Overview
The 74HCT259DB,112 is an 8-bit addressable latch produced by Nexperia USA Inc. This device is part of the 74HCT series, which operates with TTL (Transistor-Transistor Logic) input levels. It features four modes of operation: addressable latch, memory, 3-to-8 decoding or demultiplexing, and reset. This versatility makes it suitable for a wide range of digital logic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC (Supply Voltage) | 4.5 - 5.5 | V |
| Logic Switching Levels | TTL | - |
| Output Drive Capability | ± 4 | mA |
| tpd (Propagation Delay) | 20 | ns |
| Operating Temperature | -40 ~ 125 | °C |
| Package Type | 16-SSOP (0.209", 5.30mm Width) | - |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V | - |
Key Features
- Wide supply voltage range from 4.5 V to 5.5 V
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V)
- Combined demultiplexer and 8-bit latch functionality
- 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
- Multiple package options
- ESD protection: HBM and CDM compliant
Applications
The 74HCT259DB,112 is suitable for various digital logic applications, including:
- Digital circuits requiring addressable latches
- Demultiplexing and decoding applications
- Memory and data storage systems
- Automotive electronics (fully qualified to AEC-Q100/Q101 standard)
- Industrial control systems
- Communication systems
Q & A
- What is the supply voltage range for the 74HCT259DB,112?
The supply voltage range is from 4.5 V to 5.5 V.
- What are the different modes of operation for this device?
The device operates in four modes: addressable latch, memory, 3-to-8 decoding or demultiplexing, and reset.
- What is the propagation delay for the 74HCT259DB,112?
The propagation delay is 20 ns.
- What type of logic switching levels does the 74HCT259DB,112 use?
The device uses TTL (Transistor-Transistor Logic) input levels.
- What is the operating temperature range for this device?
The operating temperature range is from -40°C to 125°C.
- What package type is the 74HCT259DB,112 available in?
The device is available in a 16-SSOP package.
- Does the 74HCT259DB,112 have ESD protection?
Yes, it has ESD protection compliant with HBM and CDM standards.
- Can the 74HCT259DB,112 be used as a decoder?
Yes, it can be used as a 3-to-8 active HIGH decoder.
- Is the 74HCT259DB,112 suitable for automotive applications?
Yes, it is fully qualified to the AEC-Q100/Q101 standard for automotive use.
- What are some common applications for the 74HCT259DB,112?
Common applications include digital circuits, demultiplexing, memory systems, automotive electronics, and industrial control systems.
