- All Products
- Integrated Circuits (ICs)
- Clock/Timing - Clock Buffers, Drivers
| Image | Part # | Manufacturer | Description | Availability | Pricing | Quantity | Factory Lead Time | Contact Plating | Mount | Package / Case | Number of Pins | Frequency(Max) | Packaging | Published | JESD-609 Code | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | ECCN Code | Terminal Finish | Max Operating Temperature | Min Operating Temperature | Additional Feature | Terminal Position | Terminal Form | Peak Reflow Temperature (Cel) | Number of Functions | Supply Voltage | Terminal Pitch | Reach Compliance Code | Time@Peak Reflow Temperature-Max (s) | Pin Count | JESD-30 Code | Number of Outputs | Qualification Status | Operating Supply Voltage | Supply Voltage-Max (Vsup) | Power Supplies | Temperature Grade | Supply Voltage-Min (Vsup) | Number of Channels | Number of Circuits | Max Supply Voltage | Min Supply Voltage | Load Capacitance | Nominal Supply Current | Number of Bits | Propagation Delay | Quiescent Current | Turn On Delay Time | Family | Logic Function | Output Characteristics | Input | Output Polarity | Logic IC Type | Max I(ol) | Interface IC Type | Primary Clock/Crystal Frequency-Nom | Prop. Delay@Nom-Sup | Propagation Delay (tpd) | Channel Type | Max Duty Cycle | Duty Cycle (Max) | fmax-Min | Same Edge Skew-Max (tskwd) | Number of True Outputs | Input Conditioning | Output Latch or Register | Number of Inverted Outputs | Height Seated (Max) | Length | Width | Thickness | Radiation Hardening | RoHS Status | Lead Free |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
  | Mfr. Part #85222AM-02LFTwicea Part #378-471-85222AM-02LF | Integrated Device Technology (IDT) |
Low-Skew, 1-to-2 LVCMOS/LVTTL-to-HSTL Fanout Buffer
Datasheet
Compare
| Min.:1 Mult.:1 | 7 Weeks | Tin | Surface Mount | SOIC | 8 | - | - | 2003 | e3 | yes | Active | 1 (Unlimited) | 8 | EAR99 | - | 70°C | 0°C | - | DUAL | GULL WING | 260 | 2 | 3.3V | - | - | 30 | 8 | - | - | Not Qualified | 3.3V | - | - | COMMERCIAL | - | 2 | 1 | 3.465V | 3.135V | - | 50mA | 1 | 1.25 ns | - | 1.25 ns | - | Translator | - | - | COMPLEMENTARY | - | - | - | - | - | - | Unidirectional | - | - | - | - | - | - | NONE | - | - | 4.9mm | 3.9mm | 1.5mm | - | RoHS Compliant | Lead Free | ||
| 85222AM-02LF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #85222AM-02LFTTwicea Part #378-471-85222AM-02LFT | Integrated Device Technology (IDT) |
Low-Skew, 1-to-2 LVCMOS/LVTTL-to-HSTL Fanout Buffer
Datasheet
Compare
| 3100
In Stock
| Min.:1 Mult.:1 | 7 Weeks | Tin | Surface Mount | SOIC | 8 | - | - | 2003 | e3 | yes | Active | 1 (Unlimited) | 8 | EAR99 | - | 70°C | 0°C | - | DUAL | GULL WING | 260 | 2 | 3.3V | - | - | 30 | 8 | - | - | Not Qualified | 3.3V | 3.465V | - | COMMERCIAL | - | - | 1 | - | - | - | - | 1 | - | - | - | - | - | - | - | COMPLEMENTARY | - | - | LVCMOS/LVTTL TO LVHSTL TRANSLATOR | - | - | - | Unidirectional | - | - | - | - | - | - | NONE | - | - | 4.9mm | 3.9mm | 1.5mm | - | RoHS Compliant | Lead Free | |
| 85222AM-02LFT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #MC100ES6226ACTwicea Part #378-471-MC100ES6226AC | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:9 3GHZ 32TQFP
