AT24C256T1-10TI-2.7^ AT24C256T1-10TI-2.7` AT24C256T1-10TI-2.7= AT24C256T1-2.7 AT24C256U2-10UI-2.7 AT24C256U2-10UU-2.7 AT24C256W AT24C256W- AT24C256W SI-2.7 AT24C256W-10SC