SN74LVCC3245APWTG4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: Bi-directional voltage level translator with 8-bit wide input/output bus
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage level shifting and bidirectional communication between two different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

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
• Low Power Consumption: Yes
• ESD Protection: Yes

Detailed Pin Configuration

The SN74LVCC3245APWTG4 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active low output enable control
2. A1 - Data bus A, bit 1
3. B1 - Data bus B, bit 1
4. A2 - Data bus A, bit 2
5. B2 - Data bus B, bit 2
6. A3 - Data bus A, bit 3
7. B3 - Data bus B, bit 3
8. GND (Ground) - Ground reference
9. B4 - Data bus B, bit 4
10. A4 - Data bus A, bit 4
11. B5 - Data bus B, bit 5
12. A5 - Data bus A, bit 5
13. B6 - Data bus B, bit 6
14. A6 - Data bus A, bit 6
15. B7 - Data bus B, bit 7
16. A7 - Data bus A, bit 7
17. VCC - Positive power supply
18. B8 - Data bus B, bit 8
19. A8 - Data bus A, bit 8
20. DIR (Direction Control) - Direction control input

Functional Features

• Bidirectional voltage level translation between two different voltage domains
• Tri-state outputs for bus sharing and isolation
• Low power consumption for energy-efficient operation
• ESD protection for enhanced reliability
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels - Provides bidirectional data transfer capability - Supports high-speed operation up to 100MHz - Offers low power consumption for energy efficiency - Ensures reliable operation with built-in ESD protection

Disadvantages: - May require additional external components for specific applications - Limited to 8-bit wide data bus communication

Working Principles

The SN74LVCC3245APWTG4 is designed to facilitate bidirectional communication between two voltage domains. It utilizes a combination of level shifting and tri-state output functionality to achieve this. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the outputs.

When the DIR pin is set to logic high, the device acts as a level shifter, translating the signals from one voltage domain to another. When the DIR pin is set to logic low, the device enters the high-impedance state, allowing multiple devices to share the same bus without interference.

Detailed Application Field Plans

The SN74LVCC3245APWTG4 is commonly used in various applications that require voltage level translation and bidirectional communication. Some of the typical application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication between devices operating at different voltage levels
3. Bus transceivers in mixed-voltage systems
4. Level shifting in battery-powered portable devices
5. Industrial automation and control systems

Detailed and Complete Alternative Models

1. SN74LVC245APW - Similar functionality, but operates at a lower voltage range (1.65V to 3.6V)
2. SN74AVC4T245PW - Four-channel version with similar features and package type
3. SN74HCT245PW - Higher voltage tolerant version (2V to 6V) with TTL compatibility

These alternative models provide similar functionality to the SN74LVCC3245APWTG4 but may have different specifications or operating characteristics. It is important to select the appropriate model based on the specific requirements of the application.

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