sy89547l Micrel Semiconductor, sy89547l Datasheet - Page 5
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sy89547l
Manufacturer Part Number
sy89547l
Description
3.3v, 3.2gbps Differential 4 1 Lvds Multiplexer With 1 2 Fanout And Internal Termination
Manufacturer
Micrel Semiconductor
Datasheet
1.SY89547L.pdf
(11 pages)
Micrel, Inc.
V
Symbol
f
t
t
t
Crosstalk
t
Notes:
10. Measured with 100mV input swing. See “Timing Diagrams” section for definition of parameters. High frequency AC parameters are guaranteed by
11. Input-to-input skew is the difference in time from an input-to-output in comparison to any other input-to-output. In addition, the input-to-input skew
12. Output-to-output skew is measured between two different outputs under identical input transitions.
13. Part-to-part skew is defined for two parts with identical power supply voltages at the same temperature and with no skew of the edges at the
14. RJ is measured with a K28.7 comma detect character pattern, measured at 1.25Gbps and 3.2Gbps.
15. DJ is measured at 1.25Gbps and 3.2Gbps, with both K28.5 and 2
16. Total jitter definition: with an ideal clock input of frequency f
17. Cycle-to-cycle jitter definition: the variation of periods between adjacent cycles, Tn-Tn-1 where T is the time between rising edges of the output
18. Crosstalk is measured at the output while applying two similar clock frequencies to adjacent inputs that are asynchronous with respect to each other
M9999-060906
hbwhelp@micrel.com or (408) 955-1690
MAX
pd
SKEW
JITTER
R
CC
, t
AC ELECTRICAL CHARACTERISTICS
design and characterization.
does not include the output skew.
respective inputs. Total skew is calculated as the RMS (Root Mean Square) of the input skew and output skew.
specified peak-to-peak jitter value.
signal.
at the inputs.
F
= 3.3V ±10%; T
Parameter
Maximum Operating Frequency
Differential Propagation Delay
Data
Clock
Crosstalk-Induced Jitter
Output Rise / Fall Time
(20% to 80%)
A
= –40°C to +85°C; R
Deterministic Jitter (DJ)
Output-to-Output Skew
Cycle-to-Cycle Jitter
Input-to-Input Skew
Random Jitter (RJ)
Part-to-Part Skew
Total Jitter (TJ)
L
= 100
across Q and /Q, unless otherwise stated.
Condition
V
IN-to-Q
SEL-to-Q
Note 11
Note 12
Note 13
Note 14
Note 15
Note 16
Note 17
Note 18
At full output swing
OUT
(10)
MAX
, no more than one output edge in 10
23
200mV
–1 PRBS pattern.
5
NRZ Data
Clock
12
output edges will deviate by more than the
Min
340
200
3.2
40
Typ
440
420
80
4
5
8
Precision Edge
Max
540
700
200
150
0.7
20
20
10
10
1
1
SY89547L
ps
ps
ps
Units
Gbps
ps
ps
GHz
ps
ps
ps
ps
ps
ps
RMS
RMS
RMS
PP
PP
®