 | SN74HC393NSR | 2000 | Texas Instruments | 19+ | 14-SOIC（0.209"，5.30mm 宽） | ￥0.1705 | IC COUNTER BIN 4BIT DUAL 14SOP | 购买 |
| HEF4516BP,652 | 844 | NXP Semiconductors | 19+ | 16-DIP（0.300"，7.62mm） | ￥2.0200 | IC BINARY COUNTER UP/DOWN 16DIP | 购买 |
| HCF4024M013TR | 2500 | STMicroelectronics | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.3528 | IC COUNTER/DIVIDER 7ST 14-SOIC | 购买 |
| HCF4024BEY | 1552 | STMicroelectronics | 19+ | 14-DIP（0.300"，7.62mm） | ￥0.8800 | IC COUNTER/DIVIDER 7ST 14-DIP | 购买 |
| M74HC390B1R | 850 | STMicroelectronics | 19+ | 16-DIP（0.300"，7.62mm） | ￥1.0700 | IC DECADE COUNTER DUAL 16-DIP | 购买 |
| HCF4518BEY | 1166 | STMicroelectronics | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.7600 | IC UP-COUNTER BCD DUAL 16-DIP | 购买 |
| M74HC163B1R | 478 | STMicroelectronics | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.9600 | IC COUNTER 4-BIT SYNC 16-DIP | 购买 |
| MC74AC4040DG | 224 | ON Semiconductor | 19+ | 16-SOIC（0.154"，3.90mm 宽） | ￥1.6000 | IC COUNTER RIPPLE 12ST 16-SOIC | 购买 |
| MC100EP33DTG | 79 | ON Semiconductor | 19+ | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） | ￥7.5000 | IC DIVIDER DIV X4 ECL CLK 8TSSOP | 购买 |
| MC100EP33DG | 227 | ON Semiconductor | 19+ | 8-SOIC（0.154"，3.90mm 宽） | ￥7.5000 | IC DIVIDER DIV X4 ECL CLK 8SOIC | 购买 |
| MC10H016PG | 67 | ON Semiconductor | 19+ | 16-DIP（0.300"，7.62mm） | ￥21.8600 | IC COUNTER 4BIT BINARY 16DIP | 购买 |
| M74HC4520B1R | 1716 | STMicroelectronics | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.5200 | IC COUNTER DUAL 4BIT BIN 16-DIP | 购买 |
| CD4020BPWR | 4000 | Texas Instruments | 19+ | 16-TSSOP（0.173"，4.40mm 宽） | ￥0.1442 | IC BINARY CNTR/DIV RIPL 16TSSOP | 购买 |
| CD4518BM96 | 2372 | Texas Instruments | 19+ | 16-SOIC（0.154"，3.90mm 宽） | ￥0.1581 | IC DUAL BCD UP-COUNTER 16-SOIC | 购买 |
| CD4026BEE4 | 2127 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | ￥0.5200 | IC COUNTER/DIVIDR DECADE 16-DIP | 购买 |
| CD4521BNSR | 2000 | Texas Instruments | 19+ | 16-SOIC（0.209"，5.30mm 宽） | ￥0.1736 | IC 24STAGE FREQ DIVIDER 16-SOP | 购买 |
| CD74HC4060PWR | 4000 | Texas Instruments | 19+ | 16-TSSOP（0.173"，4.40mm 宽） | ￥0.1860 | IC 14-STAGE BIN COUNTER 16TSSOP | 购买 |
| CD74HC4060PWR | 4000 | Texas Instruments | 19+ | 16-TSSOP（0.173"，4.40mm 宽） | ￥0.1860 | IC 14-STAGE BIN COUNTER 16TSSOP | 购买 |
| CD74HCT4520M96 | 1964 | Texas Instruments | 19+ | 16-SOIC（0.154"，3.90mm 宽） | ￥0.2465 | IC DUAL BINARY UP-COUNTER 16SOIC | 购买 |
| SN74LS193NE4 | 765 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | ￥1.1300 | IC 4-BIT UP/DOWN COUNTER 16-DIP | 购买 |
