ics8535ag-21t Integrated Device Technology, ics8535ag-21t Datasheet

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ics8535ag-21t

Manufacturer Part Number
ics8535ag-21t
Description
Low Skew, 1-to-4 Lvcmos-to-3.3v Lvpecl Fanout Buffer
Manufacturer
Integrated Device Technology
Datasheet
P
LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-
3.3V LVPECL FANOUT BUFFER
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization
and/or qualification. Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.
IDT
G
the single ended clock input accepts LVCMOS or LVTTL input
levels and translate them to 3.3V LVPECL levels. The clock
enable is internally synchronized to eliminate runt clock pulses
on the output during asynchronous assertion/deassertion of
the clock enable pin.
Guaranteed output and part-to-part skew characteristics make
the ICS8535BI-01 ideal for those applications demanding well
defined performance and repeatability.
HiPerClockS™
4.4mm x 6.5mm x 0.925mm body package
IC S
IN
ENERAL
4mm x 4mm x 0.925mm body package
/ ICS
CLK_EN
A
nQ0
CLK_SEL
V
V
SSIGNMENT
Q0
CLK_EN
CC
EE
3.3V LVPECL FANOUT BUFFER
CLK0
The ICS8535BI-01 is a low skew, high performance
1-to-4 LVCMOS/LVTTL-to-3.3V LVPECL fanout
buffer and a member of the HiPerClockS™ family
of High Performance Clock Solutions from IDT. The
ICS8535BI-01 has two single ended clock inputs.
nQ1
nQ0
V
ICS8535BI-01
V
ICS8535BI-01
Q1
Q0
1
2
3
4
5
nc
CC
20-Lead TSSOP
EE
20-Lead VFQFN
20 19 18 17 16
D
6
G Package
K Package
Top View
ESCRIPTION
Top View
1
2
3
4
5
6
7
8
9
10
7
8
20
19
18
17
16
15
14
13
12
11
9
10
Q2
nQ2
V
nc
Q3
nQ3
V
nc
nc
CLK1
15
14
13
12
11
CC
CC
V
Q3
nQ3
V
nc
CC
CC
1
F
B
Four differential 3.3V LVPECL outputs
Selectable CLK0 or CLK1 inputs for redundant
and multiple frequency fanout applications
CLK0 or CLK1 can accept the following input levels: LVCMOS
or LVTTL
Maximum output frequency: 266MHz
Translates LVCMOS and LVTTL levels to
3.3V LVPECL levels
Output skew: TBD
Part-to-part skew: TBD
Propagation delay: 1.3ns (typical)
Additive phase jitter, RMS: 0.04ps (typical)
3.3V operating supply
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
EATURES
LOCK
CLK_SEL
CLK_EN
CLK0
CLK1
D
IAGRAM
0
1
ICS8535BGI-01 REV. B JANUARY 8, 2008
D
LE
Q
ICS8535BI-01
PRELIMINARY
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3

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ics8535ag-21t Summary of contents

Page 1

... K Package Top View The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization and/or qualification. Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice. IDT ™ / ICS ™ ...

Page 2

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER ABLE IN ESCRIPTIONS ...

Page 3

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER T 3A ABLE ONTROL NPUT UNCTION ...

Page 4

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER BSOLUTE AXIMUM ATINGS Supply Voltage Inputs, V -0. Outputs Continuous Current 50mA Surge Current 100mA Package Thermal Impedance Lead TSSOP ...

Page 5

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER 3.3V±5%, V ABLE HARACTERISTICS ...

Page 6

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER The spectral purity in a band at a specific offset from the fundamental compared to the power of the fundamental is called the dBc Phase Noise. This value is normally expressed using ...

Page 7

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER P ARAMETER LVPECL V EE -1.3V ± 0.165V 3. UTPUT OAD EST IRCUIT nQx Qx nQy Qy t sk( UTPUT KEW CLK0, ...

Page 8

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER ECOMMENDATIONS FOR NUSED I : NPUTS CLK I NPUTS For applications not requiring the use of a clock input, it can be left floating. Though not required, but for ...

Page 9

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER VFQFN EPAD T R HERMAL ELEASE In order to maximize both the removal of heat from the package and the electrical perfor mance, a land patter n must be incorporated on the ...

Page 10

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER This section provides information on power dissipation and junction temperature for the ICS8535BI-01. Equations and example calculations are also provided. 1. Power Dissipation. The total power dissipation for the ICS8535BI-01 is the ...

Page 11

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER 3. Calculations and Equations. The purpose of this section is to derive the power dissipated into the load. LVPECL output driver circuit and termination are shown in Figure calculate ...

Page 12

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER T 7A ABLE VS IR LOW ABLE FOR JA Multi-Layer PCB, JEDEC Standard Test Boards T 7B ABLE VS IR LOW ABLE FOR JA ...

Page 13

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER ACKAGE UTLINE UFFIX FOR IDT ™ / ICS ™ 3.3V LVPECL FANOUT BUFFER TSSOP EAD T 8A TSSOP ABLE ACKAGE IMENSIONS FOR M ...

Page 14

ICS8535BI-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER ACKAGE UTLINE UFFIX FOR NOTE: The following package mechanical drawing is a generic drawing that applies to any pin count VFQFN package. This draw- ing ...

Page 15

... While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology, Incorporated (IDT) assumes no responsibility for either its use or for infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications ...

Page 16

... Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT, the IDT logo, ICS and HiPerClockS are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners ...

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