74HC595D Shift Register: Pinout, Datasheet, and System Diagram
Toshiba Semiconductor and Storage
Shift Register -40°C~125°C Shift Register 74HC Series 16-SOIC (0.154, 3.90mm Width)









Shift Register -40°C~125°C Shift Register 74HC Series 16-SOIC (0.154, 3.90mm Width)
The 74HC595D is a high speed 8-BIT SHIFT REGISTER/LATCH fabricated with silicon gate C2MOS technology.

Julian's Logic: The 74HC595 Shift Register
74HC595D Description
The 74HC595D is a high speed 8-BIT SHIFT REGISTER/LATCH fabricated with silicon gate C2MOS technology. It achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.
The 74HC595D contains an 8-bit static shift register which feeds an 8-bit storage register. Shift operation is accomplished on the positive going transition of the SCK input. The output register is loaded with the contents of the shift register on the positive going transition of the RCK input. Since RCK and SCK signal are independent, parallel outputs can be held stable during the shift operation. And, since the parallel outputs are 3-state, it can be directly connected to 8-bit bus.
This register can be used in serial-to-parallel conversion, data receivers, etc. All inputs are equipped with protection circuits against static discharge or transient excess voltage.
74HC595D Pinout

74HC595D CAD Model
Symbol

Footprint

3D Model

74HC595D Features
High speed: fMAX = 55 MHz (typ.) at VCC = 5 V
Low power dissipation: ICC = 4.0 µA (max) at Ta = 25
Balanced propagation delays: tPLH ≈ tPHL
Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V
Specifications
- TypeParameter
- Factory Lead Time12 Weeks
- Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
16-SOIC (0.154, 3.90mm Width) - Number of Elements1
- Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~125°C - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Cut Tape (CT) - Series
In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.
74HC - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
2V~6V - Function
The parameter "Function" in electronic components refers to the specific role or purpose that the component serves within an electronic circuit. It defines how the component interacts with other elements, influences the flow of electrical signals, and contributes to the overall behavior of the system. Functions can include amplification, signal processing, switching, filtering, and energy storage, among others. Understanding the function of each component is essential for designing effective and efficient electronic systems.
Serial to Parallel - Output Type
The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.
Tri-State - Logic Type
Logic Type in electronic components refers to the classification of circuits based on the logical operations they perform. It includes types such as AND, OR, NOT, NAND, NOR, XOR, and XNOR, each defining the relationship between binary inputs and outputs. The logic type determines how the inputs affect the output state based on specific rules of Boolean algebra. This classification is crucial for designing digital circuits and systems, enabling engineers to select appropriate components for desired functionalities.
Shift Register - Number of Bits per Element8
- RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
RoHS Compliant
74HC595D IEC Logic Symbol

74HC595D System Diagram

74HC595D Alternatives

Where to use 74HC595D
The 74HC595D can be used in various applications, especially in LED Boards. It is often used in projects where relatively a large number of LEDs has to be controlled through the Microcontroller. It can also be used to interface LCD screen since they can acts as the data bit for the LCD displays. It is also capable of controlling 5V loads like relays through a 3.3V microcontroller since the high-level voltage is only 3.15.
74HC595D Applications
Serial-to-parallel data conversion
Remote control holding register
74HC595D Dimensions

74HC595D Manufacturer
Toshiba Semiconductor & Storage offers a broad range of enabling technology solutions that allow OEMs, ODMs, CMs and fabless chip companies to develop advanced integrated products for the computing, networking, communications, digital consumer, automotive and other markets.
Trend Analysis
Datasheet PDF
- Datasheets :
1.What is 74HC595D?
The 74HC595D is an 8 stage serial shift register with a storage register and 3 state outputs. The registers have separate clocks. Data is shifted on the positive going transitions of the shift register clock input (SHCP). Data in the storage register appears at the output whenever the output enable input (OE) is LOW.
2.How does the 74HC595 work?
The 74HC595 is a shift register which works on Serial IN Parallel OUT protocol. It receives data serially from the microcontroller and then sends out this data through parallel pins. We can increase our output pins by 8 using the single chip. We can also connect more than 1 shift register in parallel.
3.What’s the difference between 74HC595 and 74HC595D?
SN are TI parts. 74HC595 is the generic name. A suffix like D usually indicates a particular packaging or different temperature ranges. In that case it justs means SOIC package.
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