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.
SN54ALS21A | |
Rating | Military |
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 |
SNJ54ALS21AFK | ACTIVE | -55 to 125 | 5.84 | 1ku | LCCC (FK) | 20 | 1 | TUBE | |
SNJ54ALS21AJ | ACTIVE | -55 to 125 | 2.20 | 1ku | CDIP (J) | 14 | 1 | TUBE | |
SNJ54ALS21AW | ACTIVE | -55 to 125 | 5.87 | 1ku | CFP (W) | 14 | 1 | 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 |
SNJ54ALS21AFK | TBD | POST-PLATE | N/A for Pkg Type | SNJ54ALS21AFK | SNJ54ALS21AFK |
SNJ54ALS21AJ | TBD | A42 | N/A for Pkg Type | SNJ54ALS21AJ | SNJ54ALS21AJ |
SNJ54ALS21AW | TBD | A42 | N/A for Pkg Type | SNJ54ALS21AW | SNJ54ALS21AW |