These devices contain two independent 4-input positive-AND gates. They perform the Boolean functions or in positive logic.
The SN54ALS21A and SN54AS21 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS21A and SN74AS21 are characterized for operation from 0°C to 70°C
SN74ALS21A | |
Rating | Catalog |
Technology Family | ALS |
器件 | 状态 | 温度 | 价格 | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
SN74ALS21AD | ACTIVE | -40 to 85 | 0.24 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
SN74ALS21ADE4 | ACTIVE | -40 to 85 | 0.24 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
SN74ALS21ADG4 | ACTIVE | -40 to 85 | 0.24 | 1ku | SOIC (D) | 14 | 50 | TUBE | |
SN74ALS21ADR | ACTIVE | -40 to 85 | 0.20 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
SN74ALS21ADRE4 | ACTIVE | -40 to 85 | 0.20 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
SN74ALS21ADRG4 | ACTIVE | -40 to 85 | 0.20 | 1ku | SOIC (D) | 14 | 2500 | LARGE T&R | |
SN74ALS21AN | ACTIVE | -40 to 85 | 0.22 | 1ku | PDIP (N) | 14 | 25 | TUBE | |
SN74ALS21ANE4 | 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 |
SN74ALS21AD | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74ALS21AD | SN74ALS21AD |
SN74ALS21ADE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74ALS21ADE4 | SN74ALS21ADE4 |
SN74ALS21ADG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74ALS21ADG4 | SN74ALS21ADG4 |
SN74ALS21ADR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74ALS21ADR | SN74ALS21ADR |
SN74ALS21ADRE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74ALS21ADRE4 | SN74ALS21ADRE4 |
SN74ALS21ADRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | SN74ALS21ADRG4 | SN74ALS21ADRG4 |
SN74ALS21AN | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | SN74ALS21AN | SN74ALS21AN |
SN74ALS21ANE4 | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | SN74ALS21ANE4 | SN74ALS21ANE4 |