ics525-07 Holt Integrated Circuits, Inc., ics525-07 Datasheet - Page 3

• Manufacturer Part Number: ics525-07
• Description: Lvcmos User Configurable Clock
• Manufacturer: Holt Integrated Circuits, Inc.

MDS 525-07/08 A
Pin Assignment (ICS525-08)
Pin Descriptions (ICS525-08)
Integrated Circuit Systems, Inc.
Number
2, 3, 4, 5
1, 24-28
10 - 18
6, 23
9, 20
Pin
19
21
22
7
8
X1/ICLK
GND
VDD
PRELIMINARY INFORMATION
R5
S3
S0
S1
S2
X2
V0
V1
V2
V3
V4
S0, S1, S2,
R5, R0-R4
X1/ICLK
V0 - V8
Name
GND
VDD
REF
CLK
Pin
PD
S3
X2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Output
Output
Power
Power
Type
I(PU)
I(PU)
I(PU)
Input
Pin
X1
X2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
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525 Race Street, San Jose, CA 95126
Select pins for output divider. See table on page 4.
Crystal connection. Connect to a parallel resonant fundamental crystal or input clock.
Reference divider word input pins.
Connect to VDD.
Crystal connection. Connect to a crystal or leave unconnected for clock.
Connect to ground.
VCO divider word input pins.
Power-down. Active low. Turns off entire chip when low. Clock outputs stop low.
PLL output clock.
Reference output. Buffered crystal oscillator (or clock) output.
R4
R3
R2
R1
R0
VDD
REF
CLK
GND
PD
V8
V7
V6
V5
3
Pin Description
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tel [phone]
LVCMOS User Configurable Clock
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www.icst.com
Revision 101105
ICS525-07/08