Overview
The SN74ALVC164245ZRDR, produced by Texas Instruments, is a 16-bit (dual-octal) noninverting bus transceiver designed for level-shifting applications. This device features two separate supply rails, allowing it to operate in mixed 2.5-V, 3.3-V, and 5-V system environments. It is part of the Texas Instruments Widebus™ Family and is optimized for high-speed, low-power operations.
The transceiver enables data transmission between the A bus and the B bus, with direction controlled by the DIR inputs and output enable controlled by the OE inputs. It supports asynchronous communication between data buses and includes 3-state outputs to facilitate high-impedance states during power-up or power-down.
Key Specifications
| Parameter | Condition | Min | Max | Unit |
|---|---|---|---|---|
| VCCA | Operating Voltage | 2.3 | 2.7 | V |
| VCCB | Operating Voltage | 3.0 | 3.6 | V |
| Propagation Delay (tpd) | At 3.3 V | - | 5.8 | ns |
| Output Drive | At 3.3 V | - | ±24 | mA |
| Input Leakage Current | VI = VCCA/VCCB or GND | - | ±5 | µA |
| Output High Voltage (VOH) | IOH = -100 µA | VCCA - 0.2 | - | V |
| Output Low Voltage (VOL) | IOL = 100 µA | 0.2 | - | V |
| Package Types | - | TSSOP (48), SSOP (48), BGA MICROSTAR JUNIOR (54/56) | - | - |
Key Features
- Member of the Texas Instruments Widebus™ Family
- 16-bit (dual-octal) noninverting bus transceiver with 3-state outputs
- Level-shifting capability between 2.5-V, 3.3-V, and 5-V environments
- Maximum propagation delay of 5.8 ns at 3.3 V
- ±24-mA output drive at 3.3 V
- Control inputs VIH/VIL levels referenced to VCCA voltage
- Latch-up performance exceeds 250 mA per JESD 17
- High-impedance state during power-up or power-down with proper OE configuration
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 SN74ALVC164245?
The SN74ALVC164245 is a 16-bit noninverting bus transceiver designed for level-shifting between different voltage environments.
- What are the operating voltage ranges for VCCA and VCCB?
VCCA operates from 2.3 V to 2.7 V, and VCCB operates from 3.0 V to 3.6 V.
- What is the maximum propagation delay at 3.3 V?
The maximum propagation delay at 3.3 V is 5.8 ns.
- How much output drive can the device provide at 3.3 V?
The device can provide ±24-mA output drive at 3.3 V.
- What is the purpose of the DIR and OE inputs?
The DIR inputs control the direction of data flow, and the OE inputs control the output enable, allowing the device to enter a high-impedance state.
- What are the package options available for this device?
The device is available in TSSOP (48), SSOP (48), and BGA MICROSTAR JUNIOR (54/56) packages.
- How does the device handle power-up and power-down states?
The device ensures a high-impedance state during power-up or power-down by tying the OE input to VCC through a pullup resistor.
- What are some common applications for the SN74ALVC164245?
Common applications include electronic points of sale, printers, motor drives, wireless and telecom infrastructures, and wearable health and fitness devices.
- What is the significance of the Widebus™ Family membership?
Membership in the Widebus™ Family indicates that the device is part of a high-performance, low-power CMOS family compatible with advanced TTL families.
- How does the device perform in terms of latch-up?
The device's latch-up performance exceeds 250 mA per JESD 17.