Datasheet
Compare
| 2810
In Stock
| Min.:1 Mult.:1 | - | - | Surface Mount | TQFP | 32 | 3GHz | - | 2003 | - | yes | Discontinued | - | - | EAR99 | - | 110°C | 0°C | - | - | - | - | - | - | - | - | - | 32 | - | - | - | - | - | - | - | - | - | 1 | 3.465V | 2.375V | - | 110mA | - | - | 400mA | - | - | - | - | LVCMOS | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 7mm | 7mm | 1.4mm | No | RoHS Compliant | Lead Free | |
| MC100ES6226AC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #MC100ES6221AER2Twicea Part #378-471-MC100ES6221AER2 | Integrated Device Technology (IDT) |
IC CLK BUFFER 2:20 2GHZ 52PTQFP
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | TQFP | 52 | 2GHz | Tape & Reel | 2006 | e3 | yes | - | 3 (168 Hours) | 52 | EAR99 | Matte Tin (Sn) - annealed | 110°C | -40°C | - | QUAD | GULL WING | 260 | 1 | 2.5V | 0.65mm | - | 30 | 52 | - | - | - | - | - | -2.5/-3.3/2.5/3.3V | - | - | - | 1 | 3.465V | 2.375V | - | - | - | - | 160mA | - | - | - | - | ECL | - | LOW SKEW CLOCK DRIVER | 0.005 A | - | - | 0.95 ns | 0.95 ns | - | - | - | - | - | 20 | - | - | - | - | - | - | - | No | RoHS Compliant | - | ||
| MC100ES6221AER2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #IDT49FCT806APYTwicea Part #378-471-IDT49FCT806APY | Integrated Device Technology (IDT) |
IC CLOCK BUFFER 1:5 20SSOP
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | SSOP | - | 80MHz | - | 2009 | e0 | - | - | 1 (Unlimited) | 20 | - | Tin/Lead (Sn85Pb15) | 70°C | 0°C | - | DUAL | GULL WING | 225 | 2 | 5V | 0.65mm | not_compliant | 30 | 20 | - | - | Not Qualified | - | - | 5V | COMMERCIAL | 4.75V | - | 2 | - | - | - | - | - | - | - | - | FCT | - | 3-STATE | TTL | - | LOW SKEW CLOCK DRIVER | 0.064 A | - | - | 5.3 ns | 5.3 ns | - | - | - | - | 0.7 ns | - | - | - | 5 | 1.99mm | - | 5.3mm | - | - | Non-RoHS Compliant | - | ||
| IDT49FCT806APY | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #IDT74FCT807BTQGTwicea Part #378-471-IDT74FCT807BTQG | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:10 100MHZ 20QSOP
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | SSOP | - | 100MHz | - | 2009 | e3 | yes | - | 1 (Unlimited) | 20 | EAR99 | Matte Tin (Sn) - annealed | 70°C | 0°C | - | DUAL | GULL WING | 260 | 1 | 5V | - | - | 30 | 20 | R-PDSO-G20 | - | Not Qualified | - | 5.25V | 5V | COMMERCIAL | 4.75V | - | 1 | - | - | 50pF | - | - | - | - | - | FCT | - | - | TTL | - | LOW SKEW CLOCK DRIVER | 0.048 A | - | - | 3.8 ns | 3.8 ns | - | - | - | - | 0.5 ns | 10 | - | - | - | - | 8.6868mm | 3.937mm | - | - | RoHS Compliant | - | ||
| IDT74FCT807BTQG | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #MC100ES6254ACR2Twicea Part #378-471-MC100ES6254ACR2 | Integrated Device Technology (IDT) |
IC CLK BUFFER 2:6 3GHZ 32TQFP
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | TQFP | 32 | 3GHz | Tape & Reel | 2003 | e3 | yes | Discontinued | 3 (168 Hours) | 32 | EAR99 | Matte Tin (Sn) | 70°C | 0°C | IT CAN ALSO OPERATE WITH 3.3V SUPPLY | QUAD | GULL WING | 260 | 1 | 2.5V | 0.8mm | - | 30 | 32 | - | - | - | - | - | 2.5/3.3V | - | - | - | 1 | 3.465V | 2.375V | - | - | - | - | 85mA | - | - | - | 3-STATE | LVCMOS | - | LOW SKEW CLOCK DRIVER | - | - | - | - | - | - | - | - | - | 0.05 ns | 6 | - | - | - | - | 7mm | 7mm | 1.4mm | No | RoHS Compliant | Lead Free | ||
