- All Products
- Integrated Circuits (ICs)
- Clock/Timing - Application Specific
31
Products Found
| Compare | Image | Part # | Manufacturer | Description | Availability | Pricing | Quantity | RoHS | Factory Lead Time | Lifecycle Status | Contact Plating | Mount | Mounting Type | Package / Case | Number of Pins | Weight | Frequency(Max) | Operating Temperature | Packaging | Published | JESD-609 Code | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | ECCN Code | Terminal Finish | Max Power Dissipation | Voltage - Supply | Terminal Position | Terminal Form | Peak Reflow Temperature (Cel) | Number of Functions | Supply Voltage | Terminal Pitch | Time@Peak Reflow Temperature-Max (s) | Base Part Number | Output | Pin Count | Qualification Status | Operating Supply Voltage | Supply Voltage-Max (Vsup) | Power Supplies | Supply Voltage-Min (Vsup) | Number of Circuits | Operating Supply Current | Supply Current-Max | Family | Logic Function | Data Rate | Halogen Free | Input | Ratio - Input:Output | Logic IC Type | Max I(ol) | Primary Clock/Crystal Frequency-Nom | PLL | Differential - Input:Output | Prop. Delay@Nom-Sup | Propagation Delay (tpd) | Telecom IC Type | Main Purpose | Same Edge Skew-Max (tskwd) | Height | Height Seated (Max) | Length | Width | RoHS Status | Lead Free |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Datasheet
| Mfr. Part #NB3N3010BDR2GMOST Part #598-470-NB3N3010BDR2G | ON Semiconductor |
Clock Generators & Support Products AUDIO OVERSAMPLING CLOCK
| 8160
In Stock
| Min.:1 Mult.:1 | 19 Weeks | ACTIVE (Last Updated: 12 hours ago) | Tin | Surface Mount | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | 8 | - | 12.288MHz | 0°C~85°C | Tape & Reel (TR) | 2011 | e3 | yes | Active | 1 (Unlimited) | 8 | - | - | - | 3.135V~3.465V | DUAL | GULL WING | - | 1 | 3.3V | - | - | NB3N3010 | LVCMOS | 8 | - | 4.6V | 3.465V | - | - | 1 | 35mA | - | 3N | - | - | Halogen Free | Clock | 1:2 | - | - | - | No | No/No | - | - | - | USB Applications | 0.7 ns | - | - | 4.9mm | 3.9mm | ROHS3 Compliant | Lead Free | |||
| NB3N3010BDR2G | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Datasheet
| Mfr. Part #NB4N1158DTR2GMOST Part #598-470-NB4N1158DTR2G | ON Semiconductor |
IC CLK LINK REPLICATOR HDTV
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-TSSOP (0.173, 4.40mm Width) | 28 | - | - | -40°C~85°C | Tape & Reel (TR) | 2007 | e3 | - | Obsolete | 3 (168 Hours) | 28 | - | Tin (Sn) | - | 3.14V~3.47V | DUAL | GULL WING | - | 1 | 3.3V | 0.65mm | - | NB4N1158 | - | 28 | - | - | - | 3.3V | - | 1 | - | 0.075mA | - | - | - | - | LVPECL | 3:3 | - | - | - | No | Yes/Yes | - | - | SUPPORT CIRCUIT | Fibre Channel, Gigabit Ethernet, HDTV, SATA | - | - | - | 9.7mm | 4.4mm | RoHS Compliant | Lead Free | ||||
| NB4N1158DTR2G | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #NB4N7132DTR2GMOST Part #598-470-NB4N7132DTR2G | ON Semiconductor |
Link Replicator 28-Pin TSSOP T/R
| 159
In Stock
