ICS512 Datasheet, PDF (4/4 Pages) Integrated Circuit Systems – LOCO™ PLL Clock Multiplier

ICS512
LOCO™ PLL Clock Multiplier
External Components / Crystal Selection
The ICS512 requires a 0.01µF decoupling capacitor to be connected between VDD and GND. It must be
connected close to the ICS512 to minimize lead inductance. No external power supply filtering is required
for this device. A 33 Ω terminating resistor can be used next to the CLK and REF pins. The total on-chip
capacitance is approximately 15 pF, so a parallel resonant, fundamental mode crystal should be used. For
crystals with a specified load capacitance greater than 15 pF, crystal capacitors should be connected from
each of the pins X1 and X2 to Ground as shown in the Block Diagram on page 1. The value (in pF) of
these crystal caps should be = (C_L-15)*2, where C_L is the crystal load capacitance in pF. These external
capacitors are only required for applications where the exact frequency is critical. For a clock input,
connect to X1 and leave X2 unconnected (no capacitors on either).
Package Outline and Package Dimensions (For current dimensional specifications, see JEDEC 95.)
8 pin SOIC
INDEX
AREA
12
D
EH
h x 45°
Symbol
A
A1
B
C
D
E
e
H
h
L
Inches
Min Max
0.0532 0.0688
0.0040 0.0098
0.0130 0.0200
0.0075 0.0098
0.1890 0.1968
0.1497 0.1574
.050 BSC
0.2284 0.2440
0.0099 0.0195
0.0160 0.0500
Millimeters
Min Max
1.35 1.75
0.10 0.24
0.33 0.51
0.19 0.24
4.80 5.00
3.80 4.00
1.27 BSC
5.80 6.20
0.25 0.50
0.41 1.27
A1
e
C
B
Ordering Information
Part/Order Number
ICS512M
ICS512MT
ICS512MI
ICS512MIT
Marking
ICS512M
ICS512M
ICS512I
ICS512I
A
L
Package
8 pin SOIC
8 pin SOIC on tape and reel
8 pin SOIC
8 pin SOIC on tape and reel
Temperature
0 to 70 °C
0 to 70 °C
-40 to +85 °C
-40 to +85 °C
While the information presented herein has been checked for both accuracy and reliability, ICS assumes no responsibility for either its use or for the infringement of any patents or
other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications.
Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without
additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life
support devices or critical medical instruments.
LOCO is a trademark of ICS
MDS 512 C
4
Revision 061900
Printed 11/13/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126•[phone]tel • www.icst.com