| MC100ES6254ACR2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #MC100ES6226ACR2Twicea Part #378-471-MC100ES6226ACR2 | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:9 3GHZ 32TQFP
Datasheet
Compare
| Min.:1 Mult.:1 | - | Tin | Surface Mount | TQFP | 32 | 3GHz | - | 2003 | - | yes | Discontinued | - | - | EAR99 | - | 110°C | 0°C | - | - | - | - | - | - | - | - | - | 32 | - | - | - | - | - | - | - | - | - | 1 | 3.465V | 2.375V | - | - | - | - | 400mA | - | - | - | - | LVCMOS | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 7mm | 7mm | 1.4mm | No | RoHS Compliant | Lead Free | ||
| MC100ES6226ACR2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #85222AMLFTTwicea Part #378-471-85222AMLFT | Integrated Device Technology (IDT) |
Dual LVCMOS/LVTTL-to-Differential HSTL Translator
Datasheet
Compare
| Min.:1 Mult.:1 | - | Tin | Surface Mount | SOIC | 8 | - | Tape & Reel | 2010 | e3 | yes | Discontinued | 1 (Unlimited) | 8 | EAR99 | - | 70°C | 0°C | - | DUAL | GULL WING | 260 | 2 | 2.5V | - | - | 30 | 8 | - | - | Not Qualified | - | - | 2.5/3.3V | COMMERCIAL | - | - | 1 | 3.465V | 2.375V | - | - | - | - | - | - | - | - | - | - | - | LOW SKEW CLOCK DRIVER | - | - | - | - | - | Unidirectional | - | - | - | - | 2 | STANDARD | - | - | - | 4.9mm | 3.9mm | 1.5mm | - | RoHS Compliant | Lead Free | ||
| 85222AMLFT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #8525BGLFTTwicea Part #378-471-8525BGLFT | Integrated Device Technology (IDT) |
Clock Driver 2-IN LVHSTL 20-Pin TSSOP T/R
Datasheet
Compare
| Min.:1 Mult.:1 | 7 Weeks | Tin | Surface Mount | TSSOP | 20 | 266MHz | Tape & Reel (TR) | 2005 | e3 | yes | Active | 1 (Unlimited) | 20 | EAR99 | - | 70°C | 0°C | - | DUAL | GULL WING | 260 | 1 | 3.3V | 0.65mm | - | NOT SPECIFIED | 20 | - | - | Not Qualified | 3.3V | - | - | COMMERCIAL | - | - | 1 | 3.465V | 3.135V | - | - | - | - | - | - | 8525 | - | - | LVTTL | - | LOW SKEW CLOCK DRIVER | - | - | - | - | - | - | - | - | - | 0.035 ns | 4 | - | - | - | - | 6.5mm | 4.4mm | 1mm | - | RoHS Compliant | Lead Free | ||
| 8525BGLFT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #IDT74FCT3807SOITwicea Part #378-471-IDT74FCT3807SOI | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:10 100MHZ 20SOIC
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | SOIC | - | 100MHz | - | 2009 | e0 | - | - | 1 (Unlimited) | 20 | - | - | 85°C | -40°C | - | DUAL | GULL WING | 225 | 1 | 3.3V | - | - | 30 | 20 | R-PDSO-G20 | - | Not Qualified | - | 3.6V | 3.3V | INDUSTRIAL | 3V | - | 1 | - | - | - | - | - | - | - | - | FCT | - | 3-STATE | LVTTL | - | LOW SKEW CLOCK DRIVER | 0.024 A | - | - | 4.8 ns | 4.8 ns | - | - | - | - | 0.6 ns | 10 | - | - | - | - | - | - | - | - | RoHS Compliant | - | ||
| IDT74FCT3807SOI | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #ICS853017AMTwicea Part #378-471-ICS853017AM | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:1 2GHZ 20SOIC
