SN74AVC4T245PWRG4

Overview

Product Category: Integrated Circuit (IC)

Use: Level Shifter and Voltage Translator

Characteristics: - Bidirectional voltage translation between different logic levels - Supports 1.2V to 3.6V on the A Port and 1.65V to 5.5V on the B Port - 4-bit wide with 3-state outputs - High-speed operation, suitable for various applications - Low power consumption - ESD protection exceeds 2000V HBM per JESD22-A114 and 1000V CDM per JESD22-C101

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74AVC4T245PWRG4 is a level shifter and voltage translator IC that allows bidirectional voltage translation between different logic levels.

Packaging/Quantity: Available in reels of 2500 pieces.

Specifications

• Supply Voltage Range (VCCA): 1.2V to 3.6V
• Supply Voltage Range (VCCB): 1.65V to 5.5V
• Input Voltage Range (VI): GND to VCCA or GND to VCCB
• Output Voltage Range (VO): GND to VCCA or GND to VCCB
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance (CI): 3 pF (typical)
• Output Capacitance (CO): 3 pF (typical)
• Propagation Delay (tpd): 3.8 ns (typical)
• Rise/Fall Time (tr/tf): 0.9 ns (typical)

Pin Configuration

The SN74AVC4T245PWRG4 has a total of 16 pins, which are assigned as follows:

1. OE (Output Enable) - Output Enable Input
2. A1 - Data Input/Output for Port A
3. A2 - Data Input/Output for Port A
4. GND - Ground
5. A3 - Data Input/Output for Port A
6. A4 - Data Input/Output for Port A
7. VCCA - Supply Voltage for Port A
8. B1 - Data Input/Output for Port B
9. B2 - Data Input/Output for Port B
10. B3 - Data Input/Output for Port B
11. B4 - Data Input/Output for Port B
12. VCCB - Supply Voltage for Port B
13. DIR - Direction Control Input
14. NC - No Connection
15. GND - Ground
16. VCC - Positive Power Supply

Functional Features

• Bidirectional voltage translation between different logic levels
• Automatic direction control based on the DIR input
• 3-state outputs allow multiple devices to share the same bus
• Supports mixed-mode signal operation on all ports
• Low power consumption and high-speed operation

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels - Wide supply voltage range allows compatibility with various systems - ESD protection ensures robustness against electrostatic discharge - Small package size saves board space - Low power consumption makes it suitable for battery-powered applications

Disadvantages: - Limited number of data lines (4-bit wide) - Not suitable for applications requiring higher data bandwidth

Working Principles

The SN74AVC4T245PWRG4 operates by using a combination of level shifting and voltage translation techniques. It takes input signals from one logic level (Port A) and translates them to another logic level (Port B), or vice versa. The direction of translation is controlled by the DIR input. The IC ensures bidirectional communication between devices operating at different voltage levels while maintaining signal integrity.

Detailed Application Field Plans

The SN74AVC4T245PWRG4 can be used in various applications, including but not limited to: - Communication systems - Industrial automation - Consumer electronics - Automotive electronics - Medical devices - IoT (Internet of Things) devices

Alternative Models

Some alternative models that provide similar functionality to the SN74AVC4T245PWRG4 are: - TXB0104PWR: 4-bit Bidirectional Voltage-Level Translator - PCA9306DCUR: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator - SN74LVC4245APW: Octal Bus Transceiver with 3-State Outputs

These alternative models can be considered based on specific requirements and application needs.

Word count: 530 words