【NXP Semiconductors】74HCT221DB,单稳态多谐振荡器 DUAL MONOSTABLE MULTIVIBRATOR
【NXP Semiconductors】74HCT221DB,112,IC DUAL NONRETRIG MULTVIB 16SSOP
【NXP Semiconductors】74HCT221DB,118,IC DECODER/DEMUX 3-8 LINE 16SSOP
【NXP Semiconductors】74HCT221DB-T,单稳态多谐振荡器 DUAL MONOSTABLE MULTIVIBRATOR
【NXP Semiconductors】74HCT221N,112,IC DECODER/DEMUX 3-8 LINE 16DIP
【NXP Semiconductors】74HCT238BQ,115,IC DECOD/DEMUX 3-8LINE 16DHVQFN