ICS507-01 Ver la hoja de datos (PDF) - Integrated Circuit Systems
Número de pieza
componentes Descripción
Lista de partido
ICS507-01 Datasheet PDF : 5 Pages
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ICS507-01/02
PECL Clock Synthesizer
Pin Assignment
ICS507-01/02
X1/ICLK 1
VDD 2
VDD 3
S1 4
GND 5
GND 6
NC 7
PECL 8
16 X2
15 N C
14 S0
13 OE
12 N C
11 N C
10 RES
9 PECL
16 pin narrow (150 mil) SOIC
Clock Multiplier Select Table
S1 S0
00
0M
Multiplier
9.72X*
10X
*Use this selection to get
155.52 MHz from a 16 MHz
input.
01
M0
MM
M1
10
12X
6.25X
8X
5X
2X
For lowest phase noise
generation of 155.52 MHz,
use a 19.44 MHz crystal and
the 8X selection.
1M
3X
11
4X
0 = connect pin directly to ground
1 = connect pin directly to VDD
M = leave unconnected (floating)
Pin Descriptions
Number
Name
Type Description
1
X1/ICLK
XI Crystal or clock connection. Connect to a fundamental parallel mode crystal, or clock.
2
VDD
P VDD. Connect to +3.3 V or +5 V, and to VDD on pin 3.
3
VDD
P VDD. Connect to VDD on pin 2. Decouple with pin 5.
4
S1
T I Multiplier select pin 1. Determines output frequency per table above.
5
GND
P Connect to ground.
6
GND
P Connect to ground.
7
NC
- No connect. Nothing is connected internally to this pin.
8
PECL
O PECL Output. Connect to resistor load as shown on page one.
9
PECL
O Complementary PECL Output. Connect to resistor load as shown on page one.
10
RES
I Bias Resistor Input. Connect a resistor between this pin and VDD.
11
NC
- No connect. Nothing is connected internally to this pin.
12
NC
- No connect. Nothing is connected internally to this pin.
13
OE
I Output Enable. Tri-states both outputs when low. Internal pull-up.
14
S0
T I Multiplier select pin 0. Determines output frequency per table above.
15
NC
- No Connect. Nothing is connected internally to this pin.
16
X2
XO Cr stal connection. Connect to cr stal, or leave unconnected for clock input.
Key: I=Input, O=output, TI=tri-level input, P=power supply connection; XI, XO=crystal connections
MDS 507 C
2
Revision 042600
Printed 11/13/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA •95126• (408)295-9800tel • www.icst.com
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