 | CY74FCT2574ATQCT | 2500 | Texas Instruments | 19+ | 20-SSOP（0.154"，3.90mm 宽） | ￥0.3509 | IC D-TYPE F-F TRI-ST HS 20-QSOP | 购买 |
| CY74FCT2574ATQCT | 2500 | Texas Instruments | 19+ | 20-SSOP（0.154"，3.90mm 宽） | ￥0.3509 | IC D-TYPE F-F TRI-ST HS 20-QSOP | 购买 |
| SN74HCT74N | 2146 | Texas Instruments | 19+ | 14-DIP（0.300"，7.62mm） | ￥0.3300 | IC DUAL D-TYPE FLIP-FLOP 14-DIP | 购买 |
| SN74AHC74PW | 4954 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.4600 | IC FLIP FLOP D DUAL POS 14-TSSOP | 购买 |
| SN74AHCT74PW | 3570 | Texas Instruments | 19+ | 14-TSSOP（0.173"，4.40mm 宽） | ￥0.4600 | IC FLIP FLOP D DUAL POS 14-TSSOP | 购买 |
| SN74AHC74D | 502 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.4600 | IC DUAL POS-EDG-TRG D F-F 14SOIC | 购买 |
| CD4013BM | 7821 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5100 | IC DUAL D-TYPE FLIP-FLOP 14-SOIC | 购买 |
| SN74LVC74ADT | 750 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5170 | IC DUAL POS-EDG-TRG D F-F 14SOIC | 购买 |
| SN74HC109N | 2412 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.5200 | IC DUAL F-F W/CLR/PRESET 16-DIP | 购买 |
| SN74HC174N | 2141 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.5200 | IC HEX D-TYPE FLIP-FLOP 16-DIP | 购买 |
| SN74HC175N | 1890 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.5200 | IC QUAD D-TYPE F-F W/CLR 16-DIP | 购买 |
| CD4027BE | 2963 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.5300 | IC DUAL JK MASTR-SLV F/F 16-DIP | 购买 |
| CD4027BM | 1952 | Texas Instruments | 19+ | 16-SOIC（0.154"，3.90mm 宽） | ￥0.5300 | IC DUAL JK MASTR-SLV F/F 16-SOIC | 购买 |
| SN74LV574ADW | 1701 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.5400 | IC OCT D FLIP-FLOP 20-SOIC | 购买 |
| SN74LV273APW | 1287 | Texas Instruments | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.5400 | IC OCT EDG-TRG D-TYPE F-F20TSSOP | 购买 |
| SN74HCT574N | 1688 | Texas Instruments | 19+ | 20-DIP（0.300"，7.62mm） | ￥0.5200 | IC OCT D FLIP-FLOP 20-DIP | 购买 |
| SN74LVC74AD | 2590 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5500 | IC DUAL D-TYPE FLIP-FLOP 14-SOIC | 购买 |
| CD40174BE | 2430 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.5700 | IC HEX D-TYPE F/F 16-DIP | 购买 |
| SN74LVC574ADW | 3622 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.5700 | IC OCTAL F-F TRI-STATE 20-SOIC | 购买 |
| SN74ACT74D | 1497 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5700 | IC DUAL POS-EDG-TRG D F-F 14SOIC | 购买 |
