PAC5225
Power Application Controller
15.4. Electrical Characteristics
Table 29. Clock Control System Electrical Characteristics
(VSYS = VCCIO = 5V, VCC33 = 3.3V, VCC18 = 1.8V, and TA = -40°C to 105°C unless otherwise specified.)
UNI
T
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
Clock Tree (FRCLK, FCLK, HCLK, and ACLK)
fFRCLK
fFCLK
fHCLK
fACLK
Free running clock frequency
Fast clock frequency
50
100
50
MHz
MHz
MHz
MHz
High-speed clock frequency
Auxiliary clock frequency
100
Internal Oscillators
Frequency setting = 11b
7.5
9.6
13.8
25.7
4
Frequency setting = 10b
Frequency setting = 01b
Frequency setting = 00b
TA = 25°C
fROSC
Ring oscillator frequency
MHz
3.96
3.90
4.04
4.06
fTRIM
Trimmed RC oscillator frequency
Trimmed RC oscillator clock jitter
MHz
%
TA = -40°C to 105°C
TA = -40°C to 85°C
4
0.5
Crystal Oscillator Driver
0.65•VCC18
VIH;XIN
VIL;XIN
fXTAL
XIN high-level input voltage
V
V
0.35•VCC18
XIN low-level input voltage
Crystal oscillator frequency range
2
10
MHz
fXTAL = 2MHz to 3MHz
fXTAL = 3MHz to 6MHz
fXTAL = 6MHz to 10MHz
fXTAL = 2MHz to 3MHz
fXTAL = 3MHz to 6MHz
fXTAL = 6MHz to 10MHz
25
20
16
Recommended capacitive load
External circuit ESR
pF
Ω
1000
400
100
External Clock Input
fEXTCLK
External clock input frequency range
40
MHz
ns
tHIGH;EXTCLK External clock high time
tLOW;EXTCLK External clock low time
10
10
ns
PLL
fINPLL
fOUTPLL
PLL input frequency range
PLL output frequency range
PLL settling time
2
25
MHz
MHz
ms
3.5
100
0.5
30
RMS
PLL period jitter
ps
Peak to peak
±150
- 52 -
Rev 2.0‒September 22, 2017
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
