CY74FCT823ATPC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, 8-bit bidirectional translator
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates logic levels between two different voltage domains
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 5.5V
• Logic Voltage Levels: 3.3V and 5V
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Output Drive: ±24mA

Pin Configuration

The CY74FCT823ATPC has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) A
2. I/O0A (Bidirectional Data I/O) A
3. I/O1A (Bidirectional Data I/O) A
4. I/O2A (Bidirectional Data I/O) A
5. I/O3A (Bidirectional Data I/O) A
6. VCCB (Power Supply) B
7. GND (Ground)
8. I/O4A (Bidirectional Data I/O) A
9. I/O5A (Bidirectional Data I/O) A
10. I/O6A (Bidirectional Data I/O) A
11. I/O7A (Bidirectional Data I/O) A
12. VCCA (Power Supply) A
13. I/O7B (Bidirectional Data I/O) B
14. I/O6B (Bidirectional Data I/O) B
15. I/O5B (Bidirectional Data I/O) B
16. I/O4B (Bidirectional Data I/O) B
17. GND (Ground)
18. I/O3B (Bidirectional Data I/O) B
19. I/O2B (Bidirectional Data I/O) B
20. I/O1B (Bidirectional Data I/O) B

Functional Features

• Bidirectional voltage level translation between two different voltage domains (3.3V and 5V)
• Supports high-speed data transfer with low propagation delay
• Provides output enable control for disabling the outputs when not in use
• Compatible with TTL and CMOS logic voltage levels
• Offers ±24mA output drive capability for robust signal transmission

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer between different voltage domains
• Low power consumption makes it suitable for battery-powered applications
• Wide operating temperature range enables usage in various environments
• Compact TSSOP package offers space-saving benefits

Disadvantages

• Limited to translating between 3.3V and 5V voltage domains only
• Not suitable for applications requiring translation between other voltage levels

Working Principles

The CY74FCT823ATPC utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage level translation. It employs a voltage divider network to ensure compatibility between the input and output logic voltage levels. The output enable control allows for easy management of the translator's output state.

Detailed Application Field Plans

The CY74FCT823ATPC is commonly used in various applications that require logic level translation between 3.3V and 5V voltage domains. Some typical application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication systems involving mixed voltage devices
3. Industrial automation and control systems
4. Data acquisition and processing systems
5. Sensor networks and IoT (Internet of Things) applications

Detailed and Complete Alternative Models

• SN74LV1T34DBVR: Single-bit unidirectional voltage level translator
• TXB0108PWR: 8-bit bidirectional voltage level translator with automatic direction sensing
• PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage level translator
• CD40109BE: Quad level shifter for TTL-to-CMOS or CMOS-to-TTL translation

These alternative models offer similar functionality to the CY74FCT823ATPC and can be considered as alternatives based on specific application requirements.

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