Overview
The TPIC6259DWR, produced by Texas Instruments, is a power logic 8-bit addressable latch designed for general-purpose storage applications in digital systems. This device controls open-drain DMOS transistor outputs and is capable of storing single-line data in eight addressable latches. It features four distinct modes of operation, including addressable-latch, memory, 3-to-8 decoding or demultiplexing, and clear modes. The device is characterized for operation over a wide temperature range of –40°C to 125°C, making it versatile for various environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Logic Supply Voltage, VCC | 4.5 | 5.5 | V | |
| High-Level Input Voltage, VIH | 0.85 VCC | V | ||
| Low-Level Input Voltage, VIL | 0.15 VCC | V | ||
| Pulsed Drain Output Current | -1.8 | 1.5 | A | |
| Static Drain-Source On-State Resistance, rDS(on) | 1.3 | 2 | Ω | |
| Drain-Source Breakdown Voltage, V(BR)DSX | 45 | V | ||
| Operating Case Temperature, TC | -40 | 125 | °C | |
| Thermal Resistance Junction to Ambient, RθJA | 108 | 111 | °C/W |
Key Features
- Eight power DMOS transistor outputs with 250-mA continuous current and 1.5-A pulsed current per output.
- Low rDS(on) of 1.3 Ω typical.
- Avalanche energy of 75 mJ.
- Output clamp voltage at 45 V.
- Four distinct function modes: addressable-latch, memory, 3-to-8 decoding or demultiplexing, and clear modes.
- Low power consumption.
- Separate power and logic level ground pins for maximum system flexibility.
Applications
The TPIC6259DWR is suitable for various digital system applications, including working registers, serial-holding registers, decoders, and demultiplexers. Its versatility and robust design make it ideal for use in industrial, automotive, and other environments where reliable and efficient data storage and control are necessary.
Q & A
- What is the operating temperature range of the TPIC6259DWR?
The TPIC6259DWR operates over a temperature range of –40°C to 125°C. - What are the different modes of operation for the TPIC6259DWR?
The device has four distinct modes: addressable-latch, memory, 3-to-8 decoding or demultiplexing, and clear modes. - What is the maximum pulsed drain output current for the TPIC6259DWR?
The maximum pulsed drain output current is 1.5 A. - What is the typical static drain-source on-state resistance of the TPIC6259DWR?
The typical static drain-source on-state resistance is 1.3 Ω. - What is the drain-source breakdown voltage of the TPIC6259DWR?
The drain-source breakdown voltage is 45 V. - How many power DMOS transistor outputs does the TPIC6259DWR have?
The device has eight power DMOS transistor outputs. - What is the purpose of separate power and logic level ground pins on the TPIC6259DWR?
These pins are provided to facilitate maximum system flexibility and minimize parasitic inductance. - What are some typical applications of the TPIC6259DWR?
Typical applications include working registers, serial-holding registers, decoders, and demultiplexers. - What is the thermal resistance junction to ambient for the TPIC6259DWR?
The thermal resistance junction to ambient (RθJA) is between 108°C/W and 111°C/W depending on the package. - How does the TPIC6259DWR handle input voltage ranges?
The logic input voltage range is from –0.3 V to 7 V.
