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83026AMI
www.icst.com/products/hiperclocks.html
REV. B NOVEMBER 9, 2004
1
Integrated
Circuit
Systems, Inc.
ICS83026I
L
OW
S
KEW
, 1-
TO
-2
D
IFFERENTIAL
-
TO
-LVCMOS/LVTTL F
ANOUT
B
UFFER
G
ENERAL
D
ESCRIPTION
The ICS830 26I is a low skew, 1-to- 2 Differ-
ential-to-LVCMOS/LVTTL Fanout Buffer and a
member of the HiPerClockSTM family of High
Perfor mance Clock Solutions from ICS.The
differential input can accept most differential sig-
nal types (LVDS, LVHSTL, LVPECL, SSTL, and HCSL) and
translate to two single-ended LVCMOS/LVTTL outputs with a
maximum output skew of 20ps. The small 8-lead SOIC foot-
print makes this device ideal for use in applications with lim-
ited board space.
F
EATURES
2 LVCMOS / LVTTL outputs
Differential CLK, nCLK input pair
CLK, nCLK pair can accept the following differential
input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
Output frequency: 350MHz (typical)
Output skew: 20ps (maximum)
Part-to-part skew: 600ps (maximum)
Small 8 lead SOIC package saves board space
3.3V operating supply
-40C to 85C ambient operating temperature
Lead-Free package available
Pin-to-pin compatible with MC100EPT26
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
ICS83026I
8-Lead SOIC
3.8mm x 4.8mm, x 1.47mm package body
M Package
Top View
nc
CLK
nCLK
nc
1
2
3
4
Q0
Q1
CLK
nCLK
HiPerClockSTM
ICS
V
DD
Q0
Q1
GND
8
7
6
5
83026AMI
www.icst.com/products/hiperclocks.html
REV. B NOVEMBER 9, 2004
2
Integrated
Circuit
Systems, Inc.
ICS83026I
L
OW
S
KEW
, 1-
TO
-2
D
IFFERENTIAL
-
TO
-LVCMOS/LVTTL F
ANOUT
B
UFFER
T
ABLE
1. P
IN
D
ESCRIPTIONS
T
ABLE
2. P
IN
C
HARACTERISTICS
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83026AMI
www.icst.com/products/hiperclocks.html
REV. B NOVEMBER 9, 2004
3
Integrated
Circuit
Systems, Inc.
ICS83026I
L
OW
S
KEW
, 1-
TO
-2
D
IFFERENTIAL
-
TO
-LVCMOS/LVTTL F
ANOUT
B
UFFER
T
ABLE
3A. P
OWER
S
UPPLY
DC C
HARACTERISTICS
,
V
DD
= 3.3V0.3V, T
A
= -40C
TO
85C
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A
BSOLUTE
M
AXIMUM
R
ATINGS
Supply Voltage, V
DD
4.6V
Inputs, V
I
-0.5V to V
DD
+ 0.5 V
Outputs, V
O
-0.5V to V
DD
+ 0.5V
Package Thermal Impedance,
JA
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.
83026AMI
www.icst.com/products/hiperclocks.html
REV. B NOVEMBER 9, 2004
4
Integrated
Circuit
Systems, Inc.
ICS83026I
L
OW
S
KEW
, 1-
TO
-2
D
IFFERENTIAL
-
TO
-LVCMOS/LVTTL F
ANOUT
B
UFFER
T
ABLE
4. AC C
HARACTERISTICS
,
V
DD
= 3.3V0.3V, T
A
= -40C
TO
85C
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83026AMI
www.icst.com/products/hiperclocks.html
REV. B NOVEMBER 9, 2004
5
Integrated
Circuit
Systems, Inc.
ICS83026I
L
OW
S
KEW
, 1-
TO
-2
D
IFFERENTIAL
-
TO
-LVCMOS/LVTTL F
ANOUT
B
UFFER
P
ARAMETER
M
EASUREMENT
I
NFORMATION
D
IFFERENTIAL
I
NPUT
L
EVEL
3.3VC
ORE
/3.3V O
UTPUT
L
OAD
AC T
EST
C
IRCUIT
SCOPE
Qx
LVCMOS
1.65V0.15V
-1.65V0.15V
O
UTPUT
S
KEW
P
ART
-
TO
-P
ART
S
KEW
V
CMR
Cross Points
V
PP
GND
CLK
nCLK
V
DD
tsk(o)
V
DDO
2
V
DDO
2
Qy
Qx
tsk(pp)
V
DDO
2
V
DDO
2
Qy
Qx
PART 1
PART 2
V
DD
GND
P
ROPAGATION
D
ELAY
Q0, Q1
O
UTPUT
R
ISE
/F
ALL
T
IME
Clock
Outputs
20%
80%
80%
20%
t
R
t
F
t
PD
V
DDO
2
CLK
nCLK
O
UTPUT
D
UTY
C
YCLE
/P
ULSE
W
IDTH
/P
ERIOD
Pulse Width
t
PERIOD
t
PW
t
PERIOD
odc =
V
DDO
2
Q0, Q1