参数资料
型号: ICS840001BGT
元件分类: 时钟产生/分配
英文描述: 226.66 MHz, OTHER CLOCK GENERATOR, PDSO8
封装: 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
文件页数: 1/12页
文件大小: 194K
代理商: ICS840001BGT
840001BG
www.icst.com/products/hiperclocks.html
REV. A MAY 10, 2004
1
Integrated
Circuit
Systems, Inc.
ICS840001
FEMTOCLOCKSCRYSTAL-TO-
LVCMOS/LVTTL CLOCK GENERATOR
GENERAL DESCRIPTION
The ICS840001 is a Fibre Channel Clock
Generator and a member of the HiPerClocksTM
family of high performance devices from ICS. The
ICS840001 uses a 26.5625MHz crystal to
synthesize either 106.25MHz or 212.5MHz, using
the FREQ_SEL pin. The ICS840001 has excellent phase jitter
performance, over the 637KHz – 10MHz integration range.
The ICS840001 is packaged in a small 8-pin TSSOP, making
it ideal for use in systems with limited board space.
FEATURES
1 LVCMOS/LVTTL output, 7 typical output impedence
Crystal oscillator interface designed for 26.5625MHz,
18pF parallel resonant crystal
Selectable 106.25MHz or 212.5MHz output frequency
VCO range: 560MHz to 680MHz
RMS phase jitter @ 106.25MHz, using a 26.5625MHz crystal
(637KHz - 10MHz): 0.696ps (typical)
RMS phase noise at 106.25MHz (typical)
Phase noise:
Offset
Noise Power
100Hz ............... -94.4 dBc/Hz
1KHz .............. -119.9 dBc/Hz
10KHz .............. -130.2 dBc/Hz
100KHz .............. -131.5 dBc/Hz
3.3V operating supply
-30°C to 85°C ambient operating temperature
HiPerClockS
ICS
ICS840001
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
VDDA
OE
XTAL_OUT
XTAL_IN
1
2
3
4
VDD
Q0
GND
FREQ_SEL
8
7
6
5
t
u
p
n
I
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c
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q
e
r
F
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(
z
H
M
5
2
.
6
0
1
1z
H
M
5
.
2
1
2
z
H
M
5
2
6
5
.
6
2
:
l
a
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s
y
r
C
BLOCK DIAGRAM
PIN ASSIGNMENT
FUNCTION TABLE
OSC
Phase
Detector
VCO
637.5MHz w/
26.5625MHz Ref.
M = ÷24 (fixed)
1
0
÷6
÷3
XTAL_IN
XTAL_OUT
OE
Q0
FREQ_SEL
(Pullup)
(Pulldown)
相关PDF资料
PDF描述
ICS840002AGIT 226.67 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS840002AGI 226.67 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS840002AGI 226.67 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS840002AGLF 226.67 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS840004AG-01T 175 MHz, OTHER CLOCK GENERATOR, PDSO20
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