【NXP Semiconductors】74HCT221D,112,IC DUAL NONRETRIG MULTVIB 16SOIC
【NXP Semiconductors】74HCT221D,118,IC DECODER/DEMUX 3-8 LINE 16SOIC
【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