The SMD SN74HC245 is an octal bus transceiver IC in SOP-20 (SOIC-20) surface-mount package, designed for bidirectional bus interfacing and level shifting applications in Pakistan. This CMOS logic integrated circuit contains eight bidirectional buffers with 3-state outputs, providing reliable data transfer between buses operating at different voltage levels for microcontroller interfacing, data communication, and digital systems. The SMD package enables compact PCB layouts and automated assembly for professional electronics manufacturing and prototyping.

Key Features

• Octal bidirectional bus transceiver with eight independent buffers in one IC
• SOP-20 (SOIC-20) surface-mount package for compact PCB design and automated assembly
• 3-state outputs enable multiple devices to share common bus lines
• Bidirectional data flow controlled by direction pin for flexible bus communication
• CMOS technology offers low power consumption and wide voltage range operation
• Wide operating voltage range 2V to 6V suitable for 3.3V and 5V logic systems
• High output drive capability for driving multiple loads and long bus lines
• Industry-standard pinout compatible with 74HC245 and 74245 logic families
• RoHS compliant and suitable for lead-free soldering processes

Applications & Use Cases

• Microcontroller and microprocessor bus interfacing in Pakistan
• Bidirectional data transfer between 3.3V and 5V systems
• Level shifting and voltage translation circuits
• Multi-master bus systems and shared data buses
• I/O port expansion and signal distribution
• Memory bus buffering and address/data bus isolation
• Educational electronics and digital logic learning projects
• Industrial control systems and communication interfaces

Technical Specifications

• Part Number: SN74HC245 (Texas Instruments)
• Function: Octal Bidirectional Bus Transceiver with 3-State Outputs
• Number of Channels: 8 bidirectional buffers
• Output Type: 3-state (high, low, high-impedance)
• Direction Control: Single direction pin controls data flow direction
• Enable Control: Active-low output enable for bus control
• Logic Family: CMOS (74HC series - High-speed CMOS)
• Package: SOP-20 / SOIC-20 (Surface Mount)
• Supply Voltage: 2V to 6V DC (3.3V and 5V compatible)
• Input Logic Levels: CMOS compatible (VIH ≥70% VCC, VIL ≤30% VCC)
• Output Logic Levels: CMOS compatible (VOH ≥VCC-0.1V, VOL ≤0.1V)
• Output Drive: ±6mA at 5V
• Propagation Delay: Typical 8ns at 5V
• Operating Temperature: -40°C to +85°C (industrial grade)
• Pin Count: 20 pins
• Mounting: Surface mount (SMD/SMT)
• Weight: Approx. 0.4g

Why Buy from Digilog.pk?

We provide authentic SN74HC245 and 74HC series bus transceiver ICs in Pakistan at competitive prices. Fast delivery to Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, and across Pakistan with technical support for your digital interfacing and bus transceiver projects.