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SY89297U

Micrel Semiconductor
Part Number SY89297U
Manufacturer Micrel Semiconductor
Description 3.2Gbps Precision CML
Published May 2, 2012
Detailed Description SY89297U 2.5/3.3V, 3.2Gbps Precision CML Dual-Channel Programmable Delay General Description The SY89297U is a DC-3.2Gb...
Datasheet PDF File SY89297U PDF File

SY89297U
SY89297U

Overview
SY89297U 2.
5/3.
3V, 3.
2Gbps Precision CML Dual-Channel Programmable Delay General Description The SY89297U is a DC-3.
2Gbps programmable, twochannel delay line.
Each channel has a delay range from 2ns to 7ns (5ns delta delay) in programmable increments as small as 5ps.
The delay step is extremely linear and monotonic over the entire programming range, with 15ps INL over temperature and voltage.
The delay varies in discrete steps based on a serial control word provided by the 3-pin serial control (SDATA, SCLK, and SLOAD).
The control word for each channel is 10-bits.
Both channels are programmed through a common serial interface.
For increased delay, multiple SY89297U delay lines can be cascaded together.
The SY89297U provides two independent 3.
2Gbps delay lines in an ultra-small 4mm x 4mm, 24-pin QFN package.
For other delay line solutions, consider the SY89295U and SY89296U single-channel delay lines.
Evaluation boards are available for all these parts.
Datasheets and support documentation can be found on Micrel’s web site at: www.
micrel.
com.
Precision Edge® Features • Dual-channel, programmable delay line • Serial programming interface (SDATA, SCLK, SLOAD) • Guaranteed AC performance over temperature and voltage: – > 3.
2Gbps/1.
6GHz fMAX • Programming Accuracy: – Linearity: −15ps to +15ps INL – Monotonic: −5ps to +25ps – Resolution: 5ps programming increments • Low-jitter design: 1psRMS typical random jitter • Programmable delay range: 5ns delay range • Cascade capability for increased delay • Flexible voltage operation: – VCC = 2.
5V ± 5% or 3.
3V ± 10% • Industrial temperature range: −40°C to +85°C • Available in 24-pin (4mm x 4mm) QFN www.
DataSheet.
co.
kr Applications • • • • Clock de-skewing Timing adjustments Aperture centering System calibration Markets • • • • Automated test equipment Digital radio and video broadcasting Closed caption encoders/decoders Test and measurement Precision Edge is a registered trademark of Micrel, Inc.
Micrel Inc.
• 2180 Fortune ...


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