ZHCSRM0G December 1982 – April 2021 SN54HC20 , SN74HC20
PRODUCTION DATA
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
該器件包含兩個(gè)獨(dú)立的 4 輸入與非門(mén)。每個(gè)邏輯門(mén)以正邏輯執(zhí)行布爾函數(shù) Y = A ● B ● C ● D。
| 器件型號(hào) | 封裝 | 封裝尺寸(標(biāo)稱值) |
|---|---|---|
| SN74HC20D | SOIC (14) | 8.70mm × 3.90mm |
| SN74HC20N | PDIP (14) | 19.30mm × 6.40mm |
| SN74HC20NS | SO (14) | 10.20mm × 5.30mm |
| SN74HC20PW | TSSOP (14) | 5.00mm × 4.40mm |
| SN54HC20J | CDIP (14) | 21.30mm × 7.60mm |
| SN54HC20W | CFP (14) | 9.20mm × 6.29mm |
| SN54HC20FK | LCCC (20) | 8.90mm × 8.90mm |
功能引腳分配