IDTCV109E
CLOCK GENERATOR FOR DESKTOP PC PLATFORMS
COMMERCIAL TEMPERATURE RANGE
ELECTRICAL CHARACTERISTICS, 48MHZ, USB AND VCH
Following Conditions Apply Unless Otherwise Specified:
Operating Condition: TA = 0°C to +70°C, Supply Voltage: VDD = 3.3V ± 5%; CL = 10 - 20pF
Symbol Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ppm
Long Accuracy(1,2)
See Tperiod Min. - Max. values
—
—
300
ppm
TPERIOD
Clock Period(2)
48MHz output nominal
20.8271
—
20.8396
ns
VOH
Output HIGH Voltage
IOH = -1mA
2.4
—
—
V
VOL
Output LOW Voltage
IOL = 1mA
—
—
0.55
V
IOH
Output HIGH Current
VOH at Min. = 1V
-33
—
—
mA
VOH at Max. = 3.135V
—
—
-33
IOL
Output LOW Current
VOL at Min. = 1.95V
30
—
—
mA
VOL at Max. = 0.4V
—
—
38
Edge Rate(1)
Rising edge rate
1
—
2
V/ns
Edge Rate(1)
Falling edge rate
1
—
2
V/ns
tR1
Rise Time(1)
VOL = 0.4V, VOH = 2.4V
1
—
2
ns
tF1
Fall Time(1)
VOL = 0.4V, VOH = 2.4V
1
—
2
ns
dT1
tJCYC-CYC
Duty Cycle(1)
Jitter(1)
VT = 1.5V
45
—
55
%
—
—
350
ps
NOTES:
1. This parameter is guaranteed by design, but not 100% production tested.
2. All long term accuracy and clock period specifications are guaranteed with the assumption that the REF output is at 14.31818MHz.
ELECTRICAL CHARACTERISTICS, DOT 48MHZ
Following Conditions Apply Unless Otherwise Specified:
Operating Condition: TA = 0°C to +70°C, Supply Voltage: VDD = 3.3V ± 5%; CL = 10 - 20pF
Symbol Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ppm
Long Accuracy(1,2)
See Tperiod Min. - Max. values
—
—
300
ppm
TPERIOD
Clock Period(2)
48MHz output nominal
20.8271
—
20.8396
ns
VOH
Output HIGH Voltage
IOH = -1mA
2.4
—
—
V
VOL
Output LOW Voltage
IOL = 1mA
—
—
0.55
V
IOH
Output HIGH Current
VOH at Min. = 1V
-33
—
—
mA
VOH at Max. = 3.135V
—
—
-33
IOL
Output LOW Current
VOL at Min. = 1.95V
30
—
—
mA
VOL at Max. = 0.4V
—
—
38
Edge Rate(1)
Rising edge rate
2
—
4
V/ns
Edge Rate(1)
Falling edge rate
2
—
4
V/ns
tR1
Rise Time(1)
VOL = 0.4V, VOH = 2.4V
0.5
—
1
ns
tF1
Fall Time(1)
VOL = 0.4V, VOH = 2.4V
0.5
—
1
ns
dT1
Duty Cycle(1)
VT = 1.5V
45
—
55
%
tJCYC-CYC
Jitter(1)
—
—
350
ps
NOTES:
1. This parameter is guaranteed by design, but not 100% production tested.
2. All long term accuracy and clock period specifications are guaranteed with the assumption that the REF output is at 14.31818MHz.
18