ZHCSQ55H April 2004 – March 2022 SN54HC148 , SN74HC148
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
SNx4HC148 是一款 8 输入优先级编码器。添加了输入使能 (EI) 和输出使能 (EO) 信号,允许级联多个级,而无需添加外部电路。
器件型号 | 封装 | 封装尺寸(标称值) |
---|---|---|
SN74HC148D | SOIC (16) | 9.90mm × 3.90mm |
SN74HC148N | PDIP (16) | 19.31mm × 6.35mm |
SN74HC148NS | SO (16) | 10.20mm × 5.30mm |
SN54HC148J | CDIP (16) | 21.34mm × 6.92mm |
SNJ54HC148FK | LCCC (20) | 8.89mm × 8.45mm |