آی سی AM29F400BB -70EC پکیج TSOP-48 مخصوص ECU  مجموعه ای از مدارات الکترونیکی است که روی قطعه کوچکی از نیمه هادی‌ها قرار گرفته اند و  به عنوان یک آی سی حافظه یا فلش در انواع ایسییو مورد استفاده قرار میگیرد. 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory The Am29F400B is a 4 Mbit, 5.0 volt-only Flash memory organized as 524,288 bytes or 262,144 words. The device is offered in 44-pin SO and 48-pin TSOP packages. The word wide data (x16) appears on DQ15–DQ0; the byte-wide (x8) data appears on DQ7– DQ0. This device is designed to be programmed in- system with the standard system 5.0 volt V CC supply. A 12.0 V VPP is not required for write or erase operations. The device can also be programmed in standard EPROM programmers. مشخصات آی سی AM29F400BB -70EC پکیج TSOP-48 : 4Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory 5.0 volt-only operation for read, erase, and program operations Minimizes system level requirements Compatible with 0.5 µm Am29F400 device Access times as fast as 55 ns One 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and seven 64 Kbyte sectors (byte mode) One 8 Kword, two 4 Kword, one 16 Kword, ...