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參數(shù)資料
| 型號： | SY89297UMH TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DELAY LINE 1024TAP 2NS 24-MLF |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | Precision Edge® |
| 標(biāo)片/步級數(shù)： | 1024 |
| 功能： | 多重，可編程 |
| 延遲到第一抽頭： | 2ns |
| 接頭增量： | 5ps |
| 可用的總延遲： | 2ns ~ 7.5ns |
| 獨(dú)立延遲數(shù)： | 2 |
| 電源電壓： | 2.375 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤，24-MLF? |
| 供應(yīng)商設(shè)備封裝： | 24-MLF?（4x4） |
| 包裝： | 帶卷 (TR) |
SY89297U
2.5/3.3V, 3.2Gbps Precision CML
Dual-Channel Programmable Delay
Precision Edge is a registered trademark of Micrel, Inc.
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (
408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
December 2011
M9999-120211-C
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY89297U is a DC-3.2Gbps programmable, two-
channel 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
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
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