Overview
The 74ALVC164245DGGRG4, produced by Texas Instruments, is a 16-bit (dual-octal) noninverting bus transceiver designed for level-shifting between different voltage environments. This device features two separate supply rails, allowing it to operate in mixed 2.5-V, 3.3-V, and 5-V supply environments. It is part of the Texas Instruments Widebus™ Family and is known for its high-performance, low-power, and low-voltage characteristics, making it superior to most advanced CMOS compatible TTL families.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| VCC(A) | 1.5 V to 5.5 V | Voltage supply for A port |
| VCC(B) | 1.5 V to 3.6 V | Voltage supply for B port |
| Logic Switching Levels | CMOS/LVTTL | Type of logic levels supported |
| Output Drive Capability | ±24 mA | Maximum output current drive |
| tpd | 2.9 ns (typical at 3.3 V) | Propagation delay time |
| Number of Bits | 16 | Total number of bits in the transceiver |
| Power Dissipation | Low power | General power dissipation characteristic |
| Tamb | -40°C to 85°C | Operating temperature range |
| Package | TSSOP48 (SOT362-1) | Type of package used |
Key Features
- Member of the Texas Instruments Widebus™ Family
- Maximum propagation delay time (tpd) of 5.8 ns at 3.3 V
- ±24-mA output drive at 3.3 V
- Control inputs VIH/VIL levels are referenced to VCCA voltage
- Latch-up performance exceeds 250 mA per JESD 17
- 3-state outputs for both send and receive directions
- Designed for asynchronous communication between data buses
- High-impedance state during power up or power down ensured by output-enable (OE) input tied to VCC through a pullup resistor
Applications
- Electronic Points of Sale
- Printers and Other Peripherals
- Motor Drives
- Wireless and Telecom Infrastructures
- Wearable Health and Fitness Devices
- Mixed 3 V and 5 V supply environments in various industries such as automotive, industrial, and consumer electronics
Q & A
- What is the primary function of the 74ALVC164245DGGRG4?
The primary function is to act as a 16-bit noninverting bus transceiver for level-shifting between different voltage environments.
- What voltage ranges can the A and B ports operate at?
The A port can operate at 1.5 V to 5.5 V, and the B port can operate at 1.5 V to 3.6 V.
- What is the maximum propagation delay time at 3.3 V?
The maximum propagation delay time (tpd) is 5.8 ns at 3.3 V.
- What is the output drive capability of the device?
The output drive capability is ±24 mA.
- How does the device ensure high-impedance state during power up or power down?
The device ensures high-impedance state by tying the output-enable (OE) input to VCC through a pullup resistor.
- What are some common applications of the 74ALVC164245DGGRG4?
Common applications include electronic points of sale, printers, motor drives, wireless and telecom infrastructures, and wearable health and fitness devices.
- What is the operating temperature range of the device?
The operating temperature range is -40°C to 85°C.
- What type of package is the 74ALVC164245DGGRG4 available in?
The device is available in a TSSOP48 (SOT362-1) package.
- Is the 74ALVC164245DGGRG4 RoHS compliant?
Yes, the device is RoHS compliant.
- Are there any recommended replacements for new designs?
For new designs, the SN74LVC16T245 and SN74LVCH16T245 are recommended as improved versions.
