85104AGILFT Integrated Device Technology (Idt), 85104AGILFT Datasheet

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85104AGILFT

Manufacturer Part Number
85104AGILFT
Description
Clock Driver 2-IN HCSL 20-Pin TSSOP T/R
Manufacturer
Integrated Device Technology (Idt)
Datasheet

Specifications of 85104AGILFT

Package
20TSSOP
Configuration
1 x 2:1
Input Signal Type
HCSL|LVCMOS|LVDS|LVHSTL|LVPECL|LVTTL|SSTL
Maximum Output Frequency
500 MHz
Operating Supply Voltage
3.3 V

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
85104AGILFT
Manufacturer:
IDT
Quantity:
20 000
Company:
Part Number:
85104AGILFT
Quantity:
3 100
LOW SKEW, 1-TO-4, DIFFERENTIAL/
LVCMOS-TO-0.7V HCSL FANOUT BUFFER
B
IDT
G
The CLK0, nCLK0 pair can accept most standard differential
input levels. The single-ended CLK1 can accept LVCMOS or
LVTTL input levels. The clock enable is internally synchronized
to eliminate runt clock pulses on the outputs during asynchro-
nous assertion/deassertion of the clock enable pin.
Guaranteed output and part-to-part skew characteristics make
the ICS85104I ideal for those applications demanding well
defined performance and repeatability.
HiPerClockS™
CLK_SEL
IC S
CLK_EN
LOCK
ENERAL
nCLK0
CLK0
CLK1
IREF
/ ICS
Pullup
Pulldown
Pullup/Pulldown
Pulldown
Pulldown
0.7V HCSL FANOUT BUFFER
D
The ICS85104I is a low skew, high performance 1-
to-4 Differential/LVCMOS-to-0.7V HCSL Fanout
Buffer and a member of the HiPerClockS™ family
of High Performance Clock Solutions from IDT.
The ICS85104I has two selectable clock inputs.
IAGRAM
D
ESCRIPTION
0
1
D
LE
Q
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
1
F
Four 0.7V differential HCSL outputs
Selectable differential CLK0, nCLK0 or LVCMOS inputs
CLK0, nCLK0 pair can accept the following differential
input levels: LVPECL, LVDS, LVHSTL, HCSL, SSTL
CLK1 can accept the following input levels:
LVCMOS or LVTTL
Maximum output frequency: 500MHz
Translates any single-ended input signal to 3.3V
HCSL levels with resistor bias on nCLK input
Output skew: 100ps (maximum)
Part-to-part skew: 600ps (maximum)
Propagation delay: 3.2ns (maximum)
Additive phase jitter, RMS: 0.22ps (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
P
6.5mm x 4.4mm x 0.925mm Package Body
IN
A
CLK_SEL
SSIGNMENT
CLK_EN
nCLK0
CLK0
CLK1
IREF
GND
V
20-Lead TSSOP
nc
nc
DD
ICS85104I
ICS85104AGI REV. A FEBRUARY 25, 2009
G Package
Top View
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Q0
nQ0
V
Q1
nQ1
Q2
nQ2
V
Q3
nQ3
DD
DD
ICS85104I

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85104AGILFT Summary of contents

Page 1

LOW SKEW, 1-TO-4, DIFFERENTIAL/ LVCMOS-TO-0.7V HCSL FANOUT BUFFER G D ENERAL ESCRIPTION The ICS85104I is a low skew, high performance to-4 Differential/LVCMOS-to-0.7V HCSL Fanout HiPerClockS™ Buffer and a member of the HiPerClockS™ family of High Performance Clock ...

Page 2

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER ABLE IN ESCRIPTIONS ...

Page 3

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER ABLE ONTROL NPUT UNCTION ABLE ...

Page 4

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER BSOLUTE AXIMUM ATINGS Supply Voltage Inputs, V -0. Outputs Continuous Current 50mA Surge Current 100mA Package Thermal Impedance, JA Storage Temperature, T ...

Page 5

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER 3.3V±10%, T ABLE HARACTERISTICS ...

Page 6

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL 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

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER P ARAMETER 3.3V±10 HCSL 50 GND 475 IREF 0V This load condition is used for sk(o and t jit measurements HCSL O ...

Page 8

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER P ARAMETER Clock Period (Differential) Positive Duty Cycle (Differential) 0. IFFERENTIAL EASUREMENT OINTS FOR T STABLE V RB +150mV V = +100mV RB 0. ...

Page 9

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER ECOMMENDATIONS FOR NUSED I : NPUTS CLK I NPUT For applications not requiring the use of a clock input, it can be left floating. Though not required, but for ...

Page 10

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER IFFERENTIAL LOCK NPUT NTERFACE The CLK/nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL and other differential signals. Both signals must meet the V V input requirements. Figures 3A to ...

Page 11

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER R T ECOMMENDED ERMINATION Figure 4A is the recommended termination for applications which require the receiver and driver separate PCB. All traces should be 50 impedance. Figure 4B ...

Page 12

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER This section provides information on power dissipation and junction temperature for the ICS85104I. Equations and example calculations are also provided. 1. Power Dissipation. The total power dissipation for the ICS85104I is the ...

Page 13

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER 3. Calculations and Equations. The purpose of this section is to calculate power dissipation on the IC per HCSL output pair. HCSL output driver circuit and termination are shown in Figure 5. ...

Page 14

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER ABLE VS IR LOW ABLE FOR JA Multi-Layer PCB, JEDEC Standard Test Boards T C RANSISTOR OUNT The transistor count for ICS85104I is: 614 P P ...

Page 15

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL FANOUT BUFFER ABLE RDERING NFORMATION ...

Page 16

ICS85104I LOW SKEW, 1-TO-4, DIFFERENTIAL/LVCMOS-TO-0.7V HCSL 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 ...

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