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74HCT259D,653 Breakout
8-BIT ADDRESSABLE LATCH 3-TO-8 DECODER SO16
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Design a Custom BoardAbout This Component
The 74HCT259 is an 8-bit addressable latch with integrated 3-to-8 decoder functionality. It supports four operating modes: addressable latch mode for random data entry, memory mode for retention, demultiplexing mode, and reset mode. Ideal for serial-to-parallel conversion, address decoding, and data selection applications in systems requiring 2.0V to 6.0V operation.
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 | 74HCT259D,653 |
| Package | SOIC-16 (3.9×9.9mm) |
| Pin Count | 16 |
| Circuit | 1:8 |
| Logic Type | D-Type, Addressable |
| Output Type | Standard |
| Voltage - Supply | 4.5V ~ 5.5V |
What's Included
BILL OF MATERIALS
- 1x 74HCT259D,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