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8S89831I PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 8S89831I
기능 Differential LVPECL-To-LVPECL/ECL Fanout Buffer
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8S89831I 데이터시트, 핀배열, 회로
Differential LVPECL-To-LVPECL/ECL
Fanout Buffer
8S89831I
Data Sheet
General Description
The 8S89831I is a high speed 1-to-4 Differential- to-LVPECL/ECL
Fanout Buffer. The 8S89831I 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 Fibre
Channel. The internally terminated differential input and VREF_AC pin
allow other differential signal families such as LVDS, LVHSTL and
CML to be easily interfaced to the input with minimal use of external
components. The device also has an output enable pin which may be
useful for system test and debug purposes. The 8S89831I is
packaged in a small 3mm x 3mm 16-pin VFQFN package which
makes it ideal for use in space-constrained applications.
Features
Four LVPECL/ECL outputs
IN, nIN input can accept the following differential input levels:
LVPECL, LVDS, CML, SSTL
50internal input termination to VT
Output frequency: >2.1GHz
Output skew: 30ps (maximum)
Part-to-part skew: 185ps (maximum)
Additive phase jitter, RMS: 0.31ps (typical)
Propagation Delay: 570ps (maximum)
LVPECL mode operating voltage supply range:
VCC = 2.5V±5%, 3.3V±5%, VEE = 0V
ECL mode operating voltage supply range:
VCC = 0V, VEE = -3.3V±5%, -2.5V±5%
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package
Block Diagram
EN Pullup
DQ
IN
VT 50Ω
nIN 50Ω
VREF_AC
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Pin Assignment
16 15 14 13
Q1 1
12 IN
nQ1 2
11 VT
Q2 3
10 VREF_AC
nQ2 4
9 nIN
5 6 78
8S89831I
16-Lead VFQFN
3mm x 3mm x 0.925mm package body
K Package
Top View
©2016 Integrated Device Technology, Inc
1
Revision A January 27, 2016




8S89831I pdf, 반도체, 판매, 대치품
8S89831I 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.
Item
Supply Voltage, VCC
Negative Supply Voltage, VEE
Inputs, VI (LVPECL mode)
Inputs, VI (ECL mode)
Outputs, IO
Continuous Current
Surge Current
Input Current, IN, nIN
VT Current, IVT
VREF_AC Input Sink/Source Current, IREF_AC
Operating Temperature Range, TA
Package Thermal Impedance, JA, (Junction-to-Ambient)
Storage Temperature, TSTG
Rating
4.6V (LVPECL mode, VEE = 0V)
-4.6V (ECL mode, VCC = 0V)
-0.5V to VCC + 0.5V
0.5V to VEE – 0.5V
50mA
100mA
±50mA
±100mA
± 2mA
-40°C to +85°C
74.7C/W (0 mps)
-65C to 150C
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, VCC = 2.5V ± 5%, 3.3V ± 5%, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum Typical
VCC Positive Supply Voltage
IEE Power Supply Current
2.375
3.3
Maximum
3.465
45
Units
V
mA
Table 4B. LVCMOS/LVTTL DC Characteristics, VCC = 2.5V ± 5%, 3.3V ± 5%, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum Typical
VIH Input High Voltage
VIL Input Low Voltage
IIH Input High Current
IIL Input Low Current
VCC = VIN = 3.465V
VCC = 3.465V, VIN = 0V
2.2
0
-150
Maximum
VCC + 0.3
0.8
10
Units
V
V
µA
µA
©2016 Integrated Device Technology, Inc
4
Revision A January 27, 2016

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8S89831I 전자부품, 판매, 대치품
Parameter Measurement Information
2V
SCOPE
VCC
Qx
VEE
-0.375V to -1.465V
Output Load AC Test Circuit
nQx
Part 1
nQx
Qx
Part 2
nQy
Qy
t sk(pp)
Part-to-Part Skew
8S89831I Data Sheet
VCC
nIN
V
IN
IN
VEE
Cross Points
V
IL
V
IH
nIN
V,
IN
VOUT
IN
Single-Ended Voltage Swing
nIN
V,
DIFF_IN
VDIFF_OUT
IN
Differential Voltage Swing = 2 x VIN
Differential Input Level
nQx
Qx
nQy
Qy
VIN, VOUT
800mV
(typical)
VDIFF_IN, VDIFF_OUT
1600mV
(typical)
Single-ended & Differential Input Voltage Swing
Output Skew
nIN
IN
nQ0:nQ3
Q0:Q3
tPD
Propagation Delay
©2016 Integrated Device Technology, Inc
7
Revision A January 27, 2016

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8S89831I

Differential LVPECL-To-LVPECL/ECL Fanout Buffer

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