| Min.:1 Mult.:1 | 4 Weeks | LIFETIME (Last Updated: 1 month ago) | Tin | Surface Mount | Surface Mount | 28-TSSOP (0.173, 4.40mm Width) | 28 | 402.988471mg | - | -40°C~85°C | Tape & Reel (TR) | 2008 | e3 | yes | Obsolete | 3 (168 Hours) | 28 | - | - | 450mW | 3.14V~3.47V | DUAL | GULL WING | - | 1 | 3.3V | 0.65mm | - | NB4N7132 | - | 28 | - | 3.3V | - | - | - | 1 | 105mA | - | - | - | 1.5 Gbps | - | LVPECL | 3:3 | - | - | - | No | Yes/Yes | - | - | SUPPORT CIRCUIT | Fibre Channel, Gigabit Ethernet, HDTV, SATA | - | - | - | 9.7mm | 4.4mm | RoHS Compliant | Lead Free | |||
| NB4N7132DTR2G | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Datasheet
| Mfr. Part #LV5609V-TLM-EMOST Part #598-470-LV5609V-TLM-E | ON Semiconductor |
Clock Drivers & Distribution CCD VERTICAL CLOCK DRIVER
| 35
In Stock
| Min.:1 Mult.:1 | 2 Weeks | ACTIVE (Last Updated: 1 day ago) | - | Surface Mount | Surface Mount | 20-LSSOP (0.173, 4.40mm Width) | 20 | - | - | -20°C~80°C | Tape & Reel (TR) | 2007 | - | yes | Active | 3 (168 Hours) | - | - | - | 670mW | 2V~5.5V | - | - | - | - | - | - | - | - | - | 20 | - | - | - | - | - | 1 | - | - | - | - | - | - | CMOS | 7:5 | - | - | - | No | No/No | - | - | - | CCD | - | - | - | - | - | ROHS3 Compliant | Lead Free | |||
| LV5609V-TLM-E | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Datasheet
| Mfr. Part #LV5609LP-TE-L-EMOST Part #598-470-LV5609LP-TE-L-E | ON Semiconductor |
Clock Drivers & Distribution VERTICAL
| 5
In Stock
| Min.:1 Mult.:1 | 11 Weeks | ACTIVE (Last Updated: 4 days ago) | - | Surface Mount | Surface Mount | 24-VFQFN | 24 | - | - | -20°C~80°C | Tape & Reel (TR) | 2007 | - | yes | Active | 1 (Unlimited) | - | - | - | - | 2V~5.5V | - | - | - | - | - | - | - | LV5609 | - | 24 | - | - | - | - | - | 1 | - | - | - | - | - | - | CMOS | 7:5 | - | - | - | No | No/No | - | - | - | CCD | - | 800μm | - | 3.5mm | - | ROHS3 Compliant | Lead Free | |||
| LV5609LP-TE-L-E | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Datasheet
| Mfr. Part #MC100H640FNR2GMOST Part #598-470-MC100H640FNR2G | ON Semiconductor |
Clock Drivers & Distribution BBG ECLClock Driver
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 135MHz | 0°C~85°C | Tape & Reel (TR) | 2006 | e3 | - | Obsolete | 3 (168 Hours) | 28 | - | Tin (Sn) | - | 4.75V~5.25V | QUAD | J BEND | 260 | 1 | 5V | - | 40 | MC100H640 | TTL | 28 | - | 5V | - | 5V | - | 1 | - | - | - | - | - | - | PECL, TTL | 2:6 | LOW SKEW CLOCK DRIVER | 0.024 A | - | No | Yes/Yes | 7 ns | 6 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | RoHS Compliant | Lead Free | ||||
| MC100H640FNR2G | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #NB4N7132DTGMOST Part #598-470-NB4N7132DTG | ON Semiconductor |
Link Replicator 28-Pin TSSOP Rail
| 44
In Stock
| Min.:1 Mult.:1 | 4 Weeks | LIFETIME (Last Updated: 1 month ago) | - | Surface Mount | Surface Mount | 28-TSSOP (0.173, 4.40mm Width) | 28 | 402.988471mg | - | -40°C~85°C | Tube | 2008 | e3 | yes | Obsolete | 3 (168 Hours) | 28 | - | Tin (Sn) | 450mW | 3.14V~3.47V | DUAL | GULL WING | - | 1 | 3.3V | 0.65mm | - | NB4N7132 | - | 28 | - | 3.3V | - | - | - | 1 | 105mA | - | - | - | 1.5 Gbps | - | LVPECL | 3:3 | - | - | - | No | Yes/Yes | - | - | SUPPORT CIRCUIT | Fibre Channel, Gigabit Ethernet, HDTV, SATA | - | - | - | 9.7mm | 4.4mm | RoHS Compliant | Lead Free | |||
