CD74HC595DWIn StockTexas Instruments
CD74HC595DW is an 8-bit serial-in, parallel-out shift register with 3-state output latches, featuring 25 MHz max clock frequency and 8 mA output drive. Ideal for LED driving, data expansion, and microcontroller I/O. From $0.4674, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC595DW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4674(MOQ 120)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit serial-in, parallel-out shift register with 3-state output enable for bus-friendly designs
- 25 MHz maximum clock frequency enabling high-speed data shifting applications
- 8 mA output sink/source current supporting direct LED and load driving
- Separate shift and storage registers allow data loading without output glitching
- HC/UH family CMOS logic with wide 2V–6V supply voltage range
- Available in 16-pin SOIC (DW) package for compact PCB layouts
Applications
The CD74HC595DW is widely used in LED matrix and 7-segment display driving, where its 3-state outputs and latch function allow multiple devices to share a bus without interference. It is commonly employed in microcontroller I/O expansion projects, enabling an 8-bit parallel output from just 3 control lines (data, clock, latch). Additional applications include serial-to-parallel data conversion in industrial control panels, home automation systems, and consumer electronics where pin count reduction is critical.
Specifications
| YTEOL | 0 |
| Count Direction | RIGHT |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | SERIAL IN PARALLEL OUT |
| Max Frequency@Nom-Sup | 25000000Hz |
| Max I(ol) | 0.0078A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 41ns |
| Propagation Delay (tpd) | 240ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 24MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HC595DW:
8-Bit, Right Direction, True Output, CMOS, PDSO16
Serial In Parallel Out, HC/UH Series, 8-Bit, Right Direction, True Output, CMOS, PDSO16
Serial In Parallel Out, HC Series, 8-Bit, Right Direction, True Output, CMOS, PDSO16
Frequently Asked Questions
What is the maximum clock frequency of the CD74HC595DW?
The CD74HC595DW supports a maximum clock frequency of 25 MHz at nominal supply voltage. This makes it suitable for high-speed serial data shifting applications such as LED multiplexing and fast I/O expansion in embedded systems.
What are the typical applications of the CD74HC595DW?
The CD74HC595DW is commonly used for LED matrix driving, 7-segment display control, microcontroller I/O port expansion, and serial-to-parallel data conversion. Its 3-state outputs and 8-bit latch make it ideal for daisy-chaining multiple devices on a shared data bus in industrial and consumer electronics designs.
What package type is the CD74HC595DW and what are its pin details?
The CD74HC595DW comes in a 16-pin Small Outline Integrated Circuit (SOIC) package, designated by the 'DW' suffix. This surface-mount package is compact and suitable for high-density PCB designs, offering good thermal performance and compatibility with standard pick-and-place assembly.
Can the CD74HC595DW be cascaded with other shift registers?
Yes, the CD74HC595DW features a serial output (Q7S) pin specifically designed for daisy-chaining. Multiple devices can be connected in series, allowing expansion to 16, 24, or more output bits using only 3 microcontroller pins: serial data, clock, and latch.
What is the supply voltage range for the CD74HC595DW?
The CD74HC595DW operates over a supply voltage range of 2V to 6V, consistent with the HC/UH CMOS logic family. This flexibility makes it compatible with both 3.3V and 5V microcontroller systems, simplifying integration in mixed-voltage designs.
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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.
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| 100000+ | $0.4674 | $46740.00 |
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