ICS9LPRS436CKILF Datasheet, PDF (9/20 Pages) Integrated Device Technology – Low Power Clock for Intel Atom®-Based Systems

ICS9LPRS436C
Low Power Clock for Intel Atom^®-Based Systems
AC Electrical Characteristics - Input/Common Parameters
PARAMETER
Clk Stabilization
SYMBOL
CONDITIONS
MIN
T_STAB
From VDD Power-Up or de-assertion of PD to
1st clock
Tdrive_PEREQ_off
Tdrive_PEREQ_on
Tdrive_CPU
Tdrive_PCIEX
T_DRPEROFF
T_DRPERON
T_DRSRC
T_DRPCIEX
Output stop after PEREQ# deasserted
Output run after PEREQ# asserted
CPU output enable after
CPU_STOP# de-assertion
PCIEX output enable after
PCI&PCIEX_STOP# de-assertion
Tfall_SE
Trise_SE
Tdrive_PD#
T_FALL
T_RISE
T_DRPD
Fall/rise time of all 3.3V control inputs from
20-80%
Differential output enable after
PD# de-assertion
TYP
MAX
1.8
3
3
10
UNITS Notes
ms
clocks
clocks
ns
15
ns
1
10
ns
10
ns
300
us
1
AC Electrical Characteristics - CPU, PCIEX, SATA, DOT96MHz
PARAMETER
Rising Edge Slew Rate
Falling Edge Slew Rate
Slew Rate Variation
Maximum Output Voltage
Minimum Output Voltage
SYMBOL
tSLR
tFLR
tSLVAR
VHIGH
VLOW
CONDITIONS
Differential Measurement
Differential Measurement
Single-ended Measurement
Includes overshoot
Includes undershoot
Differential Voltage Swing
Crossing Point Voltage
Crossing Point Variation
Duty Cycle
CPU Jitter - Cycle to Cycle
SRC Jitter - Cycle to Cycle
SATA Jitter - Cycle to Cycle
DOT Jitter - Cycle to Cycle
VSWING
VXABS
VXABSVAR
DCYC
CPUJC2C
SRCJC2C
SATAJC2C
DOTJC2C
Differential Measurement
Single-ended Measurement
Single-ended Measurement
Differential Measurement
Differential Measurement
Differential Measurement
Differential Measurement
Differential Measurement
CPU[1:0] Skew
CPU[2_ITP:0] Skew
SRC Skew
CPUSKEW10
CPUSKEW20
SRCSKEW
Differential Measurement
Differential Measurement
Differential Measurement
MIN TYP
2.5
2.5
-300
300
300
45
MAX
4
4
20
1150
550
140
55
85
125
125
250
100
150
250
UNITS NOTES
V/ns 1,2
V/ns 1,2
%
1
mV
1
mV
1
mV
1
mV 1,3,4
mV 1,3,5
%
1
ps
1
ps
1
ps
1
ps
1
ps
1,6
ps
1,6
ps
1
Electrical Characteristics - PCICLK/PCICLK_F
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Long Accuracy
R_DSP
ppm
V_O = V_DD*(0.5)
see Tperiod min-max values
Clock period
T_period
33.33MHz output no spread
33.33MHz output spread
Absolute min/max period
T_abs
33.33MHz output no spread
33.33MHz output nominal/spread
Output High Voltage
V_OH
I_OH = -1 mA
Output Low Voltage
V_OL
I_OL = 1 mA
Output High Current
I_OH
V _OH @MIN = 1.0 V
V_OH@MAX = 3.135 V
Output Low Current
I_OL
V_OL @ MIN = 1.95 V
V_OL @ MAX = 0.4 V
Rising Edge Slew Rate
t_SLR
Measured from 0.8 to 2.0 V
Falling Edge Slew Rate
t_FLR
Measured from 2.0 to 0.8 V
Duty Cycle
d_t1
V_T = 1.5 V
Pin to Pin Skew
t_skew
V_T = 1.5 V
Jitter, Cycle to cycle
t_jcyc-cyc
*T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L=5pF, Rs=22Ω (unless specified otherwise)
1 _{Guaranteed by design and characterization, not 100% tested in production.}
V_T = 1.5 V
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz}
3 _{Slew rate emastured through V_swing voltage range centered about differential zero}
4 _{Vcross is defined at the voltage where Clock = Clock#.}
5 _{Only applies to the differential rising edge (Clock rising, Clock# falling.)}
6 _{CPU group skew is nominally 0ps.}
MIN
12
-100
29.99700
30.08421
29.49700
29.56617
2.4
TYP
-33
30
1
1
45
MAX UNITS NOTES
55
Ω
1
100
ppm
2
30.00300 ns
2
30.23459 ns
2
30.50300 ns
2
30.58421 ns
2
V
1
0.4
V
1
mA
1
-33
mA
1
mA
1
38
mA
1
4
V/ns
1
4
V/ns
1
55
%
1
250
ps
1
500
ps
1
IDT^® Low Power Clock for Intel Atom^®-Based Systems
9
1561A — 06/01/10