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SY88993VKC Datasheet(PDF) 1 Page - Micrel Semiconductor |
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SY88993VKC Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 8 page 1 SY88993V Micrel, Inc. M9999-082205 hbwhelp@micrel.com or (408) 955-1690 DESCRIPTION s > 3.2Gbps operation s 3.3V or 5V power supply option 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 power supply s Available in a tiny 10-pin (3mm) MSOP The SY88993V 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 4mV PP can be amplified to drive devices with CML inputs. The SY88993V generates a chatter-free Loss of Signal (LOS) open collector TTL output. The SY88993V 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 2. FEATURES 5V/3.3V 3.2Gbps HIGH-SPEED LIMITING POST AMPLIFIER SY88993V APPLICATIONS s 1.25Gbps Gigabit Ethernet s 531Mbps and 1062Mbps Fibre Channel s 622Mbps SONET s Gigabit interface converter s 2.5Gbps SDH/SONET BLOCK DIAGRAM Limiting Amplifer CML Buffer GND Enable Level Detect /EN LOS DIN /DIN VREF VCC LOSLVL DOUT /DOUT 1 Rev.: C Amendment: /0 Issue Date: August 2005 |
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