SY89295UTI Micrel Inc, SY89295UTI Datasheet

SY89295UTI

Manufacturer Part Number

SY89295UTI

Description

IC DELAY LINE 2.5V/3.3V 32-TQFP

Manufacturer

Micrel Inc

Type

Programmable Delay Chipr

Datasheets

1.SY89295UTG.pdf (17 pages)

2.SY89295UTI.pdf (15 pages)

Specifications of SY89295UTI

Input

LVPECL

Output

LVPECL

Frequency - Max

1.5GHz

Voltage - Supply

2.375 V ~ 3.6 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

32-TQFP, 32-VQFP

Frequency-max

1.5GHz

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

SY89295UTI

Manufacturer:

Micrel Inc

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

SY89295UTI TR

Manufacturer:

Micrel Inc

Quantity:

10 000

Current page: 1 of 17
Download datasheet (632Kb)

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

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

Precision Edge is a registered trademark of Micrel, Inc

MicroLeadFrame and MLF are registered trademarks of Amkor, Inc.

March 2011

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

product line.

Features

• Precision LVPECL programmable delay line

• Guaranteed AC performance over temperature and

• Low-jitter design:

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

• Increased monotonicity over the MIC100EP195

• ±10ps INL

• V

• 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

Applications

• Clock de-skewing

• Timing adjustments

• Aperture centering

408

voltage:

− >1.5GHz f

− <160ps rise/fall times

− <10ps

− <2ps

− <1ps

increments

32-pin TQFP packages

) 944-0800 • fax + 1 (408) 474-1000 •

2.5V/3.3V 1.5GHz Precision LVPECL

output reference voltage

RMS

Programmable Delay

total jitter

cycle-to-cycle jitter

random jitter

MAX

SY89295U

hbwhelp@micrel.com

http://www.micrel.com

or (408) 955-1690

and

Precision Edge

M9999-032511

Related parts for SY89295UTI

SY89295UTI Summary of contents

Page 1

... Micrel’s web site at: www.micrel.com. 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 ( March 2011 2.5V/3.3V 1.5GHz Precision LVPECL Features • ...

Page 2

... Micrel, Inc. (1) Ordering Information Part Number Package Type SY89295UMI MLF-32 (2) SY89295UMI TR MLF-32 SY89295UTI T32-1 (2) SY89295UTITR T32-1 (3) SY89295UMG MLF-32 (2, 3) SY89295UMGTR MLF-32 (3) SY89295UTG T32-1 (2, 3) SY89295UTGTR T32-1 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. 3. Pb-Free package is recommended for new designs. ...

Page 3

Micrel, Inc. Truth Tables Input/Output Inputs IN / Digital Control Latch LEN 0 1 Input Enable / March 2011 Outputs OUT 0 1 Latch Action Pass Through D[10:0] Latched Q, /Q IN, /IN Delayed ...

Page 4

Micrel, Inc. Functional Block Diagram March 2011 SY89295U Block Diagram 4 SY89295U M9999-032511 hbwhelp@micrel.com or (408) 955-1690 ...

Page 5

Micrel, Inc. Pin Description Pin Number Pin Name 23, 25, 26, 27, 29, D[9:0] 30, 31, 32 D10 4, 5 IN, /IN (1) 6 VBB 7 VEF 8 VCF GND, 9, 24, 28 Exposed Pad 10 LEN ...

Page 6

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) ................................... –0.5V to +4.0V CC Input Voltage (V ) .......................................... –0. LVPECL Output Current (I ) OUT Continuous............................................................50mA Surge ..................................................................100mA Lead Temperature (soldering, 20 sec.).................... +260°C Storage Temperature ...

Page 7

Micrel, Inc. DC Electrical Characteristics V = 2.5V –40°C to 85°C, unless otherwise stated. CC Symbol Parameter V Input High Voltage (IN, /IN Input Low High Voltage (IN, /IN Output Voltage Reference BB ...

Page 8

Micrel, Inc. AC Electrical Characteristics T = –40°C to +85°C, unless noted. A Symbol Parameter f Maximum Operating Frequency MAX Propagation Delay D[0–10]=1023 pd / D[0–10]=0 Programmable Range t RANGE t t Duty Cycle ...

Page 9

Micrel, Inc. (7) AC Electrical Characteristics T = –40°C to +85°C, unless noted. A Symbol Parameter Release Time t R Cycle-to-Cycle Jitter t Total Jitter JITTER Random Jitter Output Rise/Fall Time r f Duty Cycle Notes: 13. ...

Page 10

Micrel, Inc. Typical Operating Characteristics V = 3.3V, GND = 100mV March 2011 = 25ºC, unless otherwise stated SY89295U M9999-032511 hbwhelp@micrel.com or (408) 955-1690 ...

Page 11

Micrel, Inc. Timing Diagrams Single-Ended and Differential Swings Figure 1a. Single-Ended Voltage Swing Input and Output Stages Figure 2a. Differential Input Stage March 2011 Figure 1b. Differential Voltage Swing Figure 2b. Single-Ended Input Stage 11 SY89295U Figure 3. LVPECL Output ...

Page 12

Micrel, Inc. Output Interface Applications Figure 4. Parallel Termination March 2011 Figure 6. Terminating Unused I/O 12 SY89295U Figure 5. Y-Termination M9999-032511 hbwhelp@micrel.com or (408) 955-1690 ...

Page 13

Micrel, Inc. Applications Information For best performance, use good high-frequency layout techniques, filter V supplies, and keep ground CC connections short. Use multiple vias where possible. Also, use controlled impedance transmission lines to interface with the SY89295U data inputs and ...

Page 14

Micrel, Inc. March 2011 Figure 7. Cascading Two SY89295U Figure 8. Cascading Three SY89295U Figure 8. Cascading Four SY89295U 14 SY89295U M9999-032511 hbwhelp@micrel.com or (408) 955-1690 ...

Page 15

Micrel, Inc. Interface Applications Figure 10. Interfacing to a Single-Ended LVPECL Signal Figure 13. Re-Biasing an AC-Coupled Signal Related Product and Support Documentation Part Number Function 2.5/3.3V 1.5GHz Precision LVPECL SY89295U Programmable Delay 2.5/3.3V 1.5GHz Precision LVPECL SY89296U Programmable Delay ...

Page 16

Micrel, Inc. Package Information (Always solder, or equivalent, the exposed pad to the PCB) Package Notes: 1. Package meets Level 2 qualifications 2. All parts are dry-packed before shipment. 3. Exposed pads must be soldered to a ground for proper ...

Page 17

Micrel, Inc. Package Information (Continued) MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB Micrel makes no representations or warranties with respect to the accuracy or completeness of the information ...

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