2.5/3.3V Ultra-Precision 4:1 CML/LVPECL MUX with 1:2 Fanout and Internal Termination
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1 2.5/3.3V Ultra-Precision 4:1 CML/LVPECL MUX with 1:2 Fanout and Internal Termination General Description Features The SY58028/29/30U evaluation boards are designed for convenient setup and quick evaluation of the respective devices. The boards are optimized to interface directly to 50 systems. SY58028U, SY58029U, SY58030U The evaluation boards are configured for AC-coupled inputs and DC-coupled outputs. For applications that require AC-coupled outputs, step-by-step instructions for modifying the board are included. Data sheets and support documentations can be found on Micrel s web site at V or +3.3V power supply AC-coupled inputs and DC-coupled outputs Can be reconfigured for AC-coupled output operation Related Documentation SY58028U, 2.5/3.3V Ultra-Precision 4:1 CML MUX w/ 1:2 Fanout and Internal Termination Data Sheet SY58029U, 2.5/3.3V Ultra-Precision 4:1 LVPECL MUX w/ 1:2 Fanout and Internal Termination Data Sheet SY58030U, 2.5/3.3V Ultra-Precision 4:1 400mV LVPECL MUX w/ 1:2 Fanout and Internal Termination Data Sheet Evaluation Board SY58028U March 2005 SY58029/30U
2 Evaluation Board Description The SY58028U is a CML evaluation board and the SY58029U and SY58030U are LVPECL and 400mV LVPECL evaluation board sharing the same design. The default configuration for these boards is ACcoupled inputs and DC-coupled outputs. The evaluation boards can be reconfigured in AC-coupled output configuration. Input Interface The evaluation board is shipped with input termination and the input common mode voltage is set at V CC - 1.3V, which can easily interface to any differential signal over the supply voltage without modifying the evaluation board. SY58028U AC-Coupled Outputs The SY58028U outputs can be reconfigured for ACcoupled outputs by replacing C7 C10 with 0.1 F, 0402, capacitors. See the SY58028U evaluation board schematic for more details. SY58029/30U AC-Coupled Outputs The SY58029/30U outputs can be reconfigured for AC-coupled outputs by replacing C7 C10 with 0.1 F, 0402, capacitors and by adding 82 pull-downs to R3 R6. See the SY58029/30U evaluation board schematic for more details. March
3 Evaluation Board SY58028U CML Evaluation Board I/O AC-Coupled Input/DC-Coupled Output AC-Coupled Input/AC-Coupled Output Table 1. SY58028U Configuration C7-C uF Note: The default configuration is AC-Coupled In/DC-Coupled Out. March
4 Evaluation Board SY58029/30U LVPECL Evaluation Board I/O Power Supply V CC GND V EE R3-R6 C7-C10 AC-coupled Input/DC-coupled Output 2.5V +2V 0-0.5V None 0 AC-coupled Input/DC-coupled Output 3.3V +2V 0-1.3V None 0 AC-Coupled Input/AC-Coupled Output 2.5V 2.5V uF AC-Coupled Input/AC-Coupled Output 3.3V 3.3V uF Table 2. SY58029/30U Configuration Note: The default configuration is AC-Coupled In/DC-Coupled Out. March
5 DC-Coupled Evaluation Board Setup The following steps describe the procedure for setting up the evaluation board: SY58028U For 2.5V operation V CC = +2.5V V EE = 0V GND = 0V For 3.3V operation V CC = +3.3V V EE = 0V GND = 0V SY58029/30U For 2.5V operation V CC = 2.0V V EE = -0.5V GND = 0V For 3.3V operation V CC = 2.0V V EE = -1.3V GND = 0V 3. Connect the trigger input of the scope to the trigger output of the signal generator. 4. Program the channel selection using the evaluation boards dipswitch. SEL1 SEL0 Channel 0 0 IN0 0 1 IN1 1 0 IN2 1 1 IN3 5. Enable the signal source and monitor the outputs. Evaluation Board Layout Layer SY58028U SY58039/30U L1 V CC and Signal GND and Signal L2 V CC GND L3 GND V CC and V EE L4 V CC GND Table 3. Layer Stack 1. Signal Generator: Using a differential signal source, set the amplitude of each side of the differential pair to 400mV (800mV measured differentially). Set the offset to a positive value, the value of the offset is not critical, since the AC-coupled inputs will be automatically biased. Turn off or disable the outputs of the signal source. 