is89c52-40pqi Microcontroller of PDF datasheet

IS89C52-40PQI
Manufacturer : Integrated Silicon Solution, Inc
Description : CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH

IS89C52-40PQI
Manufacturer : ISSI
Description : CMOS single chip 8-bit microcontroller with 8-Kbytes of FLASH