Micro controller IC

Part No. ROM Type ROM RAM I/O Pins External Memory Space Operating Voltage Timer/ Counter Int Special Function PACKAGE PDIP PLCC PQFP W78L32 ROMless - 256 32 64 K 5.5V ~ 1.8V 3 6 CMOS General purpose 40 44 44 W78L51 Mask 4K 128 32/36 64 K 5.5V ~ 1.8V 2 7 -Extra I/O Port, /INT2, /INT3, -WDT 40 44 44 W78L52 Mask 8K 256 32/36 64 K 5.5V ~ 1.8V 3 8 -Extra I/O Port, /INT2, /INT3, -WDT 40 44 44 W78L54 Mask 16K 256 32/36 64 K 5.5V ~ 1.8V 3 8 -16 KB Mask ROM size -Extra I/O Port, / INT2, /INT3 ,WDT 40 44 44 W78L801 Mask 4K 256 36 64K 5.5V ~ 1.8V 2 12 -Extra I/O Port-Wake-up the Power-Down mode from Port1 interrupt-WDT 40 44 44 W78LE51 Flash EPROM 4K 128 32/36 64 K 5.5V ~ 2.4V 2 7 -Multiple-Time Programmable -Extra I/O Port, / INT2, /INT3, WDT 40 44 44 W78LE52 Flash EPROM 8K 256 32/36 64 K 5.5V ~ 2.4V 3 8 -Multiple-Time Programmable-Extra I/O Port, / INT2, /INT3, WDT 40 44 44 W78LE54 Flash EPROM 16K 256 32/36 64 K 5.5V ~ 2.4V 3 8 -Multiple-Time Programmable -Extra I/O Port, / INT2, /INT3, WDT 40 44 44 W78LE58 Flash EPROM 32K 256 32/36 64 K 5.5V ~ 2.4V 3 8 -Multiple-Time Programmable-In-system Programming -Extra I/O Port, / INT2, /INT3 40 44 44 W78LE516 Flash EPROM 64K 512 32/36 64 K 5.5V ~ 2.4V 3 8 -Multiple-Time Programmable-In-system Programming -Extra I/O Port, / INT2, /INT3 40 44 44 W78LE812 Flash EPROM 8K 256 36 64K 5.5V ~ 2.4V 3 14 -Extra I/O Port-Wake-up the Power-Down mode from Port1 interrupt-WDT-UART 40 44 44