These devices contain two independent 4-input AND gates. They perform the Boolean functions Y = A \x95 B \x95 C \x95 D or in positive logic.
The SN54F21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F21 is characterized for operation from 0°C to 70°C
SN74F21 | |
Rating | Catalog |
Technology Family | F |
器件 | 状态 | 温度 | 价格 | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
SN74F21D | ACTIVE | -40 to 85 | 0.24 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
SN74F21DE4 | ACTIVE | -40 to 85 | 0.24 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
SN74F21DG4 | ACTIVE | -40 to 85 | 0.24 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
SN74F21DR | ACTIVE | -40 to 85 | 0.20 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
SN74F21DRE4 | ACTIVE | -40 to 85 | 0.20 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
SN74F21DRG4 | ACTIVE | -40 to 85 | 0.20 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
SN74F21N | ACTIVE | -40 to 85 | 0.22 | 1ku | PDIP (N) | 14 | 25 | TUBE | |
SN74F21NE4 | ACTIVE | -40 to 85 | 0.22 | 1ku | PDIP (N) | 14 | 25 | TUBE |
器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
SN74F21D | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F21D | SN74F21D |
SN74F21DE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F21DE4 | SN74F21DE4 |
SN74F21DG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F21DG4 | SN74F21DG4 |
SN74F21DR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F21DR | SN74F21DR |
SN74F21DRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F21DRE4 | SN74F21DRE4 |
SN74F21DRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74F21DRG4 | SN74F21DRG4 |
SN74F21N | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | SN74F21N | SN74F21N |
SN74F21NE4 | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | SN74F21NE4 | SN74F21NE4 |