 | 74LVX273M | 1905 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.7000 | IC FLIP FLOP OCTAL D-TYPE 20SOIC | 购买 |
| MC74HCT574ADWG | 1832 | ON Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6200 | IC FLIP FLOP OCT D 3ST 20-SOIC | 购买 |
| MC74ACT377DWG | 1300 | ON Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.9200 | IC FLIP FLOP OCT D W/CLK 20-SOIC | 购买 |
| MC100EP451FAR2G | 2000 | ON Semiconductor | 19+ | 32-LQFP | ￥14.4900 | IC REGISTER DIFF 6BIT ECL 32LQFP | 购买 |
| SN74HC74DR | 7500 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.1044 | IC DUAL D-TYPE FLIP-FLOP 14-SOIC | 购买 |
| SN74HC74DR | 7500 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.1044 | IC DUAL D-TYPE FLIP-FLOP 14-SOIC | 购买 |
| SN74AHC74DR | 2500 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.1044 | IC DUAL POS-EDG-TRG D F-F 14SOIC | 购买 |
| SN74AHCT74PWR | 6000 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1044 | IC DUAL EDG-TRG D F-F 14-TSSOP | 购买 |
| SN74AHCT74PWR | 6000 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1044 | IC DUAL EDG-TRG D F-F 14-TSSOP | 购买 |
| SN74HCT74DR | 2500 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.1044 | IC DUAL D-TYPE FLIP-FLOP 14-SOIC | 购买 |
| SN74AHC74DGVR | 4000 | Texas Instruments | 19+ | 14-TFSOP （0.173"，4.40mm 宽） | ￥0.1044 | IC DUAL EDG-TRG DTYP F-F 14TVSOP | 购买 |
| SN74AHC74DGVR | 4000 | Texas Instruments | 19+ | 14-TFSOP （0.173"，4.40mm 宽） | ￥0.1044 | IC DUAL EDG-TRG DTYP F-F 14TVSOP | 购买 |
| SN74AHC74PWR | 6000 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1280 | IC DUAL EDG-TRG DTYP F-F 14TSSOP | 购买 |
| SN74HC74PWR | 4000 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1044 | IC DUAL F-F W/CLR/PRESET 14TSSOP | 购买 |
| SN74HC74PWR | 4000 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1044 | IC DUAL F-F W/CLR/PRESET 14TSSOP | 购买 |
| SN74HCT74PWR | 2000 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.1044 | IC DUAL F-F W/CLR/PRESET 14TSSOP | 购买 |
| SN74HCT74DBR | 2000 | Texas Instruments | 19+ | 14-SSOP（0.209"，5.30mm 宽） | ￥0.1056 | IC FLIP FLOP DUAL D 14-SSOP | 购买 |
| SN74HCT74DBR | 2000 | Texas Instruments | 19+ | 14-SSOP（0.209"，5.30mm 宽） | ￥0.1056 | IC FLIP FLOP DUAL D 14-SSOP | 购买 |
| SN74HC74NSR | 8000 | Texas Instruments | 19+ | 14-SOIC（0.209"，5.30mm 宽） | ￥0.1056 | IC DUAL F-F W/CLR/PRESET 14-SOP | 购买 |
| SN74AHCT74DBR | 2000 | Texas Instruments | 19+ | 14-SSOP（0.209"，5.30mm 宽） | ￥0.1400 | IC DUAL POS-EDG-TRG D F-F 14SSOP | 购买 |
