 | 74HC574DB,112 | 5529 | NXP Semiconductors | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.8000 | IC OCTAL D F-F POS-EDGE 20-SSOP | 购买 |
| SN74F574DWR | 4612 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.8100 | IC OCT EDG-TRG D-TYP F-F 20-SOIC | 购买 |
| SN74F574DWR | 4612 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.8100 | IC OCT EDG-TRG D-TYP F-F 20-SOIC | 购买 |
| SN74AC574PWR | 5883 | Texas Instruments | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.0000 | IC OCT EDG-TRG D-TYP F-F 20TSSOP | 购买 |
| 74HC564N,652 | 859 | NXP Semiconductors | 19+ | 20-DIP（0.300"，7.62mm） | ￥1.9700 | IC D F-F POS EDGE TRIGGER 20-DIP | 购买 |
| SN74LS273DWR | 8000 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.3321 | IC OCTAL F/F W/CLEAR 20-SOIC | 购买 |
| CD4013BMT | 500 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5640 | IC FLIP-FLOP D-TYPE DUAL 14SOIC | 购买 |
| 74LVT74PW,112 | 2203 | NXP Semiconductors | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥1.0400 | IC DUAL D-TYPE F-F 3.3V 14-TSSOP | 购买 |
| CD74HCT574QM96EP | 1813 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥1.7200 | IC OCT D FF POS-EDGE TRIG 20SOIC | 购买 |
| SN74ALVCH162721DLR | 1058 | Texas Instruments | 19+ | 56-BSSOP（0.295"，7.50mm 宽） | ￥4.4600 | IC 3.3V F/F TRI-ST 56-SSOP | 购买 |
| SN74ALVCH162721DLR | 1058 | Texas Instruments | 19+ | 56-BSSOP（0.295"，7.50mm 宽） | ￥4.4600 | IC 3.3V F/F TRI-ST 56-SSOP | 购买 |
| NC7SZ374P6X | 3000 | Fairchild Semiconductor | 19+ | 6-TSSOP，SC-88，SOT-363 | ￥0.0742 | IC FLIP FLOP DTYPE TRI-ST SC70-6 | 购买 |
| NC7SZ374P6X | 3000 | Fairchild Semiconductor | 19+ | 6-TSSOP，SC-88，SOT-363 | ￥0.0742 | IC FLIP FLOP DTYPE TRI-ST SC70-6 | 购买 |
| NC7SZ374P6X | 3000 | Fairchild Semiconductor | 19+ | 6-TSSOP，SC-88，SOT-363 | ￥0.0742 | IC FLIP FLOP DTYPE TRI-ST SC70-6 | 购买 |
| MC74HC74ADTR2G | 23188 | ON Semiconductor | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.5100 | IC FLIPFLOP DUAL SET/RST 14TSSOP | 购买 |
| MC74HCT74ADR2G | 2500 | ON Semiconductor | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.0932 | IC FLIP FLOP DUAL SET/RST 14SOIC | 购买 |
| NL17SZ74USG | 6000 | ON Semiconductor | 19+ | 8-VFSOP（0.091"，2.30mm 宽） | ￥0.1035 | IC FLIP FLOP D-TYPE LOG US8 | 购买 |
| 74VHC74MTCX | 5000 | Fairchild Semiconductor | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1086 | IC FLIP FLOP DUAL DTYPE 14TSSOP | 购买 |
| 74VHC74MTCX | 5000 | Fairchild Semiconductor | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1086 | IC FLIP FLOP DUAL DTYPE 14TSSOP | 购买 |
| MC74VHC74DTR2G | 2500 | ON Semiconductor | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1139 | IC FLIP FLOP DUAL D S/R 14-TSSOP | 购买 |
