ICS9UMS9633BI
Advance Information
ULTRA MOBILE PC CLOCK FOR INDUSTRIAL TEMPERATURE RANGE
AC Electrical Characteristics - Input/Common Parameters
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
1.8
UNITS
Notes
1
From VDD Power-Up or de-
assertion of PD# to 1st clock
SRC output enable after
CR# assertion
Clk Stabilization
TSTAB
ms
ns
us
ns
Tdrive_SRC
Tdrive_PD#
Tdrive_CPU
TDRSRC
TDRPD
15
300
10
1
1
1
Differential output enable after
PD# de-assertion
CPU output enable after
CPU_STOP# de-assertion
TDRSRC
Tfall_PD#
TFALL
TRISE
5
5
ns
ns
1
1
Fall/rise time of PD# and
CPU_STOP# inputs
Trise_PD#
AC Electrical Characteristics - Low Power Differential Outputs
PARAMETER
Rising Edge Slew Rate
Falling Edge Slew Rate
Rise/Fall Time Variation
Maximum Output Voltage
Minimum Output Voltage
Differential Voltage Swing
Crossing Point Voltage
Crossing Point Variation
Duty Cycle
SYMBOL
CONDITIONS
MIN
MAX
6
UNITS
V/ns
V/ns
ps
NOTES
tSLR
Differential Measurement
Differential Measurement
Single-ended Measurement
Includes overshoot
0.5
1,2
tFLR
0.5
6
1,2
tSLVAR
125
1150
1
VHIGH
mV
mV
mV
mV
mV
%
1
VLOW
Includes undershoot
-300
300
300
1
VSWING
VXABS
VXABSVAR
DCYC
Differential Measurement
Single-ended Measurement
Single-ended Measurement
Differential Measurement
Differential Measurement
Differential Measurement
Differential Measurement
Differential Measurement
Differential Measurement
1
550
140
55
1,3,4
1,3,5
45
1
1
1
1
1
1
CPU Jitter - Cycle to Cycle
SRC Jitter - Cycle to Cycle
DOT Jitter - Cycle to Cycle
CPU[2:0] Skew
CPUJC2C
SRCJC2C
DOTJC2C
CPUSKEW10
SRCSKEW
85
ps
125
250
100
250
ps
ps
ps
SRC[2:0] Skew
ps
Electrical Characteristics - REF-14.318MHz
PARAMETER
SYMBOL
CONDITIONS
see Tperiod min-max values
14.318MHz output nominal
14.318MHz output nominal
IOH = -1 mA
MIN
-300
MAX
300
UNITS
ppm
ns
Notes
Long Accuracy
ppm
1,2
2
Clock period
Tperiod
Tabs
69.8203
69.8203
2.4
69.8622
70.86224
Absolute min/max period
Output High Voltage
Output Low Voltage
ns
2
VOH
V
1
VOL
IOL = 1 mA
0.4
-33
V
1
VOH @MIN = 1.0 V,
VOH@MAX = 3.135 V
VOL @MIN = 1.95 V,
Output High Current
Output Low Current
IOH
-33
30
mA
mA
1
1
IOL
38
VOL @MAX = 0.4 V
Rising Edge Slew Rate
Falling Edge Slew Rate
Duty Cycle
tSLR
tFLR
Measured from 0.8 to 2.0 V
Measured from 2.0 to 0.8 V
VT = 1.5 V
1
1
4
4
V/ns
V/ns
%
1
1
1
1
dt1
45
55
Jitter
tjcyc-cyc
VT = 1.5 V
1000
ps
IDTTM/ICSTM Ultra Mobile PC Clock for Industrial Temperature Range
1451—01/20/09
9
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
