CD74HC40103EG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HC40103EG4 is a high-speed CMOS 8-bit synchronous binary down counter with a single-chip design from Texas Instruments. It features programmable countdown from 255 to 0 with terminal count output and supports 2V to 6V supply voltage. Available in a DIP package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC40103EG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit synchronous binary down counter counts from 255 to 0 for precise timing and sequencing control
- Wide supply voltage range of 2V to 6V enables compatibility with both 3.3V and 5V logic systems
- Terminal count output provides an active-low signal at zero count for easy cascading or interrupt generation
- High-speed HC CMOS logic family offers low power consumption with TTL-compatible input thresholds
- DIP through-hole package simplifies prototyping and breadboard integration for development and testing
Applications
The CD74HC40103EG4 is used in timing and sequencing circuits, frequency dividers, and programmable delay generators in embedded and industrial control systems. It is well suited for applications requiring precise event counting, such as CNC controllers, communication protocol timers, and measurement instruments. The HC CMOS logic family and wide supply range make it broadly compatible across 3.3V and 5V digital designs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HC40103EG4:
Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 8-Bit, Down Direction, CMOS, PDIP16
Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 8-Bit, Down Direction, CMOS, PDIP16
Frequently Asked Questions
What is the CD74HC40103EG4 and what does it do?
The CD74HC40103EG4 is an 8-bit synchronous binary down counter that counts downward from 255 to 0, generating a terminal count output when it reaches zero, and is used for timing, sequencing, and frequency division in digital circuits.
What supply voltage does the CD74HC40103EG4 operate on?
The CD74HC40103EG4 operates over a wide supply voltage range of 2V to 6V, making it compatible with both 3.3V and 5V digital systems and allowing use across a wide variety of modern and legacy hardware platforms.
What package is the CD74HC40103EG4 available in?
The CD74HC40103EG4 is available in a DIP (Dual-In-Line) through-hole package, which is ideal for breadboard prototyping, educational projects, and applications where socket mounting is preferred for ease of replacement.
Can the CD74HC40103EG4 be cascaded with other counters?
Yes, the CD74HC40103EG4 includes a terminal count output that goes active-low when the counter reaches zero, making it straightforward to cascade multiple units together to create wider counting ranges or multi-stage timing circuits.
What logic family does the CD74HC40103EG4 belong to?
The CD74HC40103EG4 belongs to the HC (High-speed CMOS) logic family, offering fast switching speeds, low quiescent power consumption, and TTL-compatible input levels suitable for mixed-logic system integration.
Related Guides
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
TL084CN Equivalent and Replacements: JFET-Input Quad Op-Amp Comparison Guide
Compare TL084CN with TL074, LF347, and LM324 quad op-amps. Pin-compatible equivalents, key specs, and when to choose each for your analog design.
May 20, 2026
TPS386000RGPR Quad Voltage Supervisor: Selection and Sourcing Guide (2025)
Compare TPS386000RGPR with TPS386040RGPR, TPS3700, and TPS3823 voltage supervisors. Key specs, threshold programming, watchdog options, and sourcing tips.
May 20, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”