SN74LVCR2245ARGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Level Shifter and Bus Transceiver
• Characteristics: Bi-directional, Non-Inverting, 8-bit, 3-state
• Package: VQFN-20
• Essence: This IC is designed to shift voltage levels and act as a bidirectional bus transceiver, allowing communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Output Drive Capability: ±24mA
• ESD Protection: Human Body Model (HBM) ±2000V, Machine Model (MM) ±200V

Detailed Pin Configuration

The SN74LVCR2245ARGYR 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. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. DIR (Direction Control)
10. A3 (Data Input/Output) 3
11. B3 (Data Input/Output) 3
12. GND (Ground)
13. B4 (Data Input/Output) 4
14. A4 (Data Input/Output) 4
15. OE (Output Enable) 4
16. VCC (Supply Voltage)
17. B5 (Data Input/Output) 5
18. A5 (Data Input/Output) 5
19. DIR (Direction Control)
20. OE (Output Enable) 3

Functional Features

• Bidirectional voltage level shifting between two different voltage domains.
• Non-inverting logic translation.
• 3-state outputs allow multiple devices to share the same bus without interference.
• Output enable and direction control pins provide flexibility in controlling data flow.

Advantages and Disadvantages

Advantages: - Allows communication between devices operating at different voltage levels. - Non-inverting logic translation preserves signal integrity. - 3-state outputs enable bus sharing among multiple devices. - Flexible control options with output enable and direction control pins.

Disadvantages: - Limited to 8-bit data transmission. - Maximum operating frequency of 100MHz may not be suitable for high-speed applications.

Working Principles

The SN74LVCR2245ARGYR operates by receiving data from one voltage domain, translating it to the voltage level of another domain, and transmitting it to the target device. The bidirectional nature of the IC allows data to flow in both directions. The direction control pin determines the data flow direction, while the output enable pin enables or disables the outputs. The non-inverting feature ensures that the translated data maintains its logical state.

Detailed Application Field Plans

The SN74LVCR2245ARGYR finds applications in various fields, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Industrial automation: It facilitates data exchange between devices with different voltage requirements in industrial control systems.
3. Communication systems: It allows for level shifting and bus transceiver functionality in communication equipment.
4. Automotive electronics: It enables communication between different subsystems operating at varying voltage levels in automotive applications.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Similar to SN74LVCR2245ARGYR, but with a different package (SOIC-20).
2. SN74AVC4T245: 4-bit bidirectional voltage level shifter and bus transceiver.
3. SN74LVC8T245: 8-bit bidirectional voltage level translator and bus transceiver.

These alternative models offer similar functionality but may have differences in package type, pin configuration, or other specifications.

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