ZHCSQK2H December 1982 – February 2025 SN54HC244 , SN74HC244
PRODUCTION DATA
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
SNx4HC244 八路緩沖器和線路驅(qū)動(dòng)器專門設(shè)計(jì)用于提高三態(tài)存儲(chǔ)器地址驅(qū)動(dòng)器、時(shí)鐘驅(qū)動(dòng)器以及總線導(dǎo)向接收器和發(fā)送器的性能和密度。SNx4HC244 器件配備兩個(gè)具有獨(dú)立輸出使能 (OE) 輸入的 4 位緩沖器和驅(qū)動(dòng)器。當(dāng) OE 為低電平時(shí),該器件將來自 A 輸入的同相數(shù)據(jù)傳遞到 Y 輸出。當(dāng) OE 為高電平時(shí),輸出處于高阻態(tài)。
| 器件型號(hào) | 封裝(1) | 封裝尺寸(2) | 本體尺寸(3) |
|---|---|---|---|
| SN54HC244 | J(CDIP,20) | 24.38mm × 7.62mm | 24.38mm × 6.92mm |
| W(CFP,20) | 13.72mm × 8.13mm | 13.72mm × 6.92mm | |
| FK(LCCC,20) | 8.89mm × 8.89mm | 8.89mm × 8.89mm | |
| SN74HC244 | DB(SSOP,20) | 7.2mm × 7.8mm | 7.2mm × 5.3mm |
| DW(SOIC,20) | 12.80mm × 10.3mm | 12.8mm × 7.5mm | |
| N(PDIP,20) | 24.33mm x 9.4mm | 24.33mm × 6.35mm | |
| NS(SOP,20) | 12.6mm × 7.8mm | 12.6mm × 5.3mm | |
| PW(TSSOP,20) | 6.5mm × 6.4mm | 6.5mm × 4.4mm |