Microchip SY89295U Bedienungsanleitung
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SY89295U
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SY89295U
2.5V/3.3V 1.5GHz Precision LVPECL
Programmable Delay
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 • http://www.micrel.com
General Description
The SY89295U is a programmable delay line that delays
the input signal using a digital control signal. The delay
can vary from 3.2ns to 14.8ns in 10ps increments. In
addition, the input signal is LVPECL, uses either a 2.5V
±5% or 3.3V ±10% power supply, and is guaranteed over
the full industrial temperature range (–40°C to +85°C).
The delay varies in discrete steps based on a control word.
The control word is 10-bits long and controls the delay in
10ps increments. The eleventh bit is D[10] and is used to
simultaneously cascade the SY89295U which allows for a
larger delay range. In addition, the input pins IN and /IN
default to an equivalent low state when left floating.
Further, for maximum flexibility, the control register
interface accepts CMOS or TTL level signals.
For applications that require an analog delay input, see the
SY89296L which is a programmable delay chip with fine
tune control. The SY89295U and SY89296U are part of
Micrel’s high-speed, Precision Edge
®
product line.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com
.
Precision Edge
®
Features
• Precision LVPECL programmable delay line
• Guaranteed AC performance over temperature and
voltage:
− >1.5GHz f
MAX
− <160ps rise/fall times
• Low-jitter design:
− <10ps
PP
total jitter
− <2ps
RMS
cycle-to-cycle jitter
− <1ps
RMS
random jitter
• Programmable delay range: 3.2ns to 14.8ns in 10ps
increments
• Increased monotonicity over the MIC100EP195
• ±10ps INL
• V
BB
output reference voltage
• Parallel inputs accepts LVPECL or CMOS/LVTTL
• Low voltage operation: 2.5V ±5% and 3.3V ±10%
• Industrial –40°C to +85°C temperature range
• Available in 32-pin (5mm × 5mm) MLF
®
and
32-pin TQFP packages
Applications
• Clock de-skewing
• Timing adjustments
• Aperture centering
March 2011
M9999-032511
hbwhelp@micrel.com
or (408) 955-1690
Micrel, Inc. SY89295U
March 2011 2
M9999-032511
hbwhelp@micrel.com
Ordering Information
(1)
Part Number Package Type Operating Range Package Marking Lead Finish
SY89295UMI MLF-32 Industrial SY89295U Sn-Pb
SY89295UMI TR
(2)
MLF-32 Industrial SY89295U Sn-Pb
SY89295UTI T32-1 Industrial SY89295U Sn-Pb
SY89295UTITR
(2)
T32-1 Industrial SY89295U Sn-Pb
SY89295UMG
(3)
MLF-32 Industrial
SY89295U with
Pb-Free bar-line indicator
Pb-Free NiPd Au
SY89295UMGTR
(2, 3)
MLF-32 Industrial
SY89295U with
Pb-Free bar-line indicator
Pb-Free
NiPd Au
SY89295UTG
(3)
T32-1 Industrial
SY89295U with
Pb-Free bar-line indicator
Pb-Free
NiPd Au
SY89295UTGTR
(2, 3)
T32-1 Industrial
SY89295U with
Pb-Free bar-line indicator
Pb-Free
NiPd Au
Notes:
1. Contact factory for die availability. Dice are guaranteed at T
A
= 25°C, DC electricals only.
2. Tape and Reel.
3. Pb-Free package is recommended for new designs.
Pin Configuration
32-Pin MLF® (MLF-32)
32-Pin TQFP (T32-1)
or (408) 955-1690
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | SY89295U |
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