SY89295UTITR Datasheet

IC型号：
SY89295UTITR
PDF描述：
2.5V / 3.3V 1.5 GHZ PRECISION LVPECL PROGRAMMABLE DELAY
文件大小：
169.42KB
PDF页数：
15页
芯片厂家：
MICREL

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Micrel

2.5V/3.3V 1.5GHz PRECISION

LVPECL PROGRAMMABLE DELAY

Precision Edge鈩?/div>

SY89295U

Precision Edge鈩?/div>

SY89295U

FEATURES

Precision LVPECL programmable delay line

Guaranteed AC performance over temperature and

voltage:

鈥?/div>

> 1.5GHz f

MAX

鈥?/div>

< 160ps rise/fall times

Low-jitter design:

鈥?/div>

< 10ps

total jitter

鈥?/div>

< 2ps

rms

cycle-to-cycle jitter

鈥?/div>

< 1ps

rms

random jitter

Programmable delay range: 3.2ns to 14.8ns in 10ps

increments

Increased monotonicity over the MIC100EP195

卤

10% of LSB INL

output reference voltage

Parallel inputs accepts LVPECL or CMOS/LVTTL

Low voltage operation: 2.5V

卤

5% and 3.3V

卤

10%

Industrial 鈥?0

掳

C to +85

掳

C temperature range

Available in 32-pin (5mm

脳

5mm) MLF鈩?and 32-pin

TQFP packages

Precision Edge鈩?/div>

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

卤5%

or 3.3V

卤10%

power supply, and is guaranteed over the full industrial

temperature range (鈥?0掳C to +85掳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 requires 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鈥檚 high-speed, Precision Edge鈩?product line.

All support documentation can be found on Micrel鈥檚

website at www.micrel.com.

APPLICATIONS

Clock de-skewing

Timing adjustments

Aperture centering

Precision Edge is a trademark of Micrel, Inc.

Micro

LeadFrame and MLF are trademarks of Amkor Technology, Inc.

M9999-031604

hbwhelp@micrel.com or (408) 955-1690

Rev.: A

Amendment: /0

Issue Date: March 2004

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