- SN74ACT244DBR
分类:SN74ACT244DBR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SSOP - SN74ACT244DBR
分类:SN74ACT244DBR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SSOP - SN74ACT244DBR
分类:SN74ACT244DBR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SSOP - SN74LVCR2245APWR
分类:SN74LVCR2245APWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20TSSOP - SN74LVCR2245APWR
分类:SN74LVCR2245APWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20TSSOP - SN74LVCR2245APWR
分类:SN74LVCR2245APWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20TSSOP - 74LVT245MTCX
分类:74LVT245MTCX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC TRANSCVR TRI-ST 8BIT 20TSSOP - 74LVT245MTCX
分类:74LVT245MTCX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC TRANSCVR TRI-ST 8BIT 20TSSOP - 74LVT245MTCX
分类:74LVT245MTCX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC TRANSCVR TRI-ST 8BIT 20TSSOP - SN74ABT125DBR
分类:SN74ABT125DBR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS BUFF TRI-ST QD 14SSOP - SN74ABT125DBR
分类:SN74ABT125DBR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS BUFF TRI-ST QD 14SSOP - SN74ABT125DBR
分类:SN74ABT125DBR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS BUFF TRI-ST QD 14SSOP - SN74F244DWR
分类:SN74F244DWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74F244DWR
分类:SN74F244DWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74F244DWR
分类:SN74F244DWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74F245DWR
分类:SN74F245DWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74F245DWR
分类:SN74F245DWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74F245DWR
分类:SN74F245DWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74AHCT541PWR
分类:SN74AHCT541PWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - SN74AHCT541PWR
分类:SN74AHCT541PWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - SN74AHCT541PWR
分类:SN74AHCT541PWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - NC7WZ17P6
分类:NC7WZ17P6
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC BUFF DL SCHMT TRIG UHS SC706 - NC7WZ17P6
分类:NC7WZ17P6
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC BUFF DL SCHMT TRIG UHS SC706 - NC7WZ17P6
分类:NC7WZ17P6
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC BUFF DL SCHMT TRIG UHS SC706 - SN74LS125ANSR
分类:SN74LS125ANSR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS BUFF TRI-ST QD 14SO - SN74LS125ANSR
分类:SN74LS125ANSR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS BUFF TRI-ST QD 14SO - SN74LS125ANSR
分类:SN74LS125ANSR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS BUFF TRI-ST QD 14SO - 74LCX245WMX
分类:74LCX245WMX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC TRANSCVR BIDIR 8BIT 20SOIC - 74LCX245WMX
分类:74LCX245WMX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC TRANSCVR BIDIR 8BIT 20SOIC - 74LCX245WMX
分类:74LCX245WMX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC TRANSCVR BIDIR 8BIT 20SOIC - 74LVTH245MTCX
分类:74LVTH245MTCX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC TRANSCVR TRI-ST 8BIT 20TSSOP - 74LVTH245MTCX
分类:74LVTH245MTCX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC TRANSCVR TRI-ST 8BIT 20TSSOP - 74LVTH245MTCX
分类:74LVTH245MTCX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC TRANSCVR TRI-ST 8BIT 20TSSOP - CD74AC244M96
分类:CD74AC244M96
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74AC244M96
分类:CD74AC244M96
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74AC244M96
分类:CD74AC244M96
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HC541M96
分类:CD74HC541M96
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST 8BIT 20SOIC - CD74HC541M96
分类:CD74HC541M96
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST 8BIT 20SOIC - CD74HC541M96
分类:CD74HC541M96
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST 8BIT 20SOIC - CD74ACT541M96
分类:CD74ACT541M96
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST 8BIT 20SOIC - CD74ACT541M96
分类:CD74ACT541M96
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST 8BIT 20SOIC - CD74ACT541M96
分类:CD74ACT541M96
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST 8BIT 20SOIC - SN74ACT245DWR
