參數(shù)資料
型號(hào): ICSXXXXYFLFT
英文描述: 26/SKT/TB/2R/10AVE/90:10
中文描述: 系統(tǒng)時(shí)鐘芯片的支持ATI RS400 P4TM的系統(tǒng)
文件頁數(shù): 13/19頁
文件大?。?/td> 206K
代理商: ICSXXXXYFLFT
13
Integrated
Circuit
Systems, Inc.
ICS951411
0891E—03/07/05
Electrical Characteristics - SRC 0.7V Current Mode Differential Pair
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
=2pF, R
S
=33.2
, R
P
=49.9
, Ι
REF
= 475
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
Current Source Output
Impedance
Voltage High
Voltage Low
Max Voltage
Min Voltage
Zo
V
O
= V
x
3000
1
VHigh
VLow
Vovs
Vuds
660
-150
850
150
1150
1,3
1,3
1
1
-300
Crossing Voltage (abs)
Vcross(abs)
250
350
550
mV
1
Crossing Voltage (var)
d-Vcross
Variation of crossing over
all edges
see Tperiod min-max
values
100.00MHz nominal
100.00MHz spread
100.00MHz
nominal/spread
V
OL
= 0.175V,
V
OH
= 0.525V
V
OH
= 0.525V
V
OL
= 0.175V
12
140
mV
1
Long Accuracy
ppm
-300
300
ppm
1,2
9.9970
9.9970
10.0030
10.0533
ns
ns
2
2
Absolute min period
Tabsmin
9.8720
ns
1,2
Rise Time
t
r
175
700
ps
1
Fall Time
t
f
175
700
ps
1
Rise Time Variation
Fall Time Variation
d-t
r
d-t
f
30
30
125
125
ps
ps
1
1
Duty Cycle
d
t3
Measurement from
differential wavefrom
V
T
= 50%
Measurement from
differential wavefrom
45
55
%
1
Skew
t
sk3
250
ps
1
Jitter, Cycle to cycle
t
jcyc-cyc
125
ps
1
1
Guaranteed by design and characterization, not 100% tested in production.
2
All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz
3
I
REF
= V
DD
/(3xR
R
). For R
R
= 475
(1%), I
REF
= 2.32mA. I
OH
= 6 x I
REF
and V
OH
= 0.7V @ Z
O
=50
.
mV
Measurement on single
ended signal using
mV
Average period
Tperiod
Statistical measurement
on single ended signal
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