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

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