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SY89311U Datasheet(PDF) 2 Page - Micrel Semiconductor

Part No. SY89311U
Description  2.5V/3.3V/5V 1:2 DIFFERENTIAL PECL/LVPECL/ECL FANOUT BUFFER
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

SY89311U Datasheet(HTML) 2 Page - Micrel Semiconductor

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Micrel, Inc.
SY89311U
Ordering Information
Part Number
Package Type
Operating Range
Package Marking
Lead Finish
SY89311UMITR
MLF-8
Industrial
311
Sn-Pb
SY89311UMGT
(1)
MLF-8
Industrial
311 with Pb-Free
bar-line indicator
Pb-Free NiPdAu
Note:
1.
Other voltages are available. Contact Micrel for details.
Pin Configuration
8-Pin MLF
®
Ultra-Small Outline (2mm x 2mm)
Pin Description
Pin Number
Pin Name
Type
Pin Function
1, 2, 3, 4
Q0, /Q0,
Q1, /Q1
100K Output
Differential PECL/ECL Outputs: Default to LOW if IN inputs are left open.
Q1, /Q1 See “Output Interface Applications” section for recommendations on
terminations. Unused output pairs may be left floating without any impact on
skew or jitter.
5
VEE,
Exposed Pad
Negative Power
Supply
Negative Power Supply: VEE and exposed pad must be tied to most negative
supply. For PECL/LVPECL connect to ground.
6
/IN
100K Input
Differential PECL/ECL Input: Internal 75k
Ω pull-up and pull-down resistors.
If left floating, pin defaults to VCC/2. When not used, this input can be left
open. See “Input Interface Applications” section for single-ended inputs.
7
IN
100K Input
Differential PECL/ECL Input: Internal 75k
Ω pull-down resistor. If left open,
pin defaults LOW. Q output will be LOW. Accepts differential 10K and 100K
ECL/PECL. See “Input Interface Applications” section for single-ended inputs.
2
5
Positive Power
Supply
Positive Power Supply: Bypass with 0.1µF//0.01µF low ESR capacitors
April 8, 2014
2
040814-5.0
hbwhelp@micrel.com or (408) 955-1690


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