843AG-106
www.icst.com/products/hiperclocks.html
REV. A JANUARY 10, 2006
1
Integrated
Circuit
Systems, Inc.
ICS843-106
106.25MH
Z
, LVCMOS, LVPECL
D
UAL
O
UTPUT
O
SCILLATOR
G
ENERAL
D
ESCRIPTION
The ICS843-106 is a Fibre Channel Dual
O u t p u t O s c i l l a t o r a n d a m e m b e r o f t h e
HiPerClocks
TM
family of high perfor mance
devices from ICS. The ICS843-106 uses a
25MHz crystal to synthesize 106.25MHz.
The ICS843-106 has excellent jitter performance. The
I C S 8 4 3 - 1 0 6 i s p a ck a g e d i n a s m a l l 8 - p i n T S S O P,
making it ideal for use in systems with limited board space.
F
EATURES
One LVCMOS/LVTTL output, 15 output impedance
One LVPECL output pair
Crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal
Output frequency: 106.25MHz
Random jitter: 3ps (typical)
Deterministic jitter: 0.24ps (typical)
3.3V operating supply
0C to 70C ambient operating temperature
Available in both standard and lead-free RoHS-compliant
packages
HiPerClockSTM
ICS
ICS843-106
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
V
CC
XTAL_IN
XTAL_OUT
V
EE
1
2
3
4
Q1
nQ1
V
CCO
Q0
8
7
6
5
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
Clock
Synthesizer
XTAL_IN
XTAL_OUT
Q0
25MHz
LVCMOS
106.25MHz
Q1
nQ1
LVPECL
106.25MHz
ICS843-106
8-Lead SOIC
3.90mm x 4.92mm x 1.37mm body package
M Package
Top View
843AG-106
www.icst.com/products/hiperclocks.html
REV. A JANUARY 10, 2006
2
Integrated
Circuit
Systems, Inc.
ICS843-106
106.25MH
Z
, LVCMOS, LVPECL
D
UAL
O
UTPUT
O
SCILLATOR
T
ABLE
2. P
IN
C
HARACTERISTICS
T
ABLE
1. P
IN
D
ESCRIPTIONS
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D
843AG-106
www.icst.com/products/hiperclocks.html
REV. A JANUARY 10, 2006
3
Integrated
Circuit
Systems, Inc.
ICS843-106
106.25MH
Z
, LVCMOS, LVPECL
D
UAL
O
UTPUT
O
SCILLATOR
T
ABLE
3A. P
OWER
S
UPPLY
DC C
HARACTERISTICS
,
V
CC
= V
CCO
= 3.3V0.3V, T
A
= 0C
TO
70C
A
BSOLUTE
M
AXIMUM
R
ATINGS
Supply Voltage, V
CC
4.6V
Inputs, V
I
-0.5V to V
CC
+ 0.5 V
Outputs, V
O
(LVCMOS)
-0.5V to V
CCO
+ 0.5V
Outputs, I
O
(LVPECL)
Continuous Current
50mA
Surge Current
100mA
Package Thermal Impedance,
JA
8 Lead TSSOP
101.7C/W (0 mps)
8 Lead SOIC
112.7C/W (0 lfpm)
Storage Temperature, T
STG
-65C to 150C
NOTE: Stresses beyond those listed under Absolute
Maximum Ratings may cause permanent damage to the
device. These ratings are stress specifications only. Functional
operation of product at these conditions or any conditions be-
yond those listed in the
DC Characteristics
or
AC Character-
istics
is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect product reliability.
T
ABLE
3B. LVCMOS/LVTTL DC C
HARACTERISTICS
,
V
CC
= V
CCO
= 3.3V0.3V, T
A
= 0C
TO
70C
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843AG-106
www.icst.com/products/hiperclocks.html
REV. A JANUARY 10, 2006
4
Integrated
Circuit
Systems, Inc.
ICS843-106
106.25MH
Z
, LVCMOS, LVPECL
D
UAL
O
UTPUT
O
SCILLATOR
T
ABLE
4. C
RYSTAL
C
HARACTERISTICS
(NOTE 1)
T
ABLE
5. AC C
HARACTERISTICS
,
V
CC
= V
CCO
= 3.3V0.3V, T
A
= 0C
TO
70C
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843AG-106
www.icst.com/products/hiperclocks.html
REV. A JANUARY 10, 2006
5
Integrated
Circuit
Systems, Inc.
ICS843-106
106.25MH
Z
, LVCMOS, LVPECL
D
UAL
O
UTPUT
O
SCILLATOR
P
ARAMETER
M
EASUREMENT
I
NFORMATION
LVPECL O
UTPUT
D
UTY
C
YCLE
/P
ULSE
W
IDTH
/P
ERIOD
LVPECL O
UTPUT
R
ISE
/F
ALL
T
IME
3.3V LVCMOS O
UTPUT
L
OAD
AC T
EST
C
IRCUIT
SCOPE
Qx
LVCMOS
1.65V 0.15V
-1.65V 0.15V
Clock
Outputs
20%
80%
80%
20%
t
R
t
F
t
PERIOD
t
PW
t
PERIOD
odc =
V
CC
2
t
PW
x 100%
Q0
GND
V
CC,
V
CCO
LVCMOS O
UTPUT
D
UTY
C
YCLE
/P
ULSE
W
IDTH
/P
ERIOD
LVCMOS O
UTPUT
R
ISE
/F
ALL
T
IME
Q1
nQ1
Clock
Outputs
20%
80%
80%
20%
t
R
t
F
V
SW I N G
t
PW
t
PERIOD
t
PW
t
PERIOD
odc =
x 100%
3.3V LVPECL O
UTPUT
L
OAD
AC T
EST
C
IRCUIT
SCOPE
Qx
nQx
LVPECL
2V
-1.3V 0.3V
V
EE
V
CC,
V
CCO
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