Serial EEPROM XCF01S (TSSOP20, 170 mil)
1Mb, 128KB (131.072 byte), 2 0000 hex 8 bit
pinout
+--\/--+ CS |1 20| Vcc SK |2 19| NC DI |3 18| NC DO |4 17| GND CS |5 16| Vcc SK |6 15| NC DI |7 14| NC DO |8 13| GND DI |9 12| NC DO |10 11| GND +------+