SN74LVCH8T245DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, 8-bit bidirectional transceiver
• Package: SSOP (Shrink Small Outline Package)
• Essence: Transfers data between different voltage domains in a system
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Data Rate: 400Mbps
• Number of Channels: 8
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH8T245DBR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Direction Control) 1
3. I/O1 (Bidirectional Data I/O) 1
4. GND (Ground)
5. I/O2 (Bidirectional Data I/O) 2
6. A2 (Data Direction Control) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bidirectional Data I/O) 3
10. A3 (Data Direction Control) 3
11. I/O4 (Bidirectional Data I/O) 4
12. I/O5 (Bidirectional Data I/O) 5
13. A4 (Data Direction Control) 4
14. I/O6 (Bidirectional Data I/O) 6
15. I/O7 (Bidirectional Data I/O) 7
16. A5 (Data Direction Control) 5
17. I/O8 (Bidirectional Data I/O) 8
18. VCC (Supply Voltage)
19. GND (Ground)
20. OE (Output Enable) 3

Functional Features

• Bidirectional voltage level shifting between two voltage domains
• Allows communication between devices operating at different voltage levels
• Supports both push-pull and open-drain output configurations
• High-speed data transfer with minimal propagation delay
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages: - Enables seamless integration of components with different voltage requirements - Provides bidirectional data transfer capability - Supports high-speed data transmission - Low power consumption - Compact package size

Disadvantages: - Limited to 8-bit data width - Requires careful consideration of voltage compatibility between systems

Working Principles

The SN74LVCH8T245DBR is a bidirectional level shifter and bus transceiver. It allows for the translation of signals between two voltage domains, enabling communication between devices operating at different voltage levels. The device uses a combination of voltage level shifters and transceivers to ensure proper signal transfer.

When the OE (Output Enable) pin is low, the device is enabled, and data can be transferred bidirectionally between the input/output pins. The A pins control the direction of data flow for each channel. When A is low, data flows from the B side to the A side, and when A is high, data flows from the A side to the B side.

The SN74LVCH8T245DBR operates within a specified supply voltage range and provides reliable data transfer with minimal delay.

Detailed Application Field Plans

The SN74LVCH8T245DBR is commonly used in various applications where voltage level shifting and bidirectional data transfer are required. Some of the application fields include:

1. Communication Systems: Enables data transfer between devices operating at different voltage levels in communication systems such as routers, switches, and network interfaces.
2. Industrial Automation: Facilitates communication between sensors, actuators, and control systems with varying voltage requirements.
3. Automotive Electronics: Allows integration of components with different voltage levels in automotive systems, including infotainment systems, engine control units, and body control modules.
4. Consumer Electronics: Used in devices like smartphones, tablets, and gaming consoles to enable communication between different subsystems operating at different voltages.
5. Internet of Things (IoT): Supports voltage level translation in IoT devices, enabling connectivity between sensors, gateways, and cloud platforms.

Detailed and Complete Alternative Models

1. SN74LVC8T245PW: Similar 8-bit bidirectional transceiver with a different package (TSSOP).
2. SN74LVCH16T245DGGR: 16-bit bidirectional transceiver with similar characteristics and package (TSSOP).
3. SN74LVC4245APWR: Octal bus transceiver with similar