CY74FCT245ATSOCT

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between two different voltage domains
• Packaging/Quantity: Typically sold in reels of 250 or 2,500 units

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
• Propagation Delay Time: 3.8ns (max)
• Output Current: ±24mA
• Number of Pins: 20

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. A4 (Data Input/Output)
9. B4 (Data Input/Output)
10. GND (Ground)
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. B8 (Data Input/Output)
18. A8 (Data Input/Output)
19. VCC (Supply Voltage)
20. DIR (Direction Control)

Functional Features

• Bidirectional voltage translation between two voltage domains
• High-speed operation with low propagation delay
• Output enable (OE) pin for disabling the outputs
• Direction control (DIR) pin for selecting data transfer direction

Advantages and Disadvantages

Advantages

• Enables communication between devices operating at different voltage levels
• Low power consumption
• Fast data transfer speed
• Compact package size

Disadvantages

• Limited to specific voltage ranges (4.5V to 5.5V)
• Not suitable for applications requiring higher voltage translation

Working Principles

The CY74FCT245ATSOCT is a level shifter and bus transceiver IC that allows bidirectional data transfer between two voltage domains. It operates by translating the logic levels of input signals from one voltage domain to another, ensuring compatibility between devices operating at different voltage levels. The direction of data transfer is controlled by the DIR pin, while the OE pin enables or disables the outputs.

Detailed Application Field Plans

The CY74FCT245ATSOCT is commonly used in various applications where voltage translation is required. Some of the typical application fields include: 1. Microcontroller interfacing with peripherals operating at different voltage levels 2. Communication systems involving multiple voltage domains 3. Data acquisition systems with mixed voltage signal sources 4. Industrial automation and control systems 5. Automotive electronics

Detailed and Complete Alternative Models

• SN74LV245A: Low-voltage octal bus transceiver with 3-state outputs
• MC74VHC245: Octal bus transceiver with 3-state outputs
• CD74HCT245: High-speed CMOS logic octal bus transceiver

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