PAC5250_17 Datasheet, PDF (52/70 Pages) Active-Semi, Inc – Power Application Controller

PAC5250
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.)
SYMBOL
PARAMETER
CONDITIONS
Clock Tree (FRCLK, FCLK, HCLK, and ACLK)
fFRCLK
Free running clock frequency
fFCLK
Fast clock frequency
fHCLK
High-speed clock frequency
fACLK
Auxiliary clock frequency
Internal Oscillators
fROSC
Ring oscillator frequency
fTRIM
Trimmed RC oscillator frequency
Trimmed RC oscillator clock jitter
Crystal Oscillator Driver
VIH;XIN
XIN high-level input voltage
VIL;XIN
XIN low-level input voltage
fXTAL
Crystal oscillator frequency range
Recommended capacitive load
External circuit ESR
External Clock Input
fEXTCLK External clock input frequency range
tHIGH;EXTCLK External clock high time
tLOW;EXTCLK External clock low time
PLL
fINPLL
PLL input frequency range
fOUTPLL PLL output frequency range
PLL settling time
PLL period jitter
Frequency setting = 11b
Frequency setting = 10b
Frequency setting = 01b
Frequency setting = 00b
TA = 25°C
TA = -40°C to 105°C
TA = -40°C to 85°C
fXTAL = 2MHz to 3MHz
fXTAL = 3MHz to 6MHz
fXTAL = 6MHz to 10MHz
fXTAL = 2MHz to 3MHz
fXTAL = 3MHz to 6MHz
fXTAL = 6MHz to 10MHz
RMS
Peak to peak
MIN
TYP
MAX
UNI
T
50
MHz
100 MHz
50
MHz
100 MHz
7.5
9.6
MHz
13.8
25.7
3.96
4
4.04
MHz
3.90
4
4.06
0.5
%
0.65•VCC18
V
0.35•VCC18
V
2
10
MHz
25
20
pF
16
1000
400
Ω
100
40
MHz
10
ns
10
ns
2
25
MHz
3.5
100 MHz
0.5
ms
30
ps
±150
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Rev 1.7‒April 15, 2016