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932S421CFLF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
7
Integrated
Circuit
Systems, Inc.
ICS932S421C
1460E—08/25/09
Electrical Characteristics - CPU 0.7V Current Mode Differential Pair
PARAMETER SYMBOL CONDITIONS* MIN TYP MAX UNITS NOTES
Current Source Output
Im
p
edance
Zo VO = Vx 3000
Ω
1
Volta
g
e Hi
g
hVHi
g
h 660 850 mV 1,3
Volta
g
e Low VLow -150 150 mV 1,3
Max Volta
g
eVovs 1150mV1
Min Volta
eVuds -300 mV1
Crossin
g
Volta
g
e
(
abs
)
Vx
(
abs
)
250 550 mV 1
Crossing Voltage (var) d-Vx
Variation of crossing over all
ed
g
es
140 mV 1
Rise Time tr
V
OL
= 0.175V, V
OH
= 0.525V
175 525 ps 1
Fall Time tf
V
OL
= 0.175V, V
OH
= 0.525V
175 525 ps 1
Rise Time Variation d-tr
V
OL
= 0.175V, V
OH
= 0.525V
125 ps 1
Fall Time Variation d-tf
V
OL
= 0.175V, V
OH
= 0.525V
125 ps 1
Duty Cycle dt3
Measurement from differential
waveform
45 55 % 1
Skew tsk3
across all CPU outputs,
VT = 50%
50 ps 1
Jitter, Cycle to cycle
t
jcyc-cyc
Measurement from differential
waveform
50 ps 1
*T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
=2pF, R
S
=33.2
Ω
, R
P
=49.9
Ω, Ι
REF
= 475Ω
1
Guaranteed by design and characterization, not 100% tested in production.
2
All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is at 14.31818MHz
3
I
REF
= V
DD
/(3xR
R
). For R
R
= 475
Ω
(1%), I
REF
= 2.32mA. I
OH
= 6 x I
REF
and V
OH
= 0.7V @ Z
O
=50
Ω
.
Statistical measurement on
single ended signal
Measurement on single ended
signal using absolute value.
Electrical Characteristics - SRC 0.7V Current Mode Differential Pair
PARAMETER SYMBOL CONDITIONS* MIN TYP MAX UNITS Notes
Current Source Output
Im
p
edance
Zo VO = Vx 3000
Ω
1
Volta
g
e Hi
g
hVHi
g
h 660 850 mV 1,3
Volta
g
e Low VLow -150 150 mV 1,3
Max Volta
g
e Vovs 1150 mV 1
Min Volta
g
e Vuds -300 mV 1
Crossin
g
Volta
g
e
(
abs
)
Vx
(
abs
)
250 550 mV 1
Crossing Voltage (var) d-Vx
Variation of crossing over all
ed
g
es
140 mV 1
Rise Time tr VOL = 0.175V, VOH = 0.525V 175 525
p
s1
Fall Time tf VOH = 0.525V VOL = 0.175V 175 525
p
s1
Rise Time Variation d-tr VOL = 0.175V, VOH = 0.525V 125
p
s1
Fall Time Variation d-tf VOH = 0.525V VOL = 0.175V 125
p
s1
Duty Cycle dt3
Measurement from differential
waveform
45 55 % 1
Skew tsk3 VT = 50% 250
p
s1
Jitter, Cycle to cycle
t
jcyc-cyc
Measurement from differential
waveform
125 ps 1
*T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
=2pF, R
S
=33.2
Ω
, R
P
=49.9
Ω, Ι
REF
= 475Ω
1
Guaranteed b
y
desi
g
n and characterization, not 100% tested in production.
2
All Lon
g
Term Accurac
y
and Clock Period specifications are
g
uaranteed assumin
g
that REF is at 14.31818MHz
3
I
REF
= V
DD
/(3xR
R
). For R
R
= 475Ω (1%), I
REF
= 2.32mA. I
OH
= 6 x I
REF
and V
OH
= 0.7V @ Z
O
=50Ω.
Statistical measurement on
single ended signal
Measurement on single ended
signal using absolute value.
8
Integrated
Circuit
Systems, Inc.