| NB4N7132DTG | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC100H640FNMOST Part #598-470-MC100H640FN | ON Semiconductor |
Clock Drivers & Distribution ECL/TTL Clock Driver
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 135MHz | 0°C~85°C | Tube | 2006 | e0 | - | Obsolete | 3 (168 Hours) | 28 | - | Tin/Lead (Sn80Pb20) | - | 4.75V~5.25V | QUAD | J BEND | 240 | 1 | 5V | - | 30 | MC100H640 | TTL | 28 | - | - | 5.25V | 5V | 4.75V | 1 | - | - | - | - | - | - | PECL, TTL | 2:6 | LOW SKEW CLOCK DRIVER | 0.024 A | - | No | Yes/Yes | 7 ns | 6 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | Non-RoHS Compliant | Contains Lead | ||||
| MC100H640FN | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC10H640FNMOST Part #598-470-MC10H640FN | ON Semiconductor |
Clock Divider 2-IN TTL 28-Pin PLCC Rail
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 135MHz | 0°C~85°C | Tube | 2006 | e0 | - | Obsolete | 1 (Unlimited) | 28 | - | Tin/Lead (Sn/Pb) | - | 4.75V~5.25V | QUAD | J BEND | 240 | 1 | 5V | - | 30 | MC10H640 | TTL | 28 | - | 5V | - | 5V | - | 1 | - | - | 10H | - | - | - | PECL, TTL | 2:6 | LOW SKEW CLOCK DRIVER | 0.024 A | - | No | Yes/Yes | 7 ns | 6 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | Non-RoHS Compliant | Contains Lead | ||||
| MC10H640FN | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC10H640FNR2MOST Part #598-470-MC10H640FNR2 | ON Semiconductor |
Clock Drivers & Distribution PECL to TTL Clock
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 135MHz | 0°C~85°C | Tape & Reel (TR) | 2006 | e0 | - | Obsolete | 1 (Unlimited) | 28 | - | Tin/Lead (Sn/Pb) | - | 4.75V~5.25V | QUAD | J BEND | 240 | 1 | 5V | - | 30 | MC10H640 | TTL | 28 | - | - | 5.25V | 5V | 4.75V | 1 | - | - | 10H | - | - | - | PECL, TTL | 2:6 | LOW SKEW CLOCK DRIVER | 0.024 A | - | No | Yes/Yes | 7 ns | 6 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | Non-RoHS Compliant | Contains Lead | ||||
| MC10H640FNR2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC10H642FNR2MOST Part #598-470-MC10H642FNR2 | ON Semiconductor |
Clock Drivers & Distribution ECL/TTL Clock Driver
| 500
In Stock
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 100MHz | 0°C~85°C | Tape & Reel (TR) | 2006 | e0 | - | Obsolete | 1 (Unlimited) | 28 | - | Tin/Lead (Sn/Pb) | - | 4.75V~5.25V | QUAD | J BEND | 240 | 1 | 5V | - | 30 | MC10H642 | TTL | 28 | - | - | 5.25V | 5V | 4.75V | 1 | - | - | 10H | - | - | - | ECL, TTL | 2:8 | LOW SKEW CLOCK DRIVER | - | - | No | Yes/Yes | - | 5.75 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | Non-RoHS Compliant | Contains Lead | |||
| MC10H642FNR2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC10H642FNMOST Part #598-470-MC10H642FN | ON Semiconductor |
Clock Divider 2-IN TTL 28-Pin PLCC Rail
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 100MHz | 0°C~85°C | Tube | 2006 | e0 | - | Obsolete | 1 (Unlimited) | 28 | - | Tin/Lead (Sn/Pb) | - | 4.75V~5.25V | QUAD | J BEND | 240 | 1 | 5V | - | 30 | MC10H642 | TTL | 28 | - | 5V | - | 5V | - | 1 | - | - | 10H | - | - | - | ECL, TTL | 2:8 | LOW SKEW CLOCK DRIVER | 0.024 A | - | No | Yes/Yes | 6.5 ns | 5.75 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | Non-RoHS Compliant | Contains Lead | ||||
