Overview
The 74ALVC164245DGGTE4, produced by Texas Instruments, is a high-performance, low-power, low-voltage, Si-gate CMOS device. It is a 16-bit (dual octal) dual supply translating transceiver with non-inverting 3-state bus compatible outputs in both send and receive directions. This device is designed to interface between a 3 V and 5 V bus in a mixed 3 V and 5 V supply environment, making it ideal for asynchronous communication between data buses.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC(A) Supply Voltage | - | -0.5 | - | 4.6 | V |
| VCC(B) Supply Voltage | - | -0.5 | - | 6.0 | V |
| Input Voltage (VIH/VIL) | VCCA = 2.3 V to 2.7 V | 0.7 | - | 0.7 | V |
| Output Drive (IOH/IOL) | VCCA = 3.3 V, IOH = -12 mA | 1.7 | - | - | V |
| Propagation Delay (tpd) | VCCA = 3.3 V | - | 5.8 | - | ns |
| Operating Temperature | - | -40 | - | 85 | °C |
Key Features
- 16-bit (dual octal) dual supply translating transceiver with non-inverting 3-state bus compatible outputs.
- Designed for asynchronous communication between data buses in mixed 3 V and 5 V supply environments.
- Control inputs (DIR and OE) are powered by VCCA, ensuring high-impedance state during power up or power down.
- Maximum propagation delay of 5.8 ns at 3.3 V.
- ±24-mA output drive at 3.3 V.
- Latch-up performance exceeds 250 mA per JESD 17.
- Member of the Texas Instruments Widebus™ Family.
Applications
- Electronic Points of Sale
- Printers and Other Peripherals
- Motor Drives
- Wireless and Telecom Infrastructures
- Wearable Health and Fitness Devices
Q & A
- What is the primary function of the 74ALVC164245DGGTE4?
The primary function is to act as a 16-bit dual supply translating transceiver, enabling communication between 3 V and 5 V buses.
- What are the supply voltage ranges for VCC(A) and VCC(B)?
VCC(A) ranges from 2.3 V to 4.6 V, and VCC(B) ranges from 2.3 V to 6.0 V.
- What is the maximum propagation delay at 3.3 V?
The maximum propagation delay is 5.8 ns at 3.3 V.
- How much output drive does the device provide at 3.3 V?
The device provides ±24-mA output drive at 3.3 V.
- What is the operating temperature range for this device?
The operating temperature range is from -40°C to 85°C.
- How should the output-enable (OE) input be managed during power up or power down?
The output-enable (OE) input should be tied to VCC through a pullup resistor to ensure the high-impedance state.
- What are some common applications for the 74ALVC164245DGGTE4?
Common applications include electronic points of sale, printers, motor drives, wireless and telecom infrastructures, and wearable health and fitness devices.
- Is the device part of any specific family or series?
Yes, it is a member of the Texas Instruments Widebus™ Family.
- What is the latch-up performance of the device?
The latch-up performance exceeds 250 mA per JESD 17.
- How can the device be used in terms of data flow direction?
The device can be used as two 8-bit transceivers or one 16-bit transceiver, with the direction controlled by the DIR inputs.
