sy55851aukitr Micrel Semiconductor, sy55851aukitr Datasheet - Page 5
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sy55851aukitr
Manufacturer Part Number
sy55851aukitr
Description
Sy55851/851a 2.5v/3v/5v, 3.0ghz Cml Anygate?any Logic W/50- Or 100- Outputs
Manufacturer
Micrel Semiconductor
Datasheet
1.SY55851AUKITR.pdf
(8 pages)
Micrel, Inc.
this family. All outputs are source terminated 100
CML differential drivers as shown in Figure 3. All inputs to
the SY55851/A must be externally terminated. SY55851/A
M9999-110705
hbwhelp@micrel.com or (408) 955-1690
CML TERMINATION AND TTL INTERFACE
All inputs accept the output from any other member of
SY55851
Figure 3c. Differentially Terminated SY55851
100
SY55851
100
V
CC
8mA
(100 Load CML Output)
(50 Load CML Output)
V
100
CC
Figure 3a. SY55851
8mA
100
/Q
Q
/Q
Q
100
V
CC
100
100
100
50
50
200
100
or 50
5
inputs are designed to accept a termination resistor between
the true and complement inputs of a differential pair. 0402
form factor chip resistors will fit with some trace fanout.
Figure 3b. Differentially Terminated SY55851A
Figure 4. Interfacing TTL-to-CML Select Inputs
SY55851A
50
TTL
Driver
V
CC
V
CC
16mA
(50 Load CML Output)
50
1k
V
/Q
CC
Q
1k
V
CC
549
1.47k
V
CC
S
/S
V
50
50
SY55851A
CC
SY55851
(TTL Driver)
SuperLite™
SY55851A
100
SY55851