【NXP Semiconductors】74HCT244DB-T,缓冲器和线路驱动器 OCTAL BUFFER 3-STATE
74HCT244D-Q100,118,IC BUFFER NON-INVERT 5.5V 20SO
74HCT244N,
【NXP Semiconductors】74HCT244N,652,IC BUFF/DVR TRI-ST DUAL 20DIP
74HCT244N652,
【NXP Semiconductors】74HCT244PW,112,IC BUFF/DVR TRI-ST DUAL 20TSSOP
【NXP Semiconductors】74HCT244PW,118,IC BUFF/DVR TRI-ST DUAL 20TSSOP