分类:SN74ACT245DWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74ACT245DWR
分类:SN74ACT245DWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74ACT245DWR
分类:SN74ACT245DWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74ABT244APWR
分类:SN74ABT244APWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74ABT244APWR
分类:SN74ABT244APWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74ABT244APWR
分类:SN74ABT244APWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74ABT244ADWR
分类:SN74ABT244ADWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74ABT244ADWR
分类:SN74ABT244ADWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74ABT244ADWR
分类:SN74ABT244ADWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74ACT244PWR
分类:SN74ACT244PWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74ACT244PWR
分类:SN74ACT244PWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74ACT244PWR
分类:SN74ACT244PWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - 74LCX244BQX
分类:74LCX244BQX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC BUFF DVR LOW V N-INV 20DQFN - 74LCX244BQX
分类:74LCX244BQX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC BUFF DVR LOW V N-INV 20DQFN - 74LCX244BQX
分类:74LCX244BQX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC BUFF DVR LOW V N-INV 20DQFN - SN74ABT245BRGYR
分类:SN74ABT245BRGYR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20QFN - SN74ABT245BRGYR
分类:SN74ABT245BRGYR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20QFN - SN74ABT245BRGYR
分类:SN74ABT245BRGYR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20QFN - SN74ABT245BNSR
分类:SN74ABT245BNSR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20SO - SN74ABT245BNSR
分类:SN74ABT245BNSR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20SO - SN74ABT245BNSR
分类:SN74ABT245BNSR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20SO - SN74ABT126DR
分类:SN74ABT126DR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74ABT126DR
分类:SN74ABT126DR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74ABT126DR
分类:SN74ABT126DR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74ABT245BDBR
分类:SN74ABT245BDBR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20SSOP - SN74ABT245BDBR
分类:SN74ABT245BDBR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20SSOP - SN74ABT245BDBR
分类:SN74ABT245BDBR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20SSOP - SN74ALVC125PWR
分类:SN74ALVC125PWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS BUFF TRI-ST QD 14TSSOP - SN74ALVC125PWR
分类:SN74ALVC125PWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS BUFF TRI-ST QD 14TSSOP - SN74HC541PWR
分类:SN74HC541PWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - SN74HC541PWR
分类:SN74HC541PWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - SN74HC541PWR
分类:SN74HC541PWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - SN74LVC3G07DCTR
分类:SN74LVC3G07DCTR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRPL N-INV SM8 - SN74LVC3G07DCTR
分类:SN74LVC3G07DCTR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRPL N-INV SM8 - SN74LVC3G07DCTR
分类:SN74LVC3G07DCTR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRPL N-INV SM8 - TC4050BF(EL,N,F)
分类:TC4050BF(EL,N,F)
品牌:Toshiba
封装:*
描述:IC NON-INVERT HEX 1-INPUT - TC4050BF(EL,N,F)
分类:TC4050BF(EL,N,F)
品牌:Toshiba
封装:*
描述:IC NON-INVERT HEX 1-INPUT - TC4050BF(EL,N,F)
分类:TC4050BF(EL,N,F)
品牌:Toshiba
封装:*
描述:IC NON-INVERT HEX 1-INPUT - SN74LS126ADR
分类:SN74LS126ADR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74LS126ADR
分类:SN74LS126ADR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74LS126ADR
分类:SN74LS126ADR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74LS125ADR
分类:SN74LS125ADR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74LS125ADR
分类:SN74LS125ADR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS BUFF TRI-ST QD 14SOICN - SN74LS125ADR
分类:SN74LS125ADR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS BUFF TRI-ST QD 14SOICN - 74VHCT541AMTCX
分类:74VHCT541AMTCX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - 74VHCT541AMTCX
