SY89297UMH-TR
SY89297UMH-TR Datasheet
SY89297U
| Part | Datasheet |
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SY89297UMH-TR |
SY89297UMH-TR (pdf) |
| Related Parts | Information |
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SY89297UMH |
SY89297UMH |
| PDF Datasheet Preview |
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| SY89297U 2.5V, 3.2Gbps Precision CML Dual-Channel Programmable Delay 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 20ps 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 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: Precision • 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 -10ps to +20ps Resolution 5ps programming increments • Low-jitter design 2psRMS typical random jitter • Programmable delay range 5ns delay range • Cascade capability for increased delay • Low voltage operation 2.5V ± 5% • Temperature range 0°C to +75°C • Available in 24-pin 4mm x 4mm QFN • 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. MicroLeadFrame and MLF are registered trademarks of Amkor, Inc. Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 408 944-0800 • fax + 1 408 474-1000 • August 2008 M9999-081208-B or 408 955-1690 Micrel, Inc. Ordering Information 1 Package Type Operating Range Package Marking SY89297UMH SY89297UMHTR 2 MLF-24 MLF-24 Commercial 297U with Pb-Free bar line indicator 297U with Pb-Free bar-line indicator Notes Contact factory for die availability. Dice are guaranteed at TA = 25°C, DC electricals only. Tape and Reel. Lead Finish Pb-Free NiPdAu Pb-Free NiPdAu SY89297U Pin Configuration 24-Pin MLF-24 Truth Tables Inputs INA, INB /INA, /INB Outputs QA, QB /QA, /QB Table Inputs/Outputs Input Enable Latches Outputs /ENA, /ENB 1 Q, /Q A, B Q = Low /Q = HIGH IN, /IN Delayed normal operation Table Input Enable Latches Outputs August 2008 M9999-081208-B or 408 955-1690 Micrel, Inc. Functional Block Diagram SY89297U August 2008 M9999-081208-B or 408 955-1690 Micrel, Inc. SY89297U Pin Description Pin Number Pin Name |
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