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | SOIC | - | 2GHz | - | 2004 | e0 | no | - | 1 (Unlimited) | 20 | - | Tin/Lead (Sn85Pb15) | 85°C | -40°C | ECL MODE: VCC = 0V WITH VEE = -2.375V TO -5.25V | DUAL | GULL WING | 225 | 4 | 3.3V | 1.27mm | - | 30 | 20 | R-PDSO-G20 | - | Not Qualified | - | 5.25V | - | INDUSTRIAL | 2.375V | - | 4 | - | - | - | - | - | - | - | - | 853017 | - | - | CML | - | LOW SKEW CLOCK DRIVER | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 2.65mm | 12.8mm | 7.5mm | - | - | RoHS Compliant | - | ||
| ICS853017AM | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #85211AMI-03LFTwicea Part #378-471-85211AMI-03LF | Integrated Device Technology (IDT) |
Clock Buffer Low Skew 1-to-2 Diff .-to-LVHSTL Fanout B
Datasheet
Compare
| Min.:1 Mult.:1 | 8 Weeks | Tin | Surface Mount | SOIC | 8 | 700MHz | - | 2003 | e3 | yes | - | 1 (Unlimited) | 8 | EAR99 | - | 85°C | -40°C | - | DUAL | GULL WING | 260 | 1 | 3.3V | - | - | 30 | 8 | - | 2 | Not Qualified | 3.3V | - | - | INDUSTRIAL | - | - | 1 | 3.465V | 3.135V | - | 50mA | - | 1 ns | - | 1 ns | - | - | - | LVDS | - | LOW SKEW CLOCK DRIVER | - | - | - | - | - | - | - | 53 % | - | 0.03 ns | - | - | - | - | - | 4.9mm | 3.9mm | - | - | RoHS Compliant | - | ||
| 85211AMI-03LF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #8305AGI-02LFTTwicea Part #378-471-8305AGI-02LFT | Integrated Device Technology (IDT) |
IC CLK FANOUT BUFFER 16TSSOP
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | TSSOP | 16 | 250MHz | Tape & Reel (TR) | 2007 | e3 | yes | Active | 1 (Unlimited) | 16 | EAR99 | Matte Tin (Sn) | 85°C | -40°C | - | DUAL | GULL WING | 260 | 1 | 3.3V | - | - | - | 16 | - | - | - | 3.3V | - | - | INDUSTRIAL | - | - | 1 | 3.465V | 3.135V | - | - | - | - | - | - | 8305 | - | 3-STATE | LVTTL | - | LOW SKEW CLOCK DRIVER | - | - | - | 3.2 ns | 3.2 ns | - | 60 % | - | - | - | 4 | - | - | - | - | 5mm | 4.4mm | 1mm | No | RoHS Compliant | Lead Free | ||
| 8305AGI-02LFT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #ICS556M-04ITwicea Part #378-471-ICS556M-04I | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:4 27MHZ 8SOIC
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | SOIC | - | 27MHz | - | 1999 | e0 | no | - | 1 (Unlimited) | 8 | EAR99 | - | 85°C | -40°C | ALSO OPERATES AT 3.3V AND 5V SUPPLY | DUAL | GULL WING | 240 | - | 2.5V | - | - | 30 | 8 | R-PDSO-G8 | - | Not Qualified | - | 2.625V | 2.5/5V | INDUSTRIAL | 2.375V | - | 1 | - | - | - | - | - | - | - | - | - | - | - | Clock | - | - | - | - | 27MHz | - | - | - | - | - | - | - | - | - | - | - | - | 4.9mm | 3.9mm | - | - | RoHS Compliant | - | ||
| ICS556M-04I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #IDT74FCT807BTSOG8Twicea Part #378-471-IDT74FCT807BTSOG8 | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:10 100MHZ 20SOIC
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | SOIC | - | 100MHz | Tape & Reel (TR) | 2009 | e3 | yes | - | 1 (Unlimited) | 20 | EAR99 | Matte Tin (Sn) - annealed | 70°C | 0°C | - | DUAL | GULL WING | 260 | 1 | 5V | - | - | 30 | 20 | R-PDSO-G20 | - | Not Qualified | - | 5.25V | 5V | COMMERCIAL | 4.75V | - | 1 | - | - | - | - | - | - | - | - | FCT | - | - | TTL | - | LOW SKEW CLOCK DRIVER | 0.048 A | - | - | 3.8 ns | 3.8 ns | - | - | - | - | 0.5 ns | 10 | - | - | - | - | - | - | - | - | RoHS Compliant | - | ||
