CY74FCT245ATQCT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-power, bidirectional data transfer
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transfers data between two different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 200Mbps
• Number of Channels: 8

Detailed Pin Configuration

1. OE (Output Enable)
2. A1 (Data Input/Output)
3. B1 (Data Input/Output)
4. A2 (Data Input/Output)
5. B2 (Data Input/Output)
6. A3 (Data Input/Output)
7. B3 (Data Input/Output)
8. GND (Ground)
9. B4 (Data Input/Output)
10. A4 (Data Input/Output)
11. B5 (Data Input/Output)
12. A5 (Data Input/Output)
13. B6 (Data Input/Output)
14. A6 (Data Input/Output)
15. B7 (Data Input/Output)
16. A7 (Data Input/Output)
17. VCC (Supply Voltage)
18. DIR (Direction Control)
19. B0 (Data Input/Output)
20. A0 (Data Input/Output)

Functional Features

• Bidirectional data transfer between two voltage domains
• Level shifting capability for interfacing between different logic families
• Output enable control for tri-state operation
• Direction control for selecting data flow direction

Advantages

• High-speed data transfer up to 200Mbps
• Low power consumption
• Wide operating temperature range
• Compact TSSOP package for space-constrained applications

Disadvantages

• Limited number of channels (8)
• Requires external pull-up or pull-down resistors for proper operation

Working Principles

The CY74FCT245ATQCT is a level shifter and bus transceiver IC that allows bidirectional data transfer between two voltage domains. It operates by converting the logic levels of input data from one voltage domain to another, enabling seamless communication between different logic families. The direction control pin determines the data flow direction, while the output enable pin enables or disables the outputs in a tri-state configuration.

Detailed Application Field Plans

1. Interfacing between different logic families, such as TTL and CMOS
2. Level shifting in mixed-voltage systems
3. Bus transceiver in communication protocols like I2C, SPI, or UART
4. Data transfer between microcontrollers and peripheral devices
5. Signal conversion in industrial automation and control systems

Detailed and Complete Alternative Models

1. SN74LV245A: Low-Voltage Octal Bus Transceiver
2. MC74VHC245: Octal Bus Transceiver with 3-State Outputs
3. CD4508B: CMOS Dual 4-Bit Latch/4-to-8 Line Decoder

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