6554FT Search Results

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Text: SA i YO I LC6554D, 6554FT No. 2156A CMOS LSI 4K-Byte ROM-Contained Single-Chip 4-Bit Microcomputers With FLT , LED Drivers The LC6554D/H are single-chip 4-bit microcomputers that contain a 4K-byte ROM, 1K-bit RAM, and have 64 pins. The LC6554D/H have 57 pins for ports — 28 pins for 7 input/output common ports, 21 pins for 6 output ports, and