ICS932S421C
1460E—08/25/09
Electrical Characteristics - PCICLK/PCICLK_F
PARAMETER SYMBOL CONDITIONS* MIN TYP MAX UNITS NOTES
Long Accuracy ppm see Tperiod min-max values -100 100 ppm 1,2
Clock period T
p
eriod
33.33MHz output nominal 29.9970 30 30.0030 ns 2
Absolute Clock period T
pabs
33.33MHz output including jitter 29.4970 30.5030 ns 2
Clock period w/spread T
p
eriodSS
33.33MHz output nominal 30.0722 30.07519 30.0852 ns 2, 3
Absolute Clock period
w/spread
T
pabsSS
33.33MHz output including jitter 29.5722 30.5852 ns 2,3
Clock High Time T
HIGH
1.5V 12 N/A
ns
1
Clock Low Time T
LOW
1.5V 12 N/A ns 1
Output Impedance R
DSP
V
O
= V
DD
*(0.5) 12 55 1
Output High Voltage V
OH
I
OH
= -1 mA 2.4 V 1
Output Low Voltage V
O
L
I
O
L
= 1 mA 0.55 V 1
V
OH
@MIN = 1.0 V -33 mA 1
V
OH
@MAX = 3.135 V -33 mA 1
V
OL
@ MIN = 1.95 V 30 mA 1
V
OL
@ MAX = 0.4 V 38 mA 1
Edge Rate t
slewr/f
Rising/Falling edge rate 1 4 V/ns 1
Rise Time t
r
V
O
L
= 0.4 V, V
OH
= 2.4 V 0.5 2 ns 1
Fall Time t
f
V
OH
= 2.4 V, V
OL
= 0.4 V 0.5 2 ns 1
Duty Cycle d
t1
V
T
= 1.5 V 45 55 % 1
Group Skew t
ske
w
V
T
= 1.5 V 250 ps 1
Jitter, Cycle to cycle t
j
c
y
c-c
y
c
V
T
= 1.5 V 500 ps 1
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5% (unless otherwise specified)
1
Guaranteed by design and characterization, not 100% tested in production.
2
All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is at 14.31818MHz
3
Does not apply to 932S431A
Output High Current I
OH
Output Low Current I
OL
9
Integrated
Circuit
Systems, Inc.
ICS932S421C
1460E—08/25/09
Electrical Characteristics - USB48MHz
PARAMETER SYMBOL CONDITIONS* MIN TYP MAX UNITS NOTES
Long Accuracy ppm see Tperiod min-max values 0 0 ppm 1,2
Clock period T
p
eriod
48.00MHz output nominal 20.8333 20.83333 20.8333 ns 2
Absolute Clock period T
pabs
48.00MHz output including jitter 20.4833 21.1833 ns 2
Output Impedance R
DSP
V
O
= V
DD
*(0.5) 12 55 1
Output High Voltage V
OH
I
OH
= -1 mA 2.4 V 1
Clock High Time T
HIGH
1.5V 8.094 10.036
ns
1
Clock Low Time T
LOW
1.5V 7.694 9.836 ns 1
Output Low Voltage V
OL
I
OL
= 1 mA 0.55 V 1
V
OH
@MIN = 1.0 V -29 mA 1
V
OH
@MAX = 3.135 V -33 mA 1
V
OL
@ MIN = 1.95 V 29 mA 1
V
OL
@ MAX = 0.4 V 27 mA 1
Edge Rate t
slewr/f_USB
USB48 Rising/Falling edge rate 1 2 V/ns 1
Rise Time t
r_USB
V
OL
= 0.4 V, V
OH
= 2.4 V 1 2 ns 1
Fall Time t
f_USB
V
OH
= 2.4 V, V
OL
= 0.4 V 1 2 ns 1
Duty Cycle d
t1
V
T
= 1.5 V 45 55 % 1
Group Skew t
skew
V
T
= 1.5 V 250 ps 1
Jitter, Cycle to cycle t
j
c
y
c-c
y
c
V
T
= 1.5 V 350 ps 1
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%
1
Guaranteed by design and characterization, not 100% tested in production.
2
All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is at 14.31818MHz
Output High Current I
OH
Output Low Current I
OL
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932S421CFLF

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Manufacturer:
Description:
Clock Synthesizer / Jitter Cleaner SERVER MAIN CLOCK - CK410B
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