| MC10H642FN | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #LV5609LP-EMOST Part #598-470-LV5609LP-E | ON Semiconductor |
Clock Drivers & Distribution VERTICAL CLOCK DRIVER
| 5
In Stock
| Min.:1 Mult.:1 | 2 Weeks | ACTIVE (Last Updated: 2 days ago) | - | Surface Mount | Surface Mount | 24-WFQFN | 24 | - | - | -20°C~80°C | Tray | 2004 | - | yes | Active | 1 (Unlimited) | - | - | - | 800mW | 2V~5.5V | - | - | - | - | - | - | - | LV5609 | - | 24 | - | - | - | - | - | 1 | - | - | - | Clock | - | - | CMOS | 7:5 | - | - | - | No | No/No | - | - | - | CCD | - | 795μm | - | 3.5mm | 3.5mm | ROHS3 Compliant | Lead Free | |||
| LV5609LP-E | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Datasheet
| Mfr. Part #ASM3P2854CG-16TRMOST Part #598-470-ASM3P2854CG-16TR | ON Semiconductor |
Peak Reducing EMI Solution 16-Pin TSSOP T/R
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 16-TSSOP (0.173, 4.40mm Width) | 16 | - | 66.6MHz | 0°C~70°C | Tape & Reel (TR) | 2010 | e3 | yes | Obsolete | 1 (Unlimited) | 16 | EAR99 | Tin (Sn) | - | 3V~3.6V | DUAL | GULL WING | NOT SPECIFIED | - | 3.3V | 0.65mm | NOT SPECIFIED | ASM3P28** | Clock | 16 | Not Qualified | 3.3V | - | - | - | 1 | - | - | - | - | - | Halogen Free | Clock, Crystal | 1:8 | - | - | 24MHz | Yes | No/No | - | - | - | Fax System | - | - | - | 5mm | 4.4mm | RoHS Compliant | Lead Free | ||||
| ASM3P2854CG-16TR | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #NB3N3010BDGMOST Part #598-470-NB3N3010BDG | ON Semiconductor |
Clock Generator, Oversampling, 3.3 V, 12.288 MHz, for USB Applications
| Min.:1 Mult.:1 | 4 Weeks | LIFETIME (Last Updated: 1 month ago) | - | Surface Mount | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | 8 | - | 12.288MHz | 0°C~85°C | Tube | 2011 | e3 | yes | Obsolete | 1 (Unlimited) | 8 | - | Tin (Sn) | - | 3.135V~3.465V | DUAL | GULL WING | - | 1 | 3.3V | - | - | NB3N3010 | LVCMOS | 8 | - | - | 3.465V | - | - | 1 | 35mA | - | 3N | - | - | Halogen Free | Clock | 1:2 | - | - | - | No | No/No | - | - | - | USB Applications | 0.7 ns | 1.5mm | - | 5mm | 4mm | ROHS3 Compliant | Lead Free | ||||
| NB3N3010BDG | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC10H640FNR2GMOST Part #598-470-MC10H640FNR2G | ON Semiconductor |
Clock Divider 2-IN TTL 28-Pin PLCC T/R
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 135MHz | 0°C~85°C | Tape & Reel (TR) | 2006 | e3 | yes | Obsolete | 3 (168 Hours) | 28 | - | Tin (Sn) | - | 4.75V~5.25V | QUAD | J BEND | 260 | 1 | 5V | - | 40 | MC10H640 | TTL | 28 | - | 5V | - | 5V | - | 1 | - | - | 10H | - | - | Halogen Free | PECL, TTL | 2:6 | LOW SKEW CLOCK DRIVER | 0.024 A | - | No | Yes/Yes | 7 ns | 6 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | RoHS Compliant | Lead Free | ||||
| MC10H640FNR2G | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC100H640FNR2MOST Part #598-470-MC100H640FNR2 | ON Semiconductor |
Clock Drivers & Distribution ECL/TTL Clock Driver
