integrated circuit Mystery 1974 vintage TI chip N286M26 Electrical Engineering Stack Exchange
integrated circuit Mystery 1974 vintage TI chip N286M26 Electrical Engineering Stack Exchange . The date code will be the two digits after ti on the top side marking. Device marking ti = ti letters ym = year month date code llll = assembly lot code s = assembly site code o = pin 1 indicator o {cust1} ti yms llll topside device. WL1835MOD WiFi and Bluetooth Module External Photos Texas Instruments orporated from fccid.io These hermetically sealed devices use a lot date code in conjunction with the full device part number for traceability. Most integrated circuits (ics) manufactured by texas instruments or toshiba use a four digit code to define the week and year of manufacturing. The ltc is used in tl marking if space permits, and contains the following information: