HiPerClockS鈩?/div>
performance devices from ICS. The ICS843001
uses either a 26.5625MHz or a 23.4375 crystal to
synthesize 106.25MHz, 187.5MHz or 212.5MHz,
using the FREQ_SEL pin. The ICS843001 has excellent <1ps
phase jitter performance, over the 637KHz 鈥?10MHz integration
range. The ICS843001 is packaged in a small 8-pin TSSOP,
making it ideal for use in systems with limited board space.
ICS
F
UNCTION
T
ABLE
Inputs
Crystal Frequency
26.5625MHz
26.5625MHz
23.4375MHz
FREQ_SEL
0
1
1
Output Frequencies
106.25MHz (Default)
212.5MHz
187.5MHz
B
LOCK
D
IAGRAM
FREQ_SEL
(Pulldown)
P
IN
A
SSIGNMENT
V
CCA
V
EE
XTAL_OUT
XTAL_IN
1
2
3
4
8
7
6
5
V
CC
Q0
nQ0
FREQ_SEL
XTAL_IN
OSC
XTAL_OUT
Phase
Detector
VCO
637.5MHz w/
26.5625MHz Ref.
梅3
1
nQ0
Q0
梅6
0
ICS843001
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm package body
G Package
Top View
REV. B OCTOBER 13, 2004
M = 梅24 (fixed)
843001AG
www.icst.com/products/hiperclocks.html
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