M66009FP

MITSUBISHI MITSUBISHI 〈DIGITAL 〈DIGITAL ASSP ASSP 〉 〉 M66009FP M66009FP 8BIT I/O EXPANDER WITH 5BIT ADDRESS 8-BIT I/O EXPANDER WITH 5-BIT ADDRESS DESCRIPTION M66009 silicon gate CMOS (complementary metal oxide semiconductor) integrated circuit converts 8-bit data from serial to parallel and vice versa. This IC has 5 address setting bits, which enable users to set a distinctive address. This IC offers a wide range of applications, such as for microcomputer input/output port extension. FEATURES Has 5 bits for address setting Connected to microcomputer via 4 pins (EN,CLK, DI and DO) Input/output setting possible by the bit Schmitt input (RESET, EN and CLK) Wide operating temperature range (Ta = –20˚C to 75˚C) APPLICATION Microcomputer I/O port extension, etc. PIN CONFIGURATION (TOP VIEW) CLOCK INPUT CLK SERIAL DATA INPUT DI SERIAL DATA OUTPUT DO DATA ENABLE INPUT EN A0 A1 ADDRESS SETTING A2 INPUT A3 A4 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCC RESET RESET INPUT D7 D6 D5 D4 PARALLEL DATA D3 I/O D2 D1 D0 Outline 20P2N-A M66009FP BLOCK DIAGRAM ADDRESS SETTING INPUT A0 5 A1 6 A2 7 A3 8 A4 9 DATA ENABLE INPUT EN 4 CLK 1 CLOCK INPUT 5 Clock control circuit Address check circuit 5 Address coincidence detection circuit ACK generation circuit 11 D0 12 D1 13 D2 14 D3 15 D4 16 D5 17 D6 8 DI 2 SERIAL DATA INPUT Shift register for serial input (8 bits) 8 PARALLEL DATA INPUT / OUTPUT Output latch (8 bits) RESET 19 RESET INPUT 8 18 D7 DO 3 SERIAL...