns
60pf 16.5 8.3 4.3 ns
Table 7-3. Electrical Characteristics
Symbol Parameter Conditions Min. Typ. Max. Unit
V
VDDIN
Supply voltage (input) 3.0 3.3 3.6 V
V
VDDCORE
Supply voltage (output) 1.75 1.85 1.95 V
I
OUT Maximum DC output current VVDDIN = 3.3V 100 mA
Table 7-4. Decoupling Requirements
Symbol Parameter Conditions Typ. Technology Unit
C
IN1
Input Regulator Capacitor 1 1 NPO nF
C
IN2
Input Regulator Capacitor 2 4.7 X7R µF
C
OUT1
Output Regulator Capacitor 1 470 NPO pF
C
OUT2
Output Regulator Capacitor 2 2.2 X7R µF