sy89546u Micrel Semiconductor, sy89546u Datasheet

sy89546u

Manufacturer Part Number

sy89546u

Description

2.5v, 3.2gbps Differential 4 1 Lvds Multiplexer With 1 2 Fanout And Internal Termination - Micrel Semiconductor

Manufacturer

Micrel Semiconductor

Datasheet

1.SY89546U.pdf (10 pages)

Current page: 1 of 10
Download datasheet (183Kb)

Micrel, Inc.

T Selects among four differential inputs

T Provides two copies of the selected input

T Guaranteed AC performance over temp and voltage:

T Unique input isolation design minimizes crosstalk

T Ultra-low jitter design:

T Internal input termination

T Unique input termination and V

T 350mV LVDS output swing

T Power supply 2.5V ±5%

T –40°C to +85°C temperature range

T Available in 32-pin (5mm x 5mm) MLF

T SONET/SDH multi-channel select applications

T Fibre Channel applications

T GigE applications

Precision Edge is a registered trademark of Micrel, Inc.

MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc.

M9999-082407

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

FEATURES

APPLICATIONS

TYPICAL PERFORMANCE

• DC-to > 3.2Gbps data rate throughput

• < 620ps In-to-Out t

• < 150ps t

• < 1ps

• < 10ps

• < 0.7ps

coupled and AC-coupled inputs (LVDS, LVPECL,

CML)

RMS

400

350

300

250

200

150

100

deterministic jitter

total jitter (clock)

random jitter

crosstalk-induced jitter

1000 2000 3000 4000 5000 6000

Output Amplitude

FREQUENCY (MHz)

vs. Frequency

pin accepts DC-

2.5V, 3.2Gbps DIFFERENTIAL 4:1 LVDS

MULTIPLEXER WITH 1:2 FANOUT

AND INTERNAL TERMINATION

package

multiplexer that provides two copies of the selected input.

The high speed LVDS (350mV) compatible outputs with a

guaranteed throughput of up to 3.2Gbps over temperature

and voltage.

3-pin internal termination design that allows access to the

termination network through a V

the device to easily interface to different logic standards,

both AC- and DC-coupled without external resistor-bias and

termination networks. The result is a clean, stub-free, low

jitter interface solution.

is guaranteed over the full industrial temperature range

(–40°C to +85°C). For applications that require a 3.3V supply,

consider the SY89547L. Or, for applications that only require

one differential output, consider the SY89544U or SY89545L.

The SY89546U is part of Micrel’s Precision Edge

family.

site at www.micrel.com.

DESCRIPTION

FUNCTIONAL BLOCK DIAGRAM

The SY89546U is a precision, high-speed 4:1 differential

The SY89546U operates from a single 2.5V supply, and

All support documentation can be found on Micrel’s web

The SY89546U differential inputs include Micrel’s unique,

/IN0

/IN1

/IN2

/IN3

IN0

IN1

IN2

IN3

50Ω

SEL0 (CMOS/TTL)

SEL1 (CMOS/TTL)

3 S0

4:1 MUX

MUX

pin. This feature allows

Precision Edge

Rev.: C

Issue Date: August 2007

Precision Edge

1:2 Fanout

SY89546U

Amendment: /0

SY89546U

LVDS

/Q0

/Q1

product

Related parts for sy89546u

sy89546u Summary of contents

Page 1

... The result is a clean, stub-free, low T jitter interface solution. The SY89546U operates from a single 2.5V supply, and is guaranteed over the full industrial temperature range (–40°C to +85°C). For applications that require a 3.3V supply, consider the SY89547L. Or, for applications that only require one differential output, consider the SY89544U or SY89545L. ® ...

Page 2

... Ground: Ground pin and exposed pad must be connected to the same ground plane. 2 Precision Edge Operating Package Range Marking Industrial SY89546U Industrial SY89546U Industrial SY89546U with Pb-Free bar-line indicator Industrial SY89546U with Pb-Free bar-line indicator = 25°C, DC electricals only. A /2. CC ® SY89546U Lead ...

Page 3

... JA Still-Air ................................................................ 35°C/W 500lfpm .............................................................. 28°C/W ® MLF (< Junction-to-Board .............................................. 20°C/W (5) Condition (6) No Load, Max Note 7 Note 7 Note 7 and V definition. IN DIFF_IN 3 Precision Edge SY89546U (2) ) .............................. 2.375V to 2.625V CC ) ........................ –40°C to +85°C A (4) Min Typ Max 2.375 2.5 2.625 75 100 80 100 120 1 ...

Page 4

... Q and /Q, unless otherwise stated. L Condition See Figure 5a See Figure 5a See Figures 1a, 5a See Figure 1b See Figure 5b See Figure 5b (9) Condition 4 ® Precision Edge SY89546U Min Typ Max Units 1.475 V 0.925 V 250 350 mV 500 700 mV 1.125 1 ...

Page 5

... Note 17 Note 18 At full output swing 23 –1 PRBS pattern more than one output edge in 10 MAX -T where T is the time between rising edges of the output n n-1 5 Precision Edge SY89546U Min Typ Max NRZ Data 3.2 Clock 4 330 430 530 200 400 700 ...

Page 6

... Figure 2. Timing Diagram IN2 IN3 SEL0 Precision Edge V , DIFF_IN V 700mV (Typ.) DIFF_OUT Figure 1b. Differential Voltage Swing SEL1 ® SY89546U / ...

Page 7

... Mask (2 TIME (70ps/div.) M9999-082407 hbwhelp@micrel.com or (408) 955-1690 –1 PRBS PRBS) 23 –1 PRBS) 7 Precision Edge 2.5GHz Output Q /Q TIME (50ps/div.) 23 1xFC Mask (2 -1 PRBS) TIME (200ps/div.) 23 2xFC Mask (2 -1 PRBS) TIME (100ps/div.) 23 3.2Gbps Eye (2 –1 PRBS) TIME (70ps/div.) ® SY89546U ...

Page 8

... Figure 3. Simplified Differential Input Stage CML /IN SY89546U GND V – 1. GND Figure 4b. CML Interface (AC-Coupled LVDS /IN SY89546U GND Figure 4e. LVDS Interface 8 ® Precision Edge SY89546U LVPECL / SY89546U 0.01µF GND For V = 2.5V 19Ω Figure 4c. LVPECL Interface (DC-Coupled) ...

Page 9

... EMI low. V 100Ω OUT Figure 5b. LVDS Common Mode Measurement Data Sheet Link http://www.micrel.com/_PDF/HBW/sy89542u.pdf http://www.micrel.com/_PDF/HBW/sy89543l.pdf http://www.micrel.com/_PDF/HBW/sy89544u.pdf http://www.micrel.com/_PDF/HBW/sy89545l.pdf http://www.micrel.com/_PDF/HBW/SY89547l.pdf www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf www.micrel.com/product-info/products/solutions.shtml 9 Precision Edge SY89546U OCM OCM ND ® ...

Page 10

... PCB Thermal Consideration for 32-Pin MLF (Always solder, or equivalent, the exposed pad to the PCB (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. 10 Precision Edge Package EP- Exposed Pad Die ® Package http://www.micrel.com ® SY89546U ...

Related keywords

sy89546u datasheet
sy89546u data sheet
sy89546u pdf datasheet
sy89546u component
sy89546u part
sy89546u distributor
sy89546u RoHS
sy89546u datasheet download