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TD87C54

TD87C54-1 CHMOS single-chip 8-bit microcontroller. 3.5 MHz to 16 MHz, 5 V, EPROM 16 Kbytes, RAM 256 bytes

TD87C54-2 CHMOS single-chip 8-bit microcontroller. 0.5 MHz to 12 MHz, 5 V, EPROM 16 Kbytes, RAM 256 bytes

TD87C54-24 CHMOS single-chip 8-bit microcontroller. 3.5 MHz to 24 MHz, 5 V, EPROM 16 Kbytes, RAM 256 bytes