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HEF4518BT,653 Breakout
IC BCD COUNTER DUAL 4-BIT 16SO
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Design a Custom BoardAbout This Component
Dual 4-bit internally synchronous BCD counter in 16-SO package. Features dual clock inputs (CP0/CP1) with flexible clocking options, asynchronous master reset, and buffered outputs for all four bit positions. Operates from 3.0V to 15.0V with CMOS low power dissipation, Schmitt-trigger clock inputs for noise tolerance, and full ESD protection. Ideal for multistage counting, frequency division, and digital frequency divider applications.
Package: SOIC-16 (3.9×9.9mm) · 16 pins
Why does this need a breakout?
The 1.27mm pin pitch on this 16-pin package makes hand-soldering impractical and breadboard mounting impossible. A breakout board brings the pins to standard 2.54mm spacing, enabling quick prototyping of RS-232/RS-485 transceivers, ADCs, and line drivers without requiring surface-mount soldering skills or PCB fabrication.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Nexperia USA Inc. |
| Part Number | HEF4518BT,653 |
| Package | SOIC-16 (3.9×9.9mm) |
| Pin Count | 16 |
| Logic Type | BCD Counter |
| Number of Bits per Element | 4 |
| Number of Elements | 2 |
| Reset | Asynchronous |
| Voltage - Supply | 4.5 V ~ 15.5 V |
What's Included
BILL OF MATERIALS
- 1x HEF4518BT,653 soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL