Description
Here's a concise introduction to the SN65C3221EPWR:
The SN65C3221EPWR is a quad receiver/transmitter IC designed for reliable RS-232 serial communication in various applications such as industrial automation, point-of-sale systems, networking equipment, and telecommunications devices. This Texas Instruments product offers ESD protection up to ±15 kV for robust data transmission. It operates with a voltage supply of 3 V to 5.5 V and supports data transfer rates up to 1 Mbit/s. The device features an auto-powerdown mode that disables drivers for power savings, and it consumes only 1 µA of standby current typical. With its comprehensive feature set and high reliability, the SN65C3221EPWR is suitable for various industrial, commercial, and telecommunications applications that require robust serial communication.
Features
According to the product information, the features of the SN65C3221EPWR are:
- ESD Protection for RS-232 pins:
- + ±15-kV Human-body model (HBM)
- + ±8-kV IEC 61000-4-2 Contact discharge
- + ±15-kV IEC 61000-4-2 Air-gap discharge
- Operate with 3-V to 5.5-V VCC supply
- Operate up to 1 Mbit/s
- Low Standby Current: 1 µA Typical
- External capacitors: 4 × 0.1 µF
- Accepts 5-V logic input with 3.3-V supply
- RS-232 Bus-pin ESD protection exceeds ±15 kv using human-body model (HBM)
- Auto-powerdown feature automatically disables drivers for power savings
These features make the SN65C3221EPWR suitable for applications requiring reliable and robust serial communication, such as industrial automation, point-of-sale systems, networking equipment, and telecommunications devices.
Package
The package type of SN65C3221EPWR is a 16-TSSOP (0.173", 4.40mm Width).
Pinout
The SN65C3221EPWR is a quad receiver/transmitter RS-232 interface IC with 16 pins.
Here's a concise breakdown of the pin functions:
- Pins 1-4: Transmitters (TxA, TxB, TxY, TxZ)
- Pins 5-8: Receivers (RxA, RxB, RyA, RyB)
- Pin 9: VCC (supply voltage)
- Pin 10: GND (ground)
- Pins 11-16: Not connected
This IC is designed for RS-232 serial communication and provides ESD protection for the RS-232 pins. It operates with a supply voltage of 3V to 5.5V and has a data transfer rate of up to 1 Mbit/s.
Manufacturer
The manufacturer of the SN65C3221EPWR is Texas Instruments (TI). Texas Instruments is a multinational semiconductor company that designs, manufactures, and tests semiconductors and other electronic components. The company was founded in 1930 and is headquartered in Dallas, Texas, USA. TI is one of the largest and most well-known semiconductor companies in the world, with a wide range of products including microprocessors, memory chips, and interface ICs like the SN65C3221EPWR.
Applications
According to the product description, the SN65C3221EPWR is commonly used in applications requiring RS-232 serial communication, including:
- Industrial automation
- Point-of-sale systems
- Networking equipment
- Telecommunications devices
- Data acquisition systems
- Instrumentation
- Control systems that require reliable and robust serial communication.
Equivalent
The equivalent products of SN65C3221EPWR are:
- MAX232
- 74VTH16221A
- MC9S08GB60AA
- CP2102
These ICs offer similar RS-232 interface functionality, ESD protection, and low power consumption. However, please note that each product may have slightly different specifications or features.
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Warranty
Put in the screwdriver according to the attached scheme, works perfectly. thanks.