ADVANCE INFORMATION
MK2042-01
I CR O C LOC K
Communications Clock Monitor
VDD
S0
S1
S2
INB
INA
GND
SELB
REFIN
OE
VDD
CLKOUT
NO_INA
HIGH
LOW
GND
CENTER
0.01µF
10 kΩ
10 kΩ
8 kHz clock
from network
FS1
FS0
X2
RES
X1
CAP2
VDD
GND
FCAP
CAP1
VDD
VDD
GND
GND
CLK
ICLK
CLK/2
FS3
8K
FS2
(Not all connections for
MK2049-34 are shown.)
In this configuration, the output
frequency of the MK2049-34
will be held at the nominal
value after missing 2 cycles of
the 8 kHz network clock.
Figure 1. Typical Application of MK2042-01 With MK2049-34
MDS 2042-01
5
Revision 102600
Printed 11/15/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose • CA • 95126 • (408)295-9800tel• www.icst.com