Overview
The SN74ALVC164245DLRG4, produced by Texas Instruments, is a 16-bit noninverting bus transceiver designed for level-shifting applications. This component is part of the Texas Instruments Widebus™ Family and is capable of translating signals between different voltage levels, specifically from 2.5 V to 3.3 V or from 3.3 V to 5 V. It features two separate supply rails, VCCA and VCCB, which allow for flexible voltage operation. The transceiver is optimized for asynchronous communication between data buses and includes 3-state outputs to control data flow effectively.
Key Specifications
| Parameter | Condition | Min | Max | Unit |
|---|---|---|---|---|
| VOH (B to A) | IOH = –100 µA, VCCA = 2.3 V to 2.7 V, VCCB = 3 V to 3.6 V | VCCA – 0.2 | V | |
| VOH (B to A) | IOH = –8 mA, VCCA = 2.3 V, VCCB = 3 V to 3.6 V | 1.7 | V | |
| VOH (B to A) | IOH = –12 mA, VCCA = 2.7 V, VCCB = 3 V to 3.6 V | 1.8 | V | |
| VOH (A to B) | IOH = –100 µA, VCCA = 2.3 V to 2.7 V, VCCB = 3 V to 3.6 V | VCCB – 0.2 | V | |
| VOH (A to B) | IOH = –18 mA, VCCA = 2.3 V to 2.7 V, VCCB = 3 V | 2.2 | V | |
| VOL (B to A) | IOL = 100 µA, VCCA = 2.3 V to 2.7 V, VCCB = 3 V to 3.6 V | 0.2 | V | |
| VOL (B to A) | IOL = 12 mA, VCCA = 2.3 V, VCCB = 3 V to 3.6 V | 0.6 | V | |
| VOL (A to B) | IOL = 100 µA, VCCA = 2.3 V to 2.7 V, VCCB = 3 V to 3.6 V | 0.2 | V | |
| VOL (A to B) | IOL = 18 mA, VCCA = 2.3 V, VCCB = 3 V | 0.55 | V | |
| tpd (Propagation Delay) | VCCA = 3.3 V | 5.8 ns | ns | |
| Output Drive | VCCA = 3.3 V | ±24 mA | mA |
Key Features
- Member of the Texas Instruments Widebus™ Family
- Maximum propagation delay (tpd) 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
- 3-state outputs for data flow control
- Two separate supply rails (VCCA and VCCB) for flexible voltage operation
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 SN74ALVC164245DLRG4?
The primary function is to act as a 16-bit noninverting bus transceiver for level-shifting between different voltage levels (2.5 V to 3.3 V or 3.3 V to 5 V). - What are the key voltage ranges for this component?
The component operates with VCCA set to 2.5 V to 3.3 V and VCCB set to 3.3 V to 5 V. - What is the maximum propagation delay at 3.3 V?
The maximum propagation delay is 5.8 ns at 3.3 V. - What is the output drive capability at 3.3 V?
The output drive capability is ±24 mA at 3.3 V. - What are some common applications for this component?
Common applications include electronic points of sale, printers, motor drives, wireless and telecom infrastructures, and wearable health and fitness devices. - How does the component handle power-up or power-down states?
To ensure the high-impedance state during power-up or power-down, the output-enable (OE) input should be tied to VCC through a pullup resistor. - What is the latch-up performance of this component?
The latch-up performance exceeds 250 mA per JESD 17. - What type of outputs does the SN74ALVC164245DLRG4 have?
The component has 3-state outputs. - How many bits does the SN74ALVC164245DLRG4 transceiver handle?
The transceiver handles 16 bits (dual-octal). - What family does this component belong to?
The component belongs to the Texas Instruments Widebus™ Family.