分类:74VHCT541AMTCX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - 74VHCT541AMTCX
分类:74VHCT541AMTCX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST 8BIT 20TSSOP - 74LCX244WMX
分类:74LCX244WMX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC BUFF DVR LOW V N-INV 20SOIC - 74LCX244WMX
分类:74LCX244WMX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC BUFF DVR LOW V N-INV 20SOIC - 74LCX244WMX
分类:74LCX244WMX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC BUFF DVR LOW V N-INV 20SOIC - CD4050BDWR
分类:CD4050BDWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/CONVERTER HEX 16SOIC - CD4050BDWR
分类:CD4050BDWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/CONVERTER HEX 16SOIC - CD4050BDWR
分类:CD4050BDWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/CONVERTER HEX 16SOIC - CD74HC244M96
分类:CD74HC244M96
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HC244M96
分类:CD74HC244M96
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HC244M96
分类:CD74HC244M96
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HC245M96
分类:CD74HC245M96
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCVR 3-ST 8BIT 20SOIC - CD74HC245M96
分类:CD74HC245M96
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCVR 3-ST 8BIT 20SOIC - CD74HC245M96
分类:CD74HC245M96
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCVR 3-ST 8BIT 20SOIC - CD74HCT244M96
分类:CD74HCT244M96
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HCT244M96
分类:CD74HCT244M96
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HCT244M96
分类:CD74HCT244M96
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74AUC07RGYR
分类:SN74AUC07RGYR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR HEX NON-INV 14VQFN - SN74AUC07RGYR
分类:SN74AUC07RGYR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR HEX NON-INV 14VQFN - SN74AUC07RGYR
分类:SN74AUC07RGYR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR HEX NON-INV 14VQFN - SN74ALVCH245PWR
分类:SN74ALVCH245PWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20TSSOP - SN74ALVCH245PWR
分类:SN74ALVCH245PWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20TSSOP - SN74ALVCH245PWR
分类:SN74ALVCH245PWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20TSSOP - SN74ABT2244APWR
分类:SN74ABT2244APWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74ABT2244APWR
分类:SN74ABT2244APWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74ABT2244APWR
分类:SN74ABT2244APWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20TSSOP - SN74LVC2G241DCUR
分类:SN74LVC2G241DCUR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DL US8 - SN74LVC2G241DCUR
分类:SN74LVC2G241DCUR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DL US8 - SN74LVC2G241DCUR
分类:SN74LVC2G241DCUR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DL US8 - MM74HC244WMX
分类:MM74HC244WMX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - MM74HC244WMX
分类:MM74HC244WMX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - MM74HC244WMX
分类:MM74HC244WMX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HC125QPWRQ1
分类:CD74HC125QPWRQ1
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST QD 14TSSOP - 74VHC245MX
分类:74VHC245MX
品牌:Fairchild Semiconductor
封装:Digi-Reel?
描述:IC TRANSCVR TRI-ST 8BIT 20SOIC - 74VHC245MX
分类:74VHC245MX
品牌:Fairchild Semiconductor
封装:剪切带 (CT)
描述:IC TRANSCVR TRI-ST 8BIT 20SOIC - 74VHC245MX
分类:74VHC245MX
品牌:Fairchild Semiconductor
封装:带卷 (TR)
描述:IC TRANSCVR TRI-ST 8BIT 20SOIC - CD74HCT241M96
分类:CD74HCT241M96
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HCT241M96
分类:CD74HCT241M96
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - CD74HCT241M96
分类:CD74HCT241M96
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUFF/DVR TRI-ST DUAL 20SOIC - SN74ABT245BDWR
分类:SN74ABT245BDWR
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74ABT245BDWR
分类:SN74ABT245BDWR
品牌:Texas Instruments
封装:剪切带 (CT)
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - SN74ABT245BDWR
分类:SN74ABT245BDWR
品牌:Texas Instruments
封装:带卷 (TR)
描述:IC BUS TRANSCEIVER 8BIT 20SOIC - CY74FCT2541CTQCT
分类:CY74FCT2541CTQCT
品牌:Texas Instruments
封装:Digi-Reel?
描述:IC BUFF/DVR TRI-ST 8BIT 20QSOP