
9
Integrated
Circuit
Systems, Inc.
ICS954101
0815G—12/02/08
Electrical C haracteristics - PC IC LK /PCIC LK _F
TA = 0 - 70°C; VDD = 3.3 V +/-5% ; CL = 30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Notes
Long Accuracy
ppm
see Tperiod min-max values
-300
300
ppm
1,2
33.33MHz output nominal
29.99100
30.00900
ns
2
33.33MHz output spread
29.99100
30.15980
ns
2
33.33MHz output nominal
29.49100
30.50900
ns
2
33.33MHz output spread
29.49100
30.65980
ns
2
Clk High Time
th1
12
N/A
ns
1
Clock Low Time
tl1
12
N/A
ns
1
Output High Voltage
VOH
IOH = -1 mA
2.4
V
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
V OH @MIN = 1.0 V
-33
mA
VOH@ MAX = 3.135 V
-33
mA
VOL @ MIN = 1.95 V
30
mA
VOL @ MAX = 0.4 V
38
mA
Edge Rate
Rising edge rate
1
4
V/ns
1
Edge Rate
Falling edge rate
1
4
V/ns
1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
0.5
2
ns
1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
0.5
2
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
55
%
1
Skew
tsk1
VT = 1.5 V
500
ps
1
Jitter
tjcyc-cyc
VT = 1.5 V
500
ps
1
1Guaranteed by design, not 100% tested in production.
2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFoutput is at 14.31818MHz
Output Low Current
IOL
Absolute Min/Max Clock
period
Tabs
Clock period
Tperiod
Output High Current
IOH
Electrical Characteristics - U SB_48MH z
TA = 0 - 70°C; VDD = 3.3 V +/-5% ; CL = 20 pF (unless otherwise specified)
PA RAME TER
SYMB OL
CONDITIONS
MIN
TY P
M AX
UNITS
Notes
Long Acc uracy
ppm
see Tperiod min-m ax values
-100
100
ppm
1,2
Clock period
Tperiod
48.0000M Hz output nom inal
20.82570
20.83400
ns
2
A bsolute Min/M ax Clock
period
Tabs
Nominal
20.48125
21.18542
ns
2
Clk High Time
th1
8.094
10.036
ns
1
Cloc k Low Time
tl1
7.694
9.836
ns
1
V OH @ MIN = 1.0 V
-33
mA
V OH@ MAX = 3.135 V
-33
mA
VOL @MIN = 1.95 V
30
mA
VOL @ MAX = 0.4 V
38
mA
E dge Rate
Rising edge rate
1
2
V/ns
1
E dge Rate
Falling edge rate
1
2
V/ns
1
Rise Tim e
tr1
VOL = 0.4 V, VOH = 2.4 V
1
1.4
2
ns
1
Fall Tim e
tf1
VOH = 2.4 V, VOL = 0.4 V
1
1.3
2
ns
1
Duty Cy cle
dt1
V T = 1.5 V
454855
%
1
Jitter, Cycle to cycle
tjcyc-cyc
V T = 1.5 V
350
ps
1
1Guaranteed by design, not 100% tested in production.
2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFoutput is at 14.31818MHz
Output Low Current
IOL
Output High Current
IOH