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SY88993AV Datasheet(PDF) 1 Page - Micrel Semiconductor

Part No. SY88993AV
Description  5V/3.3V 3.2Gbps HIGH-SPEED LIMITING POST AMPLIFIER
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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SY88993AV Datasheet(HTML) 1 Page - Micrel Semiconductor

   
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DESCRIPTION
s > 3.2Gbps operation
s Low noise CML Data Outputs
s Chatter-Free LOS generation
s Open Collector TTL LOS output
s TTL /EN Input
s Differential PECL inputs for data
s Single 3.3V or 5V power supply
s Designed for use with SY88922V and SY88905
s Available in a tiny 10-pin (3mm) MSOP
The SY88993AV limiting post amplifier with its high and
wide bandwidth is ideal for use as a post amplifier in fiber-
optic receivers with data rates up to 3.2Gbps. Signals as
small as 4mVp-p can be amplified to drive devices with
CML inputs or AC coupled PECL inputs. The SY88993AV
generates a chatter-free Loss of Signal (LOS) open collector
TTL output.
The SY88993AV incorporates a programmble level detect
function to identify when the input signal has been lost.
This information can be fed back to the /EN input of the
device to maintain stability under loss of signal conditions.
Using LOS
LVL pin the sensitivity of the level detect can be
adjusted. The LOS
LVL voltage can be set by connecting a
resistor divider between V
CC and VREF, Figure 3.
FEATURES
5V/3.3V 3.2Gbps HIGH-SPEED
LIMITING POST AMPLIFIER
SY88993AV
APPLICATIONS
s 1.25Gbps and 2.1Gbps Gigabit Ethernet
s 531Mbps, 1062Mbps and 2.5Gbps SONET/SDH Fibre
Channel
s 622Mbps
s Gigabit interface converter (GBIC)
s Small Form Factor Trancievers
s Parallel 10G Ethernet
PIN CONFIGURATION
BLOCK DIAGRAM
1
/EN
DIN
/DIN
VREF
LOSLVL
10 VCC
DOUT
/DOUT
LOS
GND
9
8
7
6
2
3
4
5
MSOP
K10-1
Limiting
Amplifer
CML
Buffer
DIN
DIN
VREF
VCC
GND
LOSLVL
Enable
Level
Detect
DOUT
DOUT
EN
LOS
1
Rev.: A
Amendment: /1
Issue Date: October, 2000
SY88993AV
LOS
4.7k to 10k
VCC


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