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 135MHz | 0°C~85°C | Tape & Reel (TR) | 2006 | e0 | - | Obsolete | 3 (168 Hours) | 28 | - | Tin/Lead (Sn80Pb20) | - | 4.75V~5.25V | QUAD | J BEND | 240 | 1 | 5V | - | 30 | MC100H640 | TTL | 28 | - | - | 5.25V | 5V | 4.75V | 1 | - | - | - | - | - | - | PECL, TTL | 2:6 | LOW SKEW CLOCK DRIVER | 0.024 A | - | No | Yes/Yes | 7 ns | 6 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | Non-RoHS Compliant | Contains Lead | ||||
| MC100H640FNR2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #NB4N1158DTGMOST Part #598-470-NB4N1158DTG | ON Semiconductor |
IC CLK LINK REPLICATOR HDTV
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-TSSOP (0.173, 4.40mm Width) | 28 | - | - | -40°C~85°C | Tube | 2007 | e3 | - | Obsolete | 3 (168 Hours) | 28 | - | Tin (Sn) | - | 3.14V~3.47V | DUAL | GULL WING | - | 1 | 3.3V | 0.65mm | - | NB4N1158 | - | 28 | - | - | - | 3.3V | - | 1 | - | 0.075mA | - | - | - | - | LVPECL | 3:3 | - | - | - | No | Yes/Yes | - | - | SUPPORT CIRCUIT | Fibre Channel, Gigabit Ethernet, HDTV, SATA | - | - | - | 9.7mm | 4.4mm | RoHS Compliant | - | ||||
| NB4N1158DTG | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #MC100H642FNR2GMOST Part #598-470-MC100H642FNR2G | ON Semiconductor |
Clock Divider 2-IN TTL 28-Pin PLCC T/R
| Min.:1 Mult.:1 | - | - | - | Surface Mount | Surface Mount | 28-LCC (J-Lead) | 28 | - | 100MHz | 0°C~85°C | Tape & Reel (TR) | 2006 | e3 | yes | Obsolete | 3 (168 Hours) | 28 | - | Tin (Sn) | - | 4.75V~5.25V | QUAD | J BEND | 260 | 1 | 5V | - | 40 | MC100H642 | TTL | 28 | - | 5V | - | 5V | - | 1 | - | - | - | - | - | Halogen Free | ECL, TTL | 2:8 | LOW SKEW CLOCK DRIVER | - | - | No | Yes/Yes | - | 5.75 ns | - | 68030, 68040 MPUs | 0.5 ns | - | 4.57mm | - | - | RoHS Compliant | Lead Free | ||||
| MC100H642FNR2G | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Datasheet
| Mfr. Part #LV5609V-MPB-EMOST Part #598-470-LV5609V-MPB-E | ON Semiconductor |
Clock Drivers & Distribution CCD VERTICAL CLOCK DRIVER
| Min.:1 Mult.:1 | 19 Weeks | LAST SHIPMENTS (Last Updated: 20 hours ago) | - | Surface Mount | Surface Mount | 20-LSSOP (0.173, 4.40mm Width) | 20 | - | - | -20°C~80°C | Tube | 2007 | e6 | yes | Obsolete | 3 (168 Hours) | 20 | - | Tin/Bismuth (Sn/Bi) | 670mW | 2V~5.5V | DUAL | GULL WING | - | - | 3.3V | 0.635mm | - | - | - | 20 | - | - | - | 3.3V | - | 1 | - | - | - | - | - | - | CMOS | 7:5 | - | - | - | No | No/No | - | - | - | CCD | - | 1.3mm | - | 6.5mm | - | RoHS Compliant | Lead Free | ||||
| LV5609V-MPB-E |
Clock/Timing - Application Specific definition: Clock/Timing - Application Specific Product Listing: NB3N3010BDR2G,NB4N1158DTR2G,NB4N7132DTR2G,LV5609V-TLM-E,LV5609LP-TE-L-E.Integrated Circuits (ICs) type:Embedded - Microcontrollers(134263),Memory(116337),PMIC - Voltage Regulators - Linear(107072),PMIC - Supervisors(101983),Embedded - FPGAs (Field Programmable Gate Array)(62862) .Clock/Timing - Application Specific has 31 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the MOST.
Index :
0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