2. I/O Cable Interface: Using equal length 50 impedance coaxial cables connect the signal source to the inputs on the evaluation board. Using equal length 50 impedance coaxial cables connect the outputs of the evaluation board to the oscilloscope or other measurement device that has an internal 50 termination. Unequal length cables are not recommended since they introduce duty cycle distortion and unwanted signal delays. March
6 Bill of Materials SY58028U Evaluation Board Item Part Number Manufacturer Description Qty. C1-C6, C11-C16, C18 VJ0402Y104KXXAT Vishay (1) 0.1uF, 25V, 10% Ceramic Capacitor, Size 0402, X7R, Dielectric C7-C10 CRCW Z Vishay (1) 0, 1/16W Resistor SMD, Size C17 293D685X0025B2T Vishay (1) 6.8uF, 20V, Tantalum Electrolytic Capacitor, Size C R1, R2 CRCW F Vishay (1) 3K, 10%, 1/16W Resistor SMD, size Black Banana Jack 1 Red Banana Jack 1 Jack Assembly End Launch SMA 12 J Johnson J Johnson SMA1-SMA Johnson SW1 CT2182LPST-ND Digi-Key (3) 2-Position Dip 1 U1 SY58028U Micrel, Inc. (4) 2.5/3.3V Ultra-Precision 4:1 MUX with 1:2 Fanout and Internal Termination 1 Additional Components for AC-Coupled Outputs Item Part Number Manufacturer Description Qty. C7-C10 VJ0402Y104KXXAT Vishay (1) 0.1uF, 25V, 10% Ceramic Capacitor, Size 0402, X7R, Dielectric Notes: 1. Vishay: 2. Johnson Components: 3. Digi-Key: 4. Micrel, Inc.: March
7 SY58029/30U Evaluation Board Item Part Number Manufacturer Description Qty. C17-C19 293D685X0025B2T Vishay (1) 6.8uF, 20V, Tantalum Electrolytic Capacitor, Size C C2-C6, C11-C16 C18, C20 VJ0402Y104KXXAT Vishay (1) 0.1uF, 25V, 10% Ceramic Capacitor, Size 0402, X7R, Dielectric C7-C10 CRCW Z Vishay (1) 0, 1/16W Resistor SMD, Size R1, R2 CRCW F Vishay (1) 3K, 10%, 1/16W Resistor SMD, size Black Banana Jack 1 Red Banana Jack 2 Jack Assembly End Launch SMA 12 J Johnson J2, J Johnson SMA1-SMA Johnson SW1 CT2182LPST-ND Digi-Key (3) 2-Position Dip 1 U1 SY58029/30U Micrel, Inc. (4) 2.5/3.3V Ultra-Precision 4:1 MUX with 1:2 Fanout and Internal Termination 1 Additional Components for AC-Coupled Outputs Item Part Number Manufacturer Description Qty. C7-C10 VJ0402Y104KXXAT Vishay (1) 0.1_F, 25V, 10% Ceramic Capacitor, Size 0402, X7R, Dielectric R3-R6 CRCW040249R9F CRCW F Vishay (1) 10% 1/16W Resistor SMD, size 0402, Note 5 4 Notes: 1. Vishay: 2. Johnson Components: 3. Digi-Key: 4. Micrel, Inc.: 5. For 2.5V operation: R1-R6 are 50 resistors: For 3.3V operation: R1-R6 are 100 resistors March
8 Micrel Cross Reference To find an equivalent Micrel part, go to Micrel s website at: and follow the steps below: 1. Click on Dynamic Cross Reference. 2. Enter competitor s part number in the Dynamic Cross Reference field. 3. To download a PDF version of this information, click on the Cross Reference PDF tab. HBW Support Hotline: Support: HBWHelp@micrel.com Application Hints and Notes For application notes on high speed termination on PECL and LVPECL products, clock synthesizer products, SONET jitter measurement, and other High Bandwidth products go to Micrel s website at Once in Micrel s website, follow the steps below: 1. Click on Product Info. 2. In the Applications Information Box, choose Application Hints and Application Notes. MICREL, INC FORTUNE DRIVE SAN JOSE, CA USA TEL +1 (408) FAX +1 (408) WEB The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. March
