AT93C46D-TH-T

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AT93C46D-TH-T

IC EEPROM 1KBIT 3-WIRE 8TSSOP

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Spezifikationen

Part Status Active
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 1Kbit
Memory Organization 128 x 8, 64 x 16
Memory Interface 3-Wire Serial
Write Cycle Time - Word, Page 5ms
Voltage - Supply 1.8V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 8-TSSOP
Base Product Number 93C46
Clock Frequency 2 MHz

Übersicht

Description

The AT93C46D-TH-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Atmel, primarily used for storing small amounts of data in embedded systems. It features a memory capacity of 1 Kbit (128 bytes) and operates via a 3-wire interface (SPI), allowing for efficient data transfer.
Key characteristics include:
- Voltage Range: Typically operates between 2.7V to 5.5V, making it suitable for various power supply levels.
- Data Retention: Offers retention of data for up