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85322AM
www.icst.com/products/hiperclocks.html
REV. A
AUGUST 23, 2002
1
Integrated
Circuit
Systems, Inc.
ICS85322
D
UAL
LVCMOS / LVTTL-
TO
-D
IFFERENTIAL
2.5V / 3.3V LVPECL T
RANSLATOR
G
ENERAL
D
ESCRIPTION
The ICS85322 is a Dual LVCMOS / LVTTL-to-
Differential 2.5V / 3.3V LVPECL translator and a
member of the HiPerClocksTM family of High Per-
formance Clocks Solutions from ICS. The
ICS85322 has selectable single ended clock in-
puts. The single ended clock input accepts LVCMOS or LVTTL
input levels and translate them to 2.5V / 3.3V LVPECL levels.
The small outline 8-pin SOIC package makes this device ideal
for applications where space, high performance and low power
are important.
F
EATURES
2 differential 2.5V/3.3V LVPECL outputs
Selectable CLK0, CLK1 LVCMOS clock inputs
CLK0 and CLK1 can accepts the following input levels:
LVCMOS or LVTTL
Maximum output frequency: 267MHz
Part-to-part skew: 150ps (maximum)
3.3V operating supply voltage
(operating range 3.135V to 3.465V)
2.5V operating supply voltage
(operating range 2.375V to 2.625V)
0C to 70C ambient operating temperature
Industrial temperature information available upon request
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
ICS85322
8-Lead SOIC
3.90mm x 4.92mm x 1.37mm body package
M Package
Top View
Q0
nQ0
Q1
nQ1
1
2
3
4
Q0
nQ0
Q1
nQ1
CLK0
CLK1
HiPerClockSTM
,&6
V
CC
CLK0
CLK1
V
EE
8
7
6
5
85322AM
www.icst.com/products/hiperclocks.html
REV. A
AUGUST 23, 2002
2
Integrated
Circuit
Systems, Inc.
ICS85322
D
UAL
LVCMOS / LVTTL-
TO
-D
IFFERENTIAL
2.5V / 3.3V LVPECL T
RANSLATOR
T
ABLE
1. P
IN
D
ESCRIPTIONS
T
ABLE
2. P
IN
C
HARACTERISTICS
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85322AM
www.icst.com/products/hiperclocks.html
REV. A
AUGUST 23, 2002
3
Integrated
Circuit
Systems, Inc.
ICS85322
D
UAL
LVCMOS / LVTTL-
TO
-D
IFFERENTIAL
2.5V / 3.3V LVPECL T
RANSLATOR
T
ABLE
3A. P
OWER
S
UPPLY
DC C
HARACTERISTICS
,
V
CC
= 3.3V5%, 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
+ 0.5V
Outputs, V
O
-0.5V to V
CC
+ 0.5V
Package Thermal Impedance,
JA
112.7C/W (0 lfpm)
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 beyond those listed in
the
DC Characteristics or AC Characteristics 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
= 3.3V5%, T
A
= 0C
TO
70C
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85322AM
www.icst.com/products/hiperclocks.html
REV. A
AUGUST 23, 2002
4
Integrated
Circuit
Systems, Inc.
ICS85322
D
UAL
LVCMOS / LVTTL-
TO
-D
IFFERENTIAL
2.5V / 3.3V LVPECL T
RANSLATOR
T
ABLE
4A. AC C
HARACTERISTICS
,
V
CC
= 3.3V5%, T
A
= 0C
TO
70C
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85322AM
www.icst.com/products/hiperclocks.html
REV. A
AUGUST 23, 2002
5
Integrated
Circuit
Systems, Inc.
ICS85322
D
UAL
LVCMOS / LVTTL-
TO
-D
IFFERENTIAL
2.5V / 3.3V LVPECL T
RANSLATOR
T
ABLE
3D. P
OWER
S
UPPLY
DC C
HARACTERISTICS
,
V
CC
= 2.5V5%, T
A
= 0C
TO
70C
T
ABLE
3E. LVCMOS / LVTTL DC C
HARACTERISTICS
,
V
CC
= 2.5V5%, T
A
= 0C
TO
70C
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ABLE
3F. LVPECL DC C
HARACTERISTICS
,
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CC
= 2.5V5%, T
A
= 0C
TO
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