 | HEF4521BP,652 | 320 | NXP Semiconductors | 19+ | 16-DIP（0.300"，7.62mm） | ￥2.1000 | IC FREQ DIVIDER 24STG 16DIP | 购买 |
| 74LV4020D,112 | 759 | NXP Semiconductors | 19+ | 16-SOIC（0.154"，3.90mm 宽） | ￥1.3000 | IC 14BIT BINARY RIPPLE 16-SOIC | 购买 |
| 74HC4059N,112 | 374 | NXP Semiconductors | 19+ | 24-DIP（0.600"，15.24mm） | ￥5.1000 | IC PROG DIV-BY-N COUNTER 24-DIP | 购买 |
| SY100EL33ZG | 129 | Micrel Inc | 19+ | 8-SOIC（0.154"，3.90mm 宽） | ￥3.1100 | IC DIVIDER /4 5V/3.3V 8-SOIC | 购买 |
| SY10EL32VZG | 92 | Micrel Inc | 19+ | 8-SOIC（0.154"，3.90mm 宽） | ￥4.1300 | IC DIVIDER /2 5V/3.3V 8-SOIC | 购买 |
| SY100E137JZ | 27 | Micrel Inc | 19+ | 28-LCC（J 形引线） | ￥6.7900 | IC COUNTER RIPPLE 8BIT 28-PLCC | 购买 |
| SN74HC393DR | 2500 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.1550 | IC DUAL 4BIT BINRY COUNTR 14SOIC | 购买 |
| SN74HC393NSR | 2000 | Texas Instruments | 19+ | 14-SOIC（0.209"，5.30mm 宽） | ￥0.1705 | IC COUNTER BIN 4BIT DUAL 14SOP | 购买 |
| 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 |
