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8S58035AKILF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
1©2016 Integrated Device Technology, Inc Revision A February 5, 2016
General Description
The 8S58035I is a high speed 2-to-6 Differential-to-LVPECL Fanout
Buffer. The 8S58035I is optimized for high speed and very low output
skew, making it suitable for use in demanding applications such as
SONET, 1 Gigabit and 10 Gigabit Ethernet, and Fiber Channel. The
internally terminated differential inputs and V
REF_AC
pins allow other
differential signal families such as LVDS, LVHSTL and CML to be
easily interfaced to the input with minimal use of external compo-
nents. The device also has a 2:1 MUX input, allowing for easy selec-
tion between two clock reference sources. The 8S58035I is
packaged in a small 5mm x 5mm 32-pin VFQFN package which
makes it ideal for use in space-constrained applications.
Features
• Six LVPECL outputs
• INx, nINx inputs can accept the following differential input levels:
LVPECL, LVDS, CML
• 50 internal input termination to V
T
• Two selectable differential input pairs
• Maximum output frequency: 3.2GHz
• Output Skew: 45ps (maximum)
• Part-to-Part Skew: 200ps (maximum)
• Additive phase jitter, RMS: 47fs (typical),
(f
REF
= 622.08MHz, 12kHz - 20MHz, V
CC
= 3.3V)
• Propagation Delay: 580ps (maximum)
• LVPECL mode operating voltage supply range:
V
CC
= 2.5V±5%, 3.3V±10%, V
EE
= 0V
• -40°C to 85°C ambient operating temperature
8S58035I
32-Lead VFQFN
5mm x 5mm x 0.925mm package body
3.15mm x 3.15mm Epad Size
K Package
Top View
Pin Assignment
9 10111213 14 15 16
32 31 302928 27 26 25
V
EE
SEL
V
CC
Q0
nQ0
Q1
nQ1
V
CC
V
EE
nc
V
CC
nQ5
Q5
nQ4
Q4
V
CC
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
IN0
V
T0
V
REF_AC0
nIN0
IN1
V
T1
V
REF_AC1
nIN1
V
EE
V
CC
Q2
nQ2
Q3
nQ3
V
CC
V
EE
Block Diagram
IN0
nIN0
Q0
nQ0
V
T0
Q1
nQ1
Q2
nQ2
Q3
nQ3
IN1
nIN1
V
T1
V
REF_
AC
1
Q4
nQ4
Q5
nQ5
0
1
SEL
Pullup
V
REF_
AC
0
50
50
50
50
8S58035I
Data Sheet
Low Skew, 2:1 LVPECL MUX with 1:6
Fanout and Internal Termination
2©2016 Integrated Device Technology, Inc Revision A February 5, 2016
8S58035I Data Sheet
Table 1. Pin Descriptions
NOTE: Pullup refers to an internal input resistor. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Function Tables
Table 3. SEL Function Table
Number Name Type Description
1, 5 IN0, IN1 Input
Non-inverting differential LVPECL clock inputs.
R
T
= 50 termination to V
T.
2, 6 V
T0
, V
T1
Input
Termination inputs.
3, 7
V
REF_AC0
,
V
REF_AC1
Output Reference voltage for AC-coupled applications.
4, 8
nIN0, nIN1
Input
Inverting differential LVPECL clock inputs.
R
T
= 50 termination to V
T.
9, 17, 24, 32 V
EE
Power Negative supply pins.
10 nc No connect pin.
11, 16, 18, 23,
25, 30
V
CC
Power Positive supply pins.
12, 13 nQ5, Q5 Output Differential output pair. LVPECL interface levels.
14, 15
nQ4, Q4
Output Differential output pair. LVPECL interface levels.
19, 20 nQ3, Q3 Output Differential output pair. LVPECL interface levels.
21, 22
nQ2, Q2
Output Differential output pair. LVPECL interface levels.
26, 27 nQ1, Q1 Output Differential output pair. LVPECL interface levels.
28, 29
nQ0, Q0
Output Differential output pair. LVPECL interface levels.
31
SEL
Input Pullup Input select pin. LVCMOS/LVTTL interface levels.
Symbol Parameter Test Conditions Minimum Typical Maximum Units
R
PULLUP
Input Pullup Resistor 51 k
SEL Function
0 IN0, nIN0 input selected
1 IN, nIN1 input selected (default)
3©2016 Integrated Device Technology, Inc Revision A February 5, 2016
8S58035I Data Sheet
Absolute Maximum Ratings
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 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.
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, V
CC
= 2.375V to 3.6V, V
EE
= 0V, T
A
= -40°C to 85°C
Table 4B. LVCMOS/LVTTL DC Characteristics, V
CC
= 2.375V to 3.6V, V
EE
= 0V, T
A
= -40°C to 85°C
Item Rating
Supply Voltage, V
CC
4.6V
Inputs, V
I
-0.5V to V
CC
+ 0.5V
Outputs, I
O
(LVPECL)
Continuous Current
Surge Current
50mA
100mA
Input Current, I
IN
(IN0, nIN0, IN1, nIN1)
V
T
Current, I
VT
V
REF_AC
Input Sink/Source, I
REF_AC
±50mA
±100mA
±2mA
Package Thermal Impedance,
JA
42.7C/W (0 mps)
Storage Temperature, T
STG
-65C to 150C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
V
CC
Positive Supply Voltage 2.375 3.3 3.6 V
I
EE
Power Supply Current 90mA
Symbol Parameter Test Conditions Minimum Typical Maximum Units
V
IH
Input High Voltage V
CC
= 3.6V 2.2 V
CC
+ 0.3 V
V
IL
Input Low Voltage V
CC
= 3.6V -0.3 0.8 V
I
IH
Input High Current V
CC
= V
IN
= 3.6V 10 µA
I
IL
Input Low Current V
CC
= 3.6V, V
IN
= 0V -150 uA
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

8S58035AKILF

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Clock Drivers & Distribution 2:1 MUX WITH 6 OUTPUT FANOUT BUFFER
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