Overview
The 74HC259D-Q100,118 is an 8-bit addressable latch produced by Nexperia USA Inc. This device is part of the 74HC and 74HCT series and is designed to operate in four distinct modes: addressable latch, memory, 3-to-8 decoding or demultiplexing, and reset. It is particularly useful for applications requiring flexible data storage and retrieval, as well as decoding and demultiplexing functions.
The device is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), making it suitable for use in automotive applications. It operates over a wide supply voltage range from 2.0 V to 6.0 V and is specified for temperatures ranging from -40 °C to +125 °C.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 2.0 | 6.0 | V | ||
| Operating Temperature | -40 | 125 | °C | ||
| Propagation Delay (tpd) | VCC = 2.0 V | 58 | 185 | ns | |
| Propagation Delay (tpd) | VCC = 4.5 V | 21 | 37 | ns | |
| Output High, Low Current | 5.2 | 5.2 | mA | ||
| ESD Protection (HBM) | 2000 | V | |||
| ESD Protection (CDM) | 1000 | V | |||
| Package | 16-SSOP (SOT109-1) |
Key Features
- Combined demultiplexer and 8-bit latch
- Serial-to-parallel capability
- Output from each storage bit available
- Random (addressable) data entry
- Easily expandable
- Common reset input
- Useful as a 3-to-8 active HIGH decoder
- Complies with JEDEC standards
- Input levels: CMOS for 74HC259, TTL for 74HCT259
- ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V
- Multiple package options, including DHVQFN with Side-Wettable Flanks for AOI
Applications
The 74HC259D-Q100,118 is versatile and can be used in a variety of applications across different industries. Some key areas include:
- Automotive: Qualified to AEC-Q100 (Grade 1), it is suitable for automotive systems requiring robust and reliable logic functions.
- Industrial: Used in industrial control systems, automation, and other applications requiring addressable latches and decoding functions.
- Consumer Electronics: Found in consumer devices that need flexible data storage and retrieval capabilities.
- Computing and Power Systems: Used in computing and power management systems where serial-to-parallel conversion and decoding are necessary.
Q & A
- What are the four modes of operation for the 74HC259D-Q100,118?
The device operates in addressable latch, memory, 3-to-8 decoding or demultiplexing, and reset modes.
- What is the supply voltage range for the 74HC259D-Q100,118?
The supply voltage range is from 2.0 V to 6.0 V.
- What are the operating temperature ranges for this device?
The device operates from -40 °C to +125 °C.
- What type of ESD protection does the 74HC259D-Q100,118 offer?
The device offers ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- What package options are available for the 74HC259D-Q100,118?
The device is available in multiple packages, including 16-SSOP (SOT109-1) and DHVQFN with Side-Wettable Flanks.
- Is the 74HC259D-Q100,118 suitable for automotive applications?
Yes, it is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1).
- What is the propagation delay for the 74HC259D-Q100,118 at VCC = 4.5 V?
The propagation delay is typically 21 ns and can be up to 37 ns.
- Can the 74HC259D-Q100,118 be used as a decoder?
Yes, it can be used as a 3-to-8 active HIGH decoder.
- What input levels does the 74HC259D-Q100,118 support?
The device supports CMOS input levels for the 74HC259 and TTL input levels for the 74HCT259.
- Is the 74HC259D-Q100,118 easily expandable?
Yes, the device is designed to be easily expandable.