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8MHz Inductorless Buck Regulator with LDO Standby Mode General Description The Micrel is a high efficiency inductorless buck regulator that features a LOWQ LDO standby mode that draws only 18µA of quiescent
COAXIAL CABLE DRIVER
COAXIAL CABLE RIVER FINAL FEATURES 375ps propagation delay 1.6V output swings Internal 75KΩ input pull-down resistors Available in 8-pin SOIC package PIN CONFIGURATION/BLOCK IAGRAM Q0 Q0 1 8 2 7 VCC ESCRIPTION
SY10EL34/L SY100EL34/L
NOT RECOMMENDED FOR NEW DESIGNS 5/3.3 2, 4, 8 Clock Generation Chip Precision Edge General Description The SY10/100EL34/L are low-skew 2, 4, 8 clock generation chi designed explicitly for low-skew clock
Features. Applications
105MHz Low-Power SOT23-5 Op Amp General Description The is a high-speed operational amplifier which is unity gain stable regardless of resistive and capacitive load. It provides a gain-bandwidth product
MIC4812. Features. General Description. Applications. Typical Application
High Current 6 Channel Linear WLED Driver with DAM and Ultra Fast PWM Control General Description The is a high efficiency linear White LED (WLED) driver designed to drive up to six high current WLEDs
ULTRA PRECISION 4 4 CML SWITCH WITH INTERNAL I/O TERMINATION
ULTRA PRECISION 4 4 CML SWITCH WITH INTERNAL I/O TERMINATION Precision Edge FEATURES Provides crosspoint switching between any input pair to any output pair Guaranteed AC performance over temperature and
SY58016L. Features. General Description. Applications. Package/Ordering Information. Pin Description
3.3V, 10Gbps Differential CML Line Driver/Receiver with Internal Termination General Description The is a high-speed, current mode logic (CML) differential receiver. It is ideal for interfacing with high
MIC5238. General Description. Features. Applications. Typical Application. Ultra-Low Quiescent Current, 150mA µcap LDO Regulator
Ultra-Low Quiescent Current, 150mA µcap LDO Regulator General Description The is an ultra-low voltage output, 150mA LDO regulator. Designed to operate in a single supply or dual supply mode, the consumes
3.3V/5V DUAL LVTTL/LVCMOS-to-DIFFERENTIAL LVPECL TRANSLATOR
3.3V/5V DUAL LVTTL/LVCMOS-to-DIFFERENTIAL LVPECL TRANSLATOR Precision Edge FEATURES 3.3V and 5V power supply option 300ps typical propagation delay Differential LVPECL outputs PNP LVTTL inputs for minimal
MIC5333. General Description. Features. Applications. Typical Application. Micro-Power High Performance Dual 300mA ULDO with Dual POR
Micro-Power High Performance Dual 300mA ULDO with Dual POR General Description The is a tiny dual low quiescent current LDO ideal for applications that are power sensitive. The integrates two high performance,
D LATCH. SuperLite SY55853U FEATURES DESCRIPTION FUNCTIONAL BLOCK DIAGRAM APPLICATIONS
D LATCH FEATURES 2.5GHz min f max 2.3V to 5.7V power supply Single bit latch Stores or flows through 1 bit of data Optimized to work with family Fully differential Source terminated CML outputs for fast
3.3V DIFFERENTIAL LVPECL/CML/LVDS-to-LVTTL TRANSLATOR
3.3V DIFFERENTIAL LVPECL/CML/LVDS-to-LVTTL TRANSLATOR FEATURES 3.3V power supply 1.9ns typical propagation delay 275MHz f MAX Differential LVPECL/CML/LVDS inputs 24mA LVTTL outputs Flow-through pinouts
Features. Applications
PCIe Fanout Buffer 267MHz, 8 HCSL Outputs with 2 Input MUX PrecisionEdge General Description The is a high-speed, fully differential 1:8 clock fanout buffer optimized to provide eight identical output
Features. Applications. Micrel Inc Fortune Drive San Jose, CA USA tel +1 (408) fax + 1 (408)
Flexible Ultra-Low Jitter Clock Synthesizer Clockworks FLEX General Description The SM802xxx series is a member of the ClockWorks family of devices from Micrel and provide an extremely low-noise timing
