mk1493-14 Integrated Device Technology, mk1493-14 Datasheet - Page 13

• Manufacturer Part Number: mk1493-14
• Description: Spread Spectrum Clock Generator
• Manufacturer: Integrated Device Technology

Clock Details and Topology
The topology of each 100 MHz circuit is shown for reference in Fig 1.
Fig 1: Clock chip Outputs current and translation to voltage is done on the motherboard for destination chip.
Topology Details
L1= 0.5”
L2, L3 =0.25”
L4=8”
R
R
Receiver has no internal termination.
Length of L3 should be minimized to improve signal integrity.
L4 will have two to a maximum of four vias.
IDT™ / ICS™ SPREAD SPECTRUM CLOCK GENERATOR
S1
T1
MK1493-14
SPREAD SPECTRUM CLOCK GENERATOR
, R
,R
S2
T2
Clock Chip
= 33 Ω ±5%
= 49.9 Ω ±1%
DC
+
-
L1
L1
R
R
S2
S1
L2
L2
L3
R
L3
R
T1
T2
13
L4
L4
Destination Chip
+
-
MK1493-14
REV A 082205
SSCG