LM6416E NMOS 4-Bit Single-Chip Microcomputer 5V IC DIP-28

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LM6416E NMOS 4-Bit Single-Chip Microcomputer 5V IC DIP-28 The LM6416E is a member of the LM6413/6416/6417 family of NMOS single-chip microcomputers designed for consumer and embedded control applications. It integrates a high-speed 4-bit CPU core, on-chip program memory, RAM, programmable timer, clock generator, interrupt circuitry, and multiple I/O ports into a single compact package. This high level of integration reduces component count and simplifies system design for cost-sensitive products. The device features a 65-instruction architecture with support for subroutine nesting, programmable timers, automatic page stepping, and pseudo-interrupt functions. With direct interfacing capability to 12V equipment and high-voltage tolerant I/O pins, the LM6416E is ideal for appliance controllers, consumer products, industrial control systems, and other dedicated embedded applications requiring reliable and economical processing capability. Features Single-chip 4-bit microcomputer. High-speed 4-bit parallel processing CPU. Integrated program memory and RAM. Programmable timer. Multiple general-purpose I/O ports. Direct interface capability with 12V systems. High-voltage tolerant I/O pins. CMOS/TTL compatible inputs and outputs. On-chip clock generator. External ceramic resonator support. External RC oscillator support. Internal and external interrupt capability. Pseudo-interrupt function. Two-level subroutine nesting. Automatic page stepping. Compact single-chip architecture. Low component count system design. Suitable for consumer control applications. Logic replacement capability. Designed for low-cost embedded systems. Specifications Parameter Details Product Type NMOS 4-Bit Single-Chip Microcomputer Part Number LM6416E Device Type 4-Bit Single-Chip Microcomputer Technology NMOS CPU Architecture 4-Bit NMOS Program ROM 1K × 8Bytes Data RAM 64 × 4Bits Instruction Set 65 Instructions Number of I/O Pins 21 Interrupts 1 Internal, 1 External Pseudo-Interrupt Timer Channels 1 Cycle Time 4.0µs Supply Voltage 4.5V~6.5V Typical Operating Voltage 5V I/O Withstand Voltage 15V Output Drive Current 20mA Serial I/O Not Available Oscillator Type RC Oscillator Package Type DIP-28S Mounting Type Through Hole Pin Configuration Pin Number Pin Name Function / Description 1 PA0 Port A bit 0 general-purpose I/O. 2 PA1 Port A bit 1 general-purpose I/O. 3 PA2 Port A bit 2 general-purpose I/O. 4 PA3 Port A bit 3 general-purpose I/O. 5 PC0 Port C bit 0 general-purpose I/O. 6 PC1 Port C bit 1 general-purpose I/O. 7 PC2 Port C bit 2 general-purpose I/O. 8 PC3 Port C bit 3 general-purpose I/O. 9 PD0 Port D bit 0 general-purpose I/O. 10 PD1 Port D bit 1 general-purpose I/O. 11 PD2 Port D bit 2 general-purpose I/O. 12 PD3 Port D bit 3 general-purpose I/O. 13 PE0 Port E bit 0 general-purpose I/O. 14 PE1 Port E bit 1 general-purpose I/O. 15 NC No Connection 16 PE2 Port E bit 2 general-purpose I/O. 17 PE3 Port E bit 3 general-purpose I/O. 18 PF0 Port F bit 0 general-purpose I/O. 19 PF1 Port F bit 1 general-purpose I/O. 20 PF2 Port F bit 2 general-purpose I/O. 21 PF3 Port F bit 3 general-purpose I/O. 22 PG0 Port G bit 0 general-purpose I/O. 23 INT External interrupt input. 24 RES Reset input. 25 XTAL / OSC1 Crystal oscillator input. 26 EXTAL / OSC2 Crystal oscillator output or external clock input. 27 VSS Ground (0V). 28 VDD +5V power supply. Connection Block Diagram Applications Consumer electronic control systems. Home appliance controllers. Electronic timer circuits. Digital control applications. Industrial control equipment. Embedded control systems. Small automation projects. Keyboard and switch interface circuits. LED display control systems. Digital counter applications. Programmable logic control circuits. Security and alarm control systems. Measurement and monitoring equipment. Educational microcontroller development. Legacy embedded system maintenance. OEM electronic products using 4-bit microcontrollers. Package Contents 1 x LM6416E NMOS 4-Bit Single-Chip Microcomputer 5V IC DIP-28 Datasheet LM6416E