Overview
The 74HC259D,652 is an 8-bit addressable latch produced by Nexperia USA Inc. This integrated circuit is part of the 74HC/74HCT family and is designed to operate in various modes, making it versatile for different applications. Although the specific part number 74HC259D,652 is listed as withdrawn or end-of-life, the device's functionality and specifications remain relevant for understanding its capabilities.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74HC259D | 2.0 - 6.0 | CMOS | ± 5.2 | 18 | low | -40 ~ 125 | 88 | 7.7 | 47 | SO16 (SOT109-1) |
Key Features
- Four modes of operation: Addressable latch, memory, 3-to-8 decoding or demultiplexing, and reset modes.
- Wide supply voltage range: From 2.0 V to 6.0 V.
- Low power dissipation: Suitable for energy-efficient designs.
- High latch-up performance: Exceeds 100 mA per JESD 78 Class II Level B.
- Compliance with JEDEC standards: Ensures reliability and compatibility.
- Input clamp diodes: Allows the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Applications
The 74HC259D is suitable for a wide range of applications across various industries, including:
- Automotive: For control and data processing in automotive systems.
- Industrial: In industrial control systems, automation, and data acquisition.
- Consumer electronics: For use in consumer devices requiring data storage and retrieval.
- Computing and mobile devices: In memory and data handling circuits.
- Wearables and IoT devices: Due to its low power consumption and compact package.
Q & A
- What is the primary function of the 74HC259D?
The primary function of the 74HC259D is to act as an 8-bit addressable latch, allowing data to be written into specific latches based on address inputs.
- What are the different modes of operation for the 74HC259D?
The device operates in four modes: addressable latch, memory, 3-to-8 decoding or demultiplexing, and reset modes.
- What is the supply voltage range for the 74HC259D?
The supply voltage range is from 2.0 V to 6.0 V.
- What is the output drive capability of the 74HC259D?
The output drive capability is ± 5.2 mA.
- What is the propagation delay (tpd) of the 74HC259D?
The propagation delay is 18 ns.
- Is the 74HC259D compliant with any industry standards?
Yes, it complies with JEDEC standards and has high latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- What package types are available for the 74HC259D?
The device is available in SO16 (SOT109-1), TSSOP16, and DHVQFN16 packages.
- Why is the 74HC259D,652 listed as withdrawn or end-of-life?
The specific part number 74HC259D,652 is no longer manufactured, but its specifications and functionality remain relevant for understanding the capabilities of the 74HC259 series.
- What are some common applications for the 74HC259D?
It is used in automotive, industrial, consumer electronics, computing, and wearables/IoT devices.
- Does the 74HC259D have any special features for input protection?
Yes, it includes input clamp diodes, allowing the use of current limiting resistors to interface inputs to voltages in excess of VCC.
