74HCT244D652,
74HCT244D653,
【NXP Semiconductors】74HCT244DB,112,IC BUFF/DVR TRI-ST DUAL 20SSOP
【NXP Semiconductors】74HCT244DB,118,IC BUFF/DVR TRI-ST DUAL 20SSOP
【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,