ics9db401 Integrated Device Technology, ics9db401 Datasheet - Page 6

• Manufacturer Part Number: ics9db401
• Description: Four Output Differential Buffer For Pci Express
• Manufacturer: Integrated Device Technology

Electrical Characteristics - DIF 0.7V Current Mode Differential Pair
IDT
1
2
complies with CK409/CK410 accuracy requirements
3
T
1
2
T
Electrical Characteristics - Clock Input Parameters
Differential Input High Voltage
Differential Input Low Voltage
Guaranteed by design and characterization, not 100% tested in production.
I
Slew rate measured through Vswing centered around differential zero
All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that the input clock
A
REF
A
Guaranteed by design and characterization, not 100% tested in production.
Input SRC Jitter - Cycle to
ICS9DB401C
Four Output Differential Buffer for PCI Express
Input Slew Rate - DIF_IN
TM
= 0 - 70°C; V
Crossing Voltage (abs)
= 0 - 70°C; Supply Voltage V
Input Leakage Current
Current Source Output
Crossing Voltage (var)
/ICS
Input Duty Cycle
Jitter, Cycle to cycle
Rise Time Variation
= V
Fall Time Variation
PARAMETER
Long Accuracy
PARAMETER
TM
Voltage High
Voltage Low
Max Voltage
DD
Min Voltage
Impedance
Duty Cycle
Rise Time
Fall Time
Four Output Differential Buffer for PCI Express
Cycle
/(3xR
Skew
DD
R
). For R
= 3.3 V +/-5%; C
R
= 475Ω (1%), I
SYMBOL
SRCJ
Vcross(abs)
V
V
dv/dt
d
IHDIF
ILDIF
I
SYMBOL
d-Vcross
IN
tin
DD
VHigh
C2CIn
VLow
t
Vuds
Vovs
jcyc-cyc
ppm
L
Zo
d-t
d-t
t
d
= 3.3 V +/-5%
sk3
t
t
=2pF, R
r
t3
f
1
r
f
Measurement from differential
REF
(single-ended measurement)
(single-ended measurement)
S
Statistical measurement on single
= 2.32mA. I
=33.2Ω, R
Differential Measurement
ended signal using oscilloscope
BYPASS mode as additive jitter
Measured differentially
Measurement on single ended
Measurement from differential
Measurement from differential
V
Variation of crossing over all
see Tperiod min-max values
V
signal using absolute value.
V
IN
CONDITIONS
Differential inputs
Differential inputs
OL
OH
= V
wavefrom
= 0.175V, V
= 0.525V V
DD ,
CONDITIONS
math function.
P
V
PLL mode,
=49.9Ω, Ι
OH
V
wavefrom
wavefrom
IN
V
T
edges
= GND
= 6 x I
O
= 50%
= V
6
OL
OH
x
REF
REF
= 0.175V
= 0.525V
and V
= 475Ω
V
OH
SS
MIN
600
0.4
45
-5
= 0.7V @ Z
- 300
3000
-150
-300
MIN
660
250
175
175
45
MAX
1150
300
125
55
8
5
O
=50Ω.
TYP
ICS9DB401C
UNITS
V/ns
mV
mV
1150
uA
MAX
%
ps
850
150
550
140
700
700
125
125
50
55
50
50
0
NOTES
UNITS
ppm
1
mV
mV
mV
mV
1
1
2
1
1
ps
ps
ps
ps
ps
ps
ps
%
Ω
REV E 03/18/08
NOTES
1,3
1,3
1,2
1
1
1
1
1
1
1
1
1
1
1
1
1