SN74LVCZ245AN

Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translation, low power consumption, high-speed operation
• Package: 20-pin DIP (Dual In-line Package)
• Essence: Transfers data between different voltage domains in electronic systems
• Packaging/Quantity: Available in tubes or reels, quantity varies depending on supplier

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Input/Output Type: Tri-state

Pin Configuration

The SN74LVCZ245AN has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. VCC (Supply Voltage)
8. DIR (Direction Control)
9. OE (Output Enable) 2
10. B3 (Data Input/Output) 3
11. A3 (Data Input/Output) 3
12. B4 (Data Input/Output) 4
13. A4 (Data Input/Output) 4
14. B5 (Data Input/Output) 5
15. A5 (Data Input/Output) 5
16. B6 (Data Input/Output) 6
17. A6 (Data Input/Output) 6
18. B7 (Data Input/Output) 7
19. A7 (Data Input/Output) 7
20. VCC (Supply Voltage)

Functional Features

• Bi-directional voltage level translation between two voltage domains
• Allows communication between devices operating at different voltage levels
• Tri-state outputs for bus sharing and isolation
• Supports bidirectional data flow

Advantages

• Low power consumption
• High-speed operation
• Wide supply voltage range allows compatibility with various systems
• Easy to use and integrate into electronic designs
• Provides reliable level shifting for data transmission

Disadvantages

• Limited number of channels (8 in this case)
• Not suitable for applications requiring a higher number of channels
• May not be compatible with certain voltage levels outside the specified range

Working Principles

The SN74LVCZ245AN is designed to facilitate communication between electronic devices operating at different voltage levels. It acts as a level shifter and bus transceiver, ensuring that data can be transferred accurately and reliably.

The device operates by receiving data from one voltage domain and translating it to the appropriate voltage level for the target domain. It supports bidirectional data flow, allowing data to be transmitted in both directions.

The direction of data flow is controlled by the DIR pin. When DIR is set to a specific logic level, the data is transferred from the corresponding input/output pins to the opposite side.

The OE (Output Enable) pins are used to enable or disable the outputs. When the OE pin is high, the outputs are enabled, allowing data to be transmitted. When the OE pin is low, the outputs are disabled, effectively isolating the device from the bus.

Detailed Application Field Plans

The SN74LVCZ245AN is commonly used in various applications where voltage level translation and bus transceiver functionality are required. Some of the typical application fields include:

1. Microcontroller interfacing: The IC enables communication between microcontrollers operating at different voltage levels, allowing them to exchange data seamlessly.

2. Communication systems: It is used in communication systems to interface devices with different voltage requirements, such as UART, SPI, or I2C interfaces.

3. Industrial automation: The device facilitates communication between different modules and subsystems in industrial automation systems, ensuring compatibility and reliable data transfer.

4. Automotive electronics: It finds applications in automotive electronics, where it enables communication between various components operating at different voltage levels, such as sensors, actuators, and control units.

Detailed and Complete Alternative Models

• SN74LVCZ244A: Similar functionality but with 3-state outputs instead of tri-state.
• SN74LVCZ245B: Improved version with higher maximum operating frequency (up to 200MHz).
• SN74LVCZ245APW: Surface mount package variant for space-constrained designs.

These alternative models offer similar voltage level translation and bus transceiver capabilities, providing options based on specific design requirements.

In conclusion, the SN74LVCZ245AN is an integrated circuit that