sy89222l Micrel Semiconductor, sy89222l Datasheet - Page 4

• Manufacturer Part Number: sy89222l
• Description: Sy89222l 3.3v Dual Ttl-to-differential Pecl Translator
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
V
Symbol
t
t
t
t
T
Note 6.
Note 7.
Note 8.
M9999-051805
[e-mail] or [phone]
pd
r
skew
skpp
CC
jitter
/ t
+3.3V
AC ELECTRICAL CHARACTERISTICS
LVPECL OUTPUT INTERFACE APPLICATIONS
f
= +3.0V to +3.8V; T
AC parameters are guaranteed by design and characterization.
Same transition, common V
Cycle-to-cycle jitter definition: the variation in the period between adjacent cycles over a random sample of adjacent cycle pairs:
T
Figure 1a. Parallel Thevenin-Equivalent
jitter
_
CC
Parameter
Propagation Delay
Output Rise/Fall Time
20% to 80%
Within-Device Skew
Part-to-Part Skew
Cycle-to-cycle
Z
Z
= T
O
O
V
= 50
= 50
n
CC
– T
—2V
A
nt
Termination
= –40 C to +85 C, R
, where T is the time between the rising edges of the output cycle.
130
82
CC
levels.
+3.3V
+3.3V
130
130
82
82
L
Figure 1c. Terminating Unused I/O
+3.3V
= 50 to V
Condition
Notes 6, 7
Note 6
Note 8
+3.3V
Z
V
(Note 6)
O
CC
CC
= 50
—2V
–2V, unless otherwise stated.
130
82
4
+3.3V
+3.3V
1k
1.6k
V
Figure 1b. Three Resistor
CC
+3.3V
Z
Z
O
O
—1.3V
= 50
= 50
“Y Termination”
V
CC
—2V
50
Min
100
200
—
—
50
50
Typ
—
—
—
—
+3.3V
Precision Edge
C (optional)
0.01 F
Max
600
500
100
500
1
SY89222L
ps
Units
ps
ps
ps
ps
RMS
®