8535-01PGG IDT, 8535-01PGG Datasheet

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8535-01PGG

Manufacturer Part Number
8535-01PGG
Description
Clock Drivers & Distribution 1
Manufacturer
IDT
Datasheet

Specifications of 8535-01PGG

Rohs
yes
Part # Aliases
IDT8535-01PGG
LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-
3.3V LVPECL FANOUT BUFFER
B
IDT
G
single ended clock input accepts LVCMOS or LVTTL input lev-
els and translate them to 3.3V LVPECL levels. The clock en-
able 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 ICS8535-01 ideal for those applications demanding well
defined performance and repeatability.
HiPerClockS™
IC S
LOCK
ENERAL
CLK_SEL
/ ICS
CLK_EN
CLK0
CLK1
3.3V LVPECL FANOUT BUFFER
D
The ICS8535-01 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
ICS8535-01 has two single ended clock inputs. the
IAGRAM
D
ESCRIPTION
0
1
D
LE
Q
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
1
P
F
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: 30ps (maximum)
Part-to-part skew: 250ps (maximum)
Propagation delay: 1.9ns (maximum)
Additve phase jitter, RMS: < 0.09ps (typical)
3.3V operating supply
0°C to 70°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
IN
EATURES
A
SSIGNMENT
4.4mm x 6.5mm x 0.92mm body package
4mm x 4mm x 0.9mm body package
CLK_EN
nQ3
V
V
CLK_SEL
Q3
CC
CLK_EN
EE
CLK0
CLK1
V
V
1
2
3
4
5
nc
nc
nc
nc
20-Lead VFQFN
CC
20-Lead TSSOP
EE
ICS8535-01
ICS8535-01
20 19 18 17 16
6
G Package
K Package
Top View
ICS8535AG-01 REV. F APRIL 12, 2007
Top View
7
1
2
3
4
5
6
7
8
9
10
8
20
19
18
17
16
15
14
13
12
11
9
10
Q0
nQ0
V
Q1
nQ1
Q2
nQ2
V
Q3
nQ3
15
14
13
12
11
CC
CC
ICS8535-01
V
Q2
nQ2
V
nc
CC
CC

Related parts for 8535-01PGG

8535-01PGG Summary of contents

Page 1

... LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO- 3.3V LVPECL FANOUT BUFFER G D ENERAL ESCRIPTION The ICS8535- low skew, high performance IC S 1-to-4 LVCMOS/LVTTL-to-3.3V LVPECL fanout HiPerClockS™ buffer and a member of the HiPerClockS™ family of High Performance Clock Solutions from IDT. The ICS8535-01 has two single ended clock inputs. the single ended clock input accepts LVCMOS or LVTTL input lev- els and translate them to 3 ...

Page 2

... ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 3

... Enabled ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 4

... ICS8535AG-01 REV. F APRIL 12, 2007 µ A µ A µ A µ ...

Page 5

... ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 6

... Input/Output Additive Phase Jitter 100k FFSET ROM ARRIER REQUENCY Z meets the noise floor of what is shown, but can actually be lower. The phase noise is dependant on the input source and measurement equipment 156.25MHz = 0.09ps (typical) 10M 100M ) ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 7

... PART 2 nQy nQx ART TO ART Clock 20% Outputs UTPUT ISE nQ0:nQ3 Q0: UTPUT UTY 7 tsk(pp) S KEW 80% 80 ALL IME PERIOD t PW odc = x 100% t PERIOD YCLE ULSE IDTH ERIOD ICS8535AG-01 REV. F APRIL 12, 2007 20% ...

Page 8

... FIN FOUT RTT T ERMINATION 8 : UTPUT 3.3V 125 125 FIN 2B. LVPECL O T IGURE UTPUT ERMINATION ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 9

... ICS8535-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER S E CHEMATIC XAMPLE Figure 3 shows a schematic example of the ICS8535-01. In this example, the CLK0 input is selected. The decoupling capacitors 3. Ohm Ohm R13 43 LVCMOS F IGURE IDT ™ / ICS ™ 3.3V LVPECL FANOUT BUFFER should be physically located near the power pin. For ICS8535-01, the unused clock outputs can be left floating ...

Page 10

... Equations and example calculations are also provided. 1. Power Dissipation. The total power dissipation for the ICS8535-01 is the sum of the core power plus the power dissipated in the load(s). The following is the power dissipation for V NOTE: Please refer to Section 3 for details on calculating power dissipated in the load. ...

Page 11

... LVPECL FANOUT BUFFER LVPECL D C IGURE RIVER IRCUIT AND – 0.9V CC_MAX – OH_MAX CC_MAX OH_MAX [( OL_MAX CC_MAX OL_MAX OUT ERMINATION load, and a termination ] * ( CC_MAX OH_MAX - CC_MAX OL_MAX ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 12

... T 7B ABLE VS IR LOW ABLE FOR JA Multi-Layer PCB, JEDEC Standard Test Boards T C RANSISTOR OUNT The transistor count for ICS8535-01 is: 412 IDT ™ / ICS ™ 3.3V LVPECL FANOUT BUFFER R I ELIABILITY NFORMATION 20 L TSSOP EAD by Velocity (Linear Feet per Minute 114.5°C/W 73.2° ...

Page 13

... ° JEDEC P 95, MO-153 EFERENCE OCUMENT UBLICATION ° ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 14

... Reference Document: JEDEC Publication 95, MO-220 VFQFN EAD ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 15

... ICS8535AG-01 REV. F APRIL 12, 2007 ° ° ° ° ° ° ° ° ...

Page 16

... ICS8535AG-01 REV. F APRIL 12, 2007 ...

Page 17

... ICS8535-01 LOW SKEW, 1-to-4 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 (outside U.S.) © ...

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