MIC General Description. Features. Applications. Typical Application. 3A Low Voltage LDO Regulator with Dual Input Voltages
3A Low Voltage LDO Regulator with Dual Input Voltages General Description The is a high-bandwidth, low-dropout, 3.0A voltage regulator ideal for powering core voltages of lowpower microprocessors. The
SY88992L. Features. General Description. Applications. Markets. Typical Application. 3.3V, 4.25Gbps VCSEL Driver
3.3V, 4.25Gbps VCSEL Driver General Description The is a single supply 3.3V, low power consumption, small-form factor VCSEL driver ideal for use in datacom applications; Ethernet, GbE (Gigabit Ethernet),
5V/3.3V, 3GHz PECL/LVPECL D FLIP-FLOP WITH SET AND RESET
5V/3.3V, 3GHz PECL/LVPECL D FLIP-FLOP WITH SET AND RESET FEATURES Guaranteed >3GHz bandwidth over temperature Guaranteed
Features. Applications. Markets
3.3V, 3.2Gbps PECL Limiting Post Amplifier with Wide Signal-Detect Range General Description The low-power limiting post amplifiers are designed for use in fiber-optic receivers. These devices connect
SY10EP33V/SY100EP33V. General Description. Features. Pin Configuration. Pin Description. 5V/3.3V, 4GHz, 4 PECL/LVPECL Divider.
5V/3.3V, 4GHz, 4 PECL/LVPECL Divider Precision Edge General Description The SY10/100EP33V is an integrated 4 divider. The V BB pin, an internally-generated voltage supply, is available to this device only.
3.3V DIFFERENTIAL LVPECL-to-LVTTL TRANSLATOR
3.3V DIFFERENTIAL LVPECL-to-LVTTL TRANSLATOR FEATURES 3.3V power supply 2.0ns typical propagation delay Low power Differential LVPECL inputs 24mA TTL outputs Flow-through pinouts Available in 8-pin SOIC
MIC5225. General Description. Features. Applications. Typical Application. Ultra-Low Quiescent Current 150mA µcap Low Dropout Regulator
Ultra-Low Quiescent Current 15mA µcap Low Dropout Regulator General Description The is a 15mA highly accurate, low dropout regulator with high input voltage and ultra-low ground current. This combination
Features. Applications. RF Power Supply Circuit
High Performance, Low Noise Dual 500mA ULDO General Description The is a tiny Dual Ultra Low Dropout (ULDO ) linear regulator ideally suited for portable electronics due to its low output noise. The provides
NOT RECOMMENDED FOR NEW DESIGNS 5V/3.3V DIFFERENTIAL DATA AND CLOCK D FLIP-FLOP
NOT RECOMMENDED FOR NEW DESIGNS Micrel, Inc. 5V/3.3V DIFFERENTIAL DATA AND CLOCK D FLIP-FLOP FEATURES Guaranteed maximum frequency >4GHz Guaranteed
SM ClockWorks 10-Gigabit Ethernet, MHz, Ultra-Low Jitter LVPECL Clock Frequency Synthesizer. General Description.
ClockWorks 10-Gigabit Ethernet, 156.25MHz, Ultra-Low Jitter LVPECL Clock Frequency Synthesizer General Description The is a 10-Gigabit Ethernet, 156.25MHz LVPECL clock frequency synthesizer and a member
MIC5396/7/8/9. General Description. Features. Applications. Typical Application. Low-Power Dual 300mA LDO in 1.2mm x 1.
Low-Power Dual 300mA LDO in 1.2mm x 1.6mm Extra Thin DFN General Description The is an advanced dual LDO ideal for powering general purpose portable devices. The provides two high-performance, independent
MIC5331. General Description. Features. Applications. Typical Application. Micro-Power High Performance Dual 300mA ULDO
Micro-Power High Performance Dual 300mA ULDO General Description The is a tiny dual low quiescent current LDO ideal for applications that are power sensitive. The integrates two high performance, 300mA
MIC General Description. Features. Applications. Typical Application. 5A, Low V IN, Low V OUT µcap LDO Regulator
MIC6952, Low V IN, Low V OUT µcap LDO Regulator General Description The MIC6952 is a, low dropout linear regulator that provides low voltage high current outputs with a minimum of external components.