ICS9EX21801AKLFT IDT, Integrated Device Technology Inc, ICS9EX21801AKLFT Datasheet - Page 6

• Manufacturer Part Number: ICS9EX21801AKLFT
• Description: IC FANOUT BUFF DIFF 20-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of ICS9EX21801AKLFT

• Input: *
• Output: Clock
• Frequency - Max: 400MHz
• Voltage - Supply: *
• Operating Temperature: *
• Mounting Type: Surface Mount
• Package / Case: *
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 9EX21801AKLFT

IDT
T
1
2
CK410B+/CK509B accuracy requirements. The 9EX21801 itself does not contribute to ppm error.
3
4
T
Input Slew Rate - DIF_IN
1
Electrical Characteristics - Clock Input Parameters
Input Amplitude - DIF_IN
Electrical Characteristics - DIF 0.7V Current Mode Differential Pairs
Guaranteed by design and characterization, not 100% tested in production.
I
Crossing Voltage (abs)
A
Current Source Output
Crossing Voltage (var)
All Long Term Accuracy specifications are guaranteed with the assumption that the input clock complies with
A
Guaranteed by design and characterization, not 100% tested in production.
REF
Applies to Bypass Mode Only
Input Leakage Current
ICS9EX21801A
18 Output PCIe G2/QPI Differential Buffer with 2:1 input mux
Input Common Mode
Input Jitter - Cycle to
Jitter, Cycle to cycle
Rise Time Variation
Input High Voltage -
TM
= 0 - 70°C; V
Fall Time Variation
Input Low Voltage -
= 0 - 70°C; Supply Voltage V
Voltage - DIF_IN
Input Duty Cycle
Long Accuracy
= V
PARAMETER
18 Output PCIe G2/QPI Differential Buffer with 2:1 input mux
PARAMETER
Voltage High
Max Voltage
Voltage Low
Min Voltage
Impedance
Duty Cycle
Rise Time
Fall Time
DD
DIF_IN
DIF_IN
Cycle
/(3xR
DD
R
). For R
= 3.3 V +/-5%; C
R
= 475 Ω (1%), I
Vcross(abs)
SYMBOL
d-Vcross
t
VHigh
VLow
jcyc-cyc
Vovs
Vuds
SYMBOL
ppm
Zo
d-t
d-t
d
V
t
t
V
V
t3
V
dv/dt
J
r
f
SWING
1
d
r
f
DD
DIFIn
IHDIF
ILDIF
I
COM
IN
L
tin
=2pF, R
= 3.3 V +/-5%
REF
ended signal using oscilloscope math
Measurement on single ended signal
Variation of crossing over all edges
Statistical measurement on single
BYPASS mode as additive jitter
S
= 2.32mA. I
Measurement from differential
=33.2 Ω , R
see Tperiod min-max values
V
V
OL
OH
Measurement from differential
Common Mode Input Voltage
using absolute value.
(single-ended measurement)
(single-ended measurement)
= 0.175V, V
= 0.525V V
Differential Measurement
Measured differentially
CONDITIONS
V
Peak to Peak value
PLL mode
IN
wavefrom
P
Differential inputs
Differential inputs
function.
V
OH
=49.9 Ω , R
CONDITIONS
= V
O
= 6 x I
= V
wavefrom
DD ,
OL
OH
x
= 0.175V
= 0.525V
V
REF
REF
IN
6
= GND
and V
=475 Ω , 10 inch transmission lines
OH
= 0.7V @ Z
3000
-150
-300
MIN
660
250
175
175
45
V
SS
O
MIN
600
300
300
=50 Ω .
0.4
45
-5
0
- 300
TYP
TYP
800
0
MAX
1150
850
150
550
140
700
700
125
125
55
50
50
0
UNITS NOTES
MAX
1150
1000
1450
ppm
300
125
mV
mV
mV
mV
55
ps
ps
ps
ps
ps
ps
%
Ω
8
5
1463B — 01/20/10
Datasheet
UNITS NOTES
1,3
1,3
1,2
1,5
1,4
V/ns
1
1
1
1
1
1
1
1
1
1
mV
mV
mV
mV
uA
ps
%
1,2
1
1
1
1
1
1
1