INS8080AN 8-bit microprocessor IC DIP-40 Wide

Description

INS8080AN 8-bit microprocessor IC The INS8080AN 8-bit Microprocessor IC is a general-purpose central processing unit designed using N-channel silicon-gate MOS technology. Developed as part of the National Semiconductor 8000 series microprocessor family, this device functions as the core processing unit for microcomputer systems and embedded electronic platforms. Features: 2µs instruction cycle for rapid processing. Variable length instructions to optimize code efficiency. Six general-purpose registers plus an accumulator for data manipulation. Direct addressing capability up to 65K bytes of memory. Variable length stack accessed by a 16-bit stack pointer. Addresses up to 256 input and 256 output ports. Specifications: Parameter Value Instruction Cycle Time 2µs Clock Period 0.48µs-2µs Memory Addressing 65KB I/O Ports 256 input/256 output Data Bus Width 8bit Address Bus Width 16bit Supply Voltage VCC 5V Supply Voltage VDD 12V Supply Voltage VBB -5V Operating Temperature 0°C-70°C Power Dissipation 1.5W Package Type DIP-40 Pin Configuration: Pin No. Pin Name Type Function / Description 1 A10 Output Address Bus Bit 10 2 GND Power Ground (0V) 3 D4 I/O Data Bus Bit 4 4 D5 I/O Data Bus Bit 5 5 D6 I/O Data Bus Bit 6 6 D7 I/O Data Bus Bit 7 7 D3 I/O Data Bus Bit 3 8 D2 I/O Data Bus Bit 2 9 D1 I/O Data Bus Bit 1 10 D0 I/O Data Bus Bit 0 11 –5V Power –5V Supply (VBB) 12 RESET Input Reset signal (active high); clears PC and disables interrupts 13 HOLD Input Hold request; forces address/data buses to high impedance 14 INT Input Interrupt request 15 φ2 Input Clock Phase 2 16 INTE Output Interrupt Enable status 17 DBIN Output Data Bus In; indicates data bus is in input mode 18 WR Output Write strobe (active low); indicates write operation 19 SYNC Output Synchronizing signal; marks start of machine cycle 20 +5V Power +5V Supply (VCC) 21 HLDA Output Hold Acknowledge; CPU has entered HOLD mode 22 φ1 Input Clock Phase 1 23 READY Input Ready signal; synchronizes CPU with slow memory/I/O 24 WAIT Output Wait; CPU is in WAIT mode 25 A0 Output Address Bus Bit 0 (LSB) 26 A1 Output Address Bus Bit 1 27 A2 Output Address Bus Bit 2 28 A3 Output Address Bus Bit 3 29 A4 Output Address Bus Bit 4 30 A5 Output Address Bus Bit 5 31 A6 Output Address Bus Bit 6 32 A7 Output Address Bus Bit 7 33 A8 Output Address Bus Bit 8 34 A9 Output Address Bus Bit 9 35 A15 Output Address Bus Bit 15 (MSB) 36 A12 Output Address Bus Bit 12 37 A13 Output Address Bus Bit 13 38 A14 Output Address Bus Bit 14 39 A11 Output Address Bus Bit 11 40 A10 Output Address Bus Bit 10 Applications: Central processing unit in microcomputer systems. Embedded control in industrial automation equipment. Data processing in legacy computing and emulation projects. Interface management for memory and peripheral devices. Real-time interrupt handling in instrumentation systems. Package Include: 1x INS8080AN 8-bit Microprocessor IC. Datasheet: INS8080AN

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