| IDT74FCT807BTSOG8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #MC100ES6011EJR2Twicea Part #378-471-MC100ES6011EJR2 | Integrated Device Technology (IDT) |
IC CLK BUFFER 1:2 3GHZ 8TSSOP
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | TSSOP | 8 | 3GHz | Tape & Reel | 2012 | e3 | yes | Discontinued | 3 (168 Hours) | 8 | EAR99 | Matte Tin (Sn) - annealed | 85°C | -40°C | - | DUAL | GULL WING | 260 | 1 | 2.5V | 0.65mm | - | - | 8 | - | 4 | - | - | - | - | INDUSTRIAL | - | - | 1 | 3.8V | 2.375V | - | - | - | 360 ps | - | - | - | - | - | ECL | - | LOW SKEW CLOCK DRIVER | - | - | - | 0.36 ns | - | - | - | - | - | 0.02 ns | - | - | - | - | - | 3mm | 3mm | 970μm | No | RoHS Compliant | Lead Free | ||
| MC100ES6011EJR2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #ICS580M-01ITTwicea Part #378-471-ICS580M-01IT | Integrated Device Technology (IDT) |
IC CLK MULTPLX 2:2 270MHZ 16SOIC
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | SOIC | - | 270MHz | Tape & Reel (TR) | 1999 | e0 | no | - | - | 16 | - | Tin/Lead (Sn/Pb) | 85°C | -40°C | - | DUAL | GULL WING | NOT SPECIFIED | 1 | 3.3V | - | not_compliant | NOT SPECIFIED | 16 | - | - | Not Qualified | - | 5.5V | 3/5V | INDUSTRIAL | 2.5V | - | 1 | - | - | - | - | - | - | - | - | 580 | - | 3-STATE | Clock | - | - | - | - | - | - | - | - | - | - | 200 MHz | 0.25 ns | 2 | - | - | - | - | 9.9mm | 3.9mm | - | - | Non-RoHS Compliant | - | ||
| ICS580M-01IT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #8516FYLFTTwicea Part #378-471-8516FYLFT | Integrated Device Technology (IDT) |
Low Skew,1-to-16 Differential-to-LVDS Clock Distribution Chip
Datasheet
Compare
| Min.:1 Mult.:1 | 7 Weeks | Tin | Surface Mount | LQFP | 48 | 700MHz | Tape & Reel (TR) | 2006 | e3 | yes | Active | 3 (168 Hours) | 48 | EAR99 | - | 70°C | 0°C | - | QUAD | GULL WING | 260 | 1 | 3.3V | 0.5mm | - | 30 | 48 | - | 32 | Not Qualified | 3.3V | - | - | COMMERCIAL | - | - | 1 | 3.465V | 3.135V | - | - | - | 5 ns | - | - | - | - | 3-STATE | LVDS | - | LOW SKEW CLOCK DRIVER | - | - | - | 2.4 ns | - | - | - | 55 % | - | 0.09 ns | - | - | - | - | - | 7mm | 7mm | 1.4mm | - | RoHS Compliant | Lead Free | ||
| 8516FYLFT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr. Part #MC100ES6014DTR2Twicea Part #378-471-MC100ES6014DTR2 | Integrated Device Technology (IDT) |
IC CLK BUFFER 2:5 2GHZ 20TSSOP
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | Surface Mount | TSSOP | 20 | 2GHz | Tape & Reel (TR) | 2003 | e0 | no | - | 1 (Unlimited) | 20 | EAR99 | - | 85°C | -40°C | ECL MODE: VCC = 0V WITH VEE = -2.375V TO -3.8V | DUAL | GULL WING | 225 | 1 | 2.5V | 0.65mm | - | 30 | 20 | - | - | - | - | 3.8V | +-2.5/+-3.3V | INDUSTRIAL | 2.375V | - | 1 | - | - | - | - | - | - | - | - | - | - | - | LVDS | - | LOW SKEW CLOCK DRIVER | - | - | - | 0.525 ns | 0.475 ns | - | - | - | - | 0.045 ns | 5 | - | - | - | - | 6.5mm | 4.4mm | - | No | RoHS Compliant | - | ||
| MC100ES6014DTR2 |
Index :
0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