• 8-bit AVR core running at up to 20MHz
• 4KB Flash memory, 256B EEPROM, and 256B SRAM
• 6 I/O pins with multiple functions
• Integrated 4-channel 10-bit ADC for precise analog readings

• Hex Inverter IC with six inverters
• Maximum Current Output: 8mA per gate
• Supply Voltage Range: 4.75V to 5.25V
• Maximum Supply Voltage: 7V

Discover the MCP23017, a versatile 16-bit parallel I/O port expander designed for I2C bus applications in Bangladesh. With two 8-bit ports (PORTA and PORTB) and high-speed I2C™ interfaces up to 1.7MHz, this device supports bidirectional I/O operations and can accommodate up to eight devices on the bus.

• Logic type: AND/OR Gate with 4 circuits
• Dual input channels per circuit
• Wide voltage supply range: 3V to 18V
• Output current: High/Low at 6.8mA

74LS14 Schmitt Trigger Inverter

The 74LS14 Schmitt Trigger Inverter IC is a must-have for any electronics enthusiast or professional. Designed with high noise immunity and improved line-receiving characteristics, this IC ensures reliable performance even in challenging environments. Key features include:

• Base Number: 7414
• Supply Voltage: 4.75 to 5.25V
• Propagation Delay: 15ns
• Package Type: 14-DIP
• Operating Temperature: 0°C to +70°C
• Operation from very slow edges
• High noise immunity

MCP23S17 16-Bit I/O Expander with SPI Interface

The MCP23S17 is a versatile 16-bit input/output port expander, featuring an SPI interface and interrupt output capabilities. It is perfect for expanding GPIO on microcontrollers and processors. Key features include:

• 16-bit input/output port expander with interrupt output
• Cascadable for up to 8 devices on one bus
• 25mA sink/source capability per I/O
• Supports up to 10MHz SPI clock speeds

Enhance your digital circuits with the CD4040 12-Bit Binary Counter. Key features include:

• Medium-speed operation with ripple-carry binary counting
• Master-slave flip-flops for reliable counting
• Buffered inputs and outputs for stable performance
• Schmitt trigger action on input-pulse line for unlimited rise and fall times
• Common reset to all zeros state
• Available in various 16-lead packages for versatile applications

Perfect for control counters, timers, frequency dividers, and time-delay circuits.

LM311 Voltage Comparator

The LM311 is a versatile voltage comparator with low input currents, designed for a wide range of supply voltages. Key features include:

• Low input currents
• Operates over a wide range of supply voltages
• Compatible with ±15V operational amplifier supplies
• Single +5V supply for IC logic

The SOLID STATE KBPC3510 Bridge Rectifier Diode offers high performance for power supply circuits. Key features include:

• No. of Phases: Single
• Repetitive Reverse Voltage Vrrm Max: 1kV
• Forward Current If (AV): 35A
• Bridge Rectifier Case Style: Module
• No. of Pins: 4Pins
• Operating Temperature Max: 125°C
• Packaging: Each

Key Features:

• Provides up to 1A output current
• Operates down to 1V input-to-output differential
• Maximum dropout voltage: 1.3V
• On-chip trimming adjusts reference voltage to 1.5%
• Current limit minimizes stress under overload conditions
• Pin compatible with other three-terminal SCSI regulators
• Available in SOT-223, 8L SOIC, and TO-252 (DPAK) packages

The NE/SE 556 IC is a versatile phase-locked loop (PLL) integrated circuit that operates over a frequency range of 0.1 Hz to 500 kHz. Known for its highly stable center frequency, this IC achieves very linear FM detection. The VCO output produces TTL-compatible square waves, making it suitable for a variety of applications. The dual supply ranges from ±6V to ±12V, and it can also be operated from a single supply of 12V to 24V.

Key Features:

• Frequency range: 0.1 Hz to 500 kHz
• Highly stable center frequency
• Linear FM detection
• TTL-compatible square wave output from VCO
• Dual supply range: ±6V to ±12V
• Single supply range: 12V to 24V

• Dual Conversion Capability: Converts BCD to Binary and Binary to BCD.
• Fast Processing: High-speed operation for efficient data conversion.
• TTL Compatible: Works seamlessly with TTL logic circuits.
• Compact and Reliable: Available in DIP-16 package for easy integration.

The TDA7294 Amplifier IC is a versatile and high-performance DMOS power stage amplifier, capable of delivering up to 100W of music power. Key features include a very high operating voltage range, efficient muting/stand-by functions, and low noise and distortion, making it an ideal choice for audio enthusiasts. Highlights:

• High output power (up to 100W music power)
• Muting/stand-by functions
• No switch on/off noise
• Very low distortion and noise
• Short circuit protection
• Thermal shutdown

The LM556 Dual Timer IC is a versatile component designed for precise timing applications. It combines two 555 timers in one package, offering flexibility and efficiency. Key features include:

• Timing from microseconds through hours
• Operates in both astable and monostable modes
• Replaces two 555 timers
• Adjustable duty cycle
• Output and supply TTL compatible
• Normally on and normally off output

• RoHS compliant
• Step-down voltage regulator
• Wide input voltage range (5V~32V)

• Single-supply operation: 2.7V to 5.5V
• Rail-to-rail output
• Input range includes ground
• Gain bandwidth product: 2.8 MHz (typical)