Overview
The 74LVC595ABQ,115, produced by Nexperia USA Inc., is an 8-bit serial-in/serial or parallel-out shift register. This device features a storage register and 3-state outputs, making it versatile for various digital circuit applications. It is designed to operate in mixed 3.3 V and 5 V environments, allowing for seamless integration with different voltage level systems. The device is fully specified for partial Power-down applications using IOFF circuitry, which prevents damaging backflow current when the device is powered down.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC (Supply Voltage) | Functional | 1.65 | - | 3.6 | V |
| VI (Input Voltage) | - | 0 | - | 5.5 | V |
| VO (Output Voltage) - 3-state | - | 0 | - | 5.5 | V |
| VO (Output Voltage) - HIGH or LOW state | - | 0 | - | VCC | V |
| ICC (Supply Current) | - | - | - | 100 | mA |
| Tstg (Storage Temperature) | - | -65 | - | 150 | °C |
| Ptot (Total Power Dissipation) | Tamb = 40°C to +125°C | - | - | 500 | mW |
Key Features
- 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs.
- Mixed voltage operation: Compatible with both 3.3 V and 5 V devices.
- IOFF circuitry: Prevents damaging backflow current during partial Power-down applications.
- Separate clocks for shift and storage registers: Data is shifted on the positive-going transitions of the SHCP input, and transferred to the storage register on the positive-going transition of the STCP input.
- Cascading capability: Features a serial input (DS) and a serial output (Q7S) for cascading multiple devices.
Applications
- Digital display drivers: Suitable for driving LED displays, LCD displays, and other digital displays.
- Data transmission systems: Used in serial data transmission and reception systems.
- Microcontroller and microprocessor systems: Can be integrated into various microcontroller and microprocessor-based systems for data processing and storage.
- Automotive and industrial control systems: Applicable in automotive and industrial environments due to its robust specifications and mixed voltage compatibility.
Q & A
- What is the primary function of the 74LVC595ABQ,115?
The primary function is to act as an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs.
- What voltage ranges does the 74LVC595ABQ,115 support?
The device supports a supply voltage range of 1.65 V to 3.6 V and can operate with input voltages up to 5.5 V.
- How does the IOFF circuitry benefit the device?
The IOFF circuitry prevents damaging backflow current through the device when it is powered down, making it suitable for partial Power-down applications.
- Can the 74LVC595ABQ,115 be used in mixed voltage environments?
Yes, it is designed to operate in mixed 3.3 V and 5 V environments.
- What are the clocking requirements for the shift and storage registers?
Data is shifted on the positive-going transitions of the SHCP input, and transferred to the storage register on the positive-going transition of the STCP input.
- What is the maximum total power dissipation for the 74LVC595ABQ,115?
The maximum total power dissipation is 500 mW at an ambient temperature range of 40°C to +125°C.
- What are the storage temperature limits for the device?
The storage temperature range is from -65°C to +150°C.
- Can the 74LVC595ABQ,115 be cascaded with other devices?
Yes, it features a serial input (DS) and a serial output (Q7S) for cascading multiple devices.
- What types of packages are available for the 74LVC595ABQ,115?
The device is available in SO16, TSSOP16, and DHVQFN16 packages.
- What are some common applications for the 74LVC595ABQ,115?
Common applications include digital display drivers, data transmission systems, microcontroller and microprocessor systems, and automotive and industrial control systems.
