 | 74AHC273PW,112 | 9423 | NXP Semiconductors | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.5000 | IC OCT D FF POS-EDGE TRG 20TSSOP | 购买 |
| SN74HC574DWR | 4000 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.1628 | IC OCTAL D-TYPE F-F 20-SOIC | 购买 |
| SN74HC574DWR | 4000 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.1628 | IC OCTAL D-TYPE F-F 20-SOIC | 购买 |
| HEF4027BP,652 | 746 | NXP Semiconductors | 19+ | 16-DIP（0.300"，7.62mm） | ￥1.0000 | IC DUAL JK EDGE-TRIG F/F 16-DIP | 购买 |
| 74HC175N,652 | 1195 | NXP Semiconductors | 19+ | 16-DIP（0.300"，7.62mm） | ￥1.3700 | IC QUAD D F-F POS-EDGE 16DIP | 购买 |
| 74HCT174D,652 | 897 | NXP Semiconductors | 19+ | 16-SOIC（0.154"，3.90mm 宽） | ￥0.5200 | IC HEX D F-F POS-EDGE 16-SOIC | 购买 |
| 74HC574D,652 | 1452 | NXP Semiconductors | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.5700 | IC FLIP FLOP OCTAL D 3ST 20SOIC | 购买 |
| N74F74D,602 | 3120 | NXP Semiconductors | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5200 | IC FLIP FLOP DUAL D TYPE 14SOIC | 购买 |
| SN74LVC574ADBR | 2000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.1705 | IC OCTAL F-F TRI-STATE 20-SSOP | 购买 |
| SN74LVC574ADBR | 2000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.1705 | IC OCTAL F-F TRI-STATE 20-SSOP | 购买 |
| 74HCT377D,652 | 2866 | NXP Semiconductors | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.5500 | IC D-TYPE F-F POS-EDG-TRG 20SOIC | 购买 |
| 74HC109N,652 | 1523 | NXP Semiconductors | 19+ | 16-DIP（0.300"，7.62mm） | ￥1.1200 | IC DUAL JK F-F POS-EDGE 16DIP | 购买 |
| SN74AUP1G80DCKR | 9000 | Texas Instruments | 19+ | 6-TSSOP（5 引线），SC-88A，SOT-353 | ￥0.1044 | IC SNGL POS-EDG-TRG D F-F SC70-5 | 购买 |
| SN74AUP1G80DCKR | 9000 | Texas Instruments | 19+ | 6-TSSOP（5 引线），SC-88A，SOT-353 | ￥0.1044 | IC SNGL POS-EDG-TRG D F-F SC70-5 | 购买 |
| SN74AUP1G80DCKR | 9000 | Texas Instruments | 19+ | 6-TSSOP（5 引线），SC-88A，SOT-353 | ￥0.1044 | IC SNGL POS-EDG-TRG D F-F SC70-5 | 购买 |
| 74HC377D,652 | 2923 | NXP Semiconductors | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.4800 | IC OCTAL D F-F POS-EDGE 20-SOIC | 购买 |
| SN74AUC1G74DCTR | 12000 | Texas Instruments | 19+ | 7-LSSOP（0.11"?，2.80mm 宽） | ￥0.1860 | IC SNGL POS-EDG-TRG D F-F SM8 | 购买 |
| 74HC73N,652 | 3431 | NXP Semiconductors | 19+ | 14-DIP（0.300"，7.62mm） | ￥1.2700 | IC FLIP FLOP JK DUAL 14DIP | 购买 |
| 74HC107N,652 | 2093 | NXP Semiconductors | 19+ | 14-DIP（0.300"，7.62mm） | ￥1.1200 | IC DUAL JK F-F NEG-EDGE 14DIP | 购买 |
| 74HCT173N,652 | 1165 | NXP Semiconductors | 19+ | 16-DIP（0.300"，7.62mm） | ￥1.3700 | IC D F-F POS-EDGE TRIGGER 16-DIP | 购买 |
