lmk01000 National Semiconductor Corporation, lmk01000 Datasheet - Page 5

• Manufacturer Part Number: lmk01000
• Description: 1.6 Ghz High Performance Clock Buffer, Divider, And Distributor
• Manufacturer: National Semiconductor Corporation

Delay
Divide
Jitter
Noise Floor
t
V
ΔV
V
ΔV
I
I
I
SKEW
SA
SB
SAB
OD
OS
Symbol
OD
OS
ADD
CLKout
CLKoutX
Maximum Allowable Delay(Note 8)
Allowable divide range. (Note that 1 is
the only allowable odd divide value)
Additive RMS Jitter (Note 7)
Divider Noise Floor(Note 7)
CLKoutX to CLKoutY (Note 8)
Differential Output Voltage
Change in magnitude of V
complementary output states
Output Offset Voltage
Change in magnitude of V
complementary output states
Clock Output Short Circuit Current
single ended
Clock Output Short Circuit Current
differential
Parameter
Clock Distribution Section - LVDS Clock Outputs
OD
OS
for
for
Clock Distribution Section - Divides
Clock Distribution Section--Delays
f
(Delay is limited to maximum
programmable value)
f
(Delay is limited to 1/2 of a period)
f
1300 MHz < f
R
Bandwidth =
100 Hz to 20 MHz
Vboost = 1
R
Vboost = 1
Equal loading and identical clock
configuration
R
(Note 9)
R
R
R
Single ended outputs shorted to GND
Complementary outputs tied together
CLKoutX
CLKoutX
CLKinX
L
L
L
L
L
L
= 100 Ω
= 100
= 100 Ω
= 100 Ω
= 100 Ω
= 100 Ω
≤
≤
> 1 GHz
1300 MHz
1 GHz
5
CLKinX
Conditions
f
f
f
f
f
f
Vboost=0
Vboost=1
≤
CLKoutX
CLKoutX
CLKoutX
CLKoutX
CLKoutX
CLKoutX
1600 MHz
= 200 MHz
= 800 MHz
= 1600 MHz
= 800 MHz
= 1600 MHz
= 200 MHz
1.070
Min
250
-30
-50
-35
-24
-12
1
1
-156
-153
-148
1.25
Typ
350
390
80
30
25
±4
f
CLKoutX
1.370
2250
Max
0.5/
510
450
30
50
35
24
12
2
www.national.com
dBc/Hz
Units
n/a
mV
mV
mV
mA
mA
ps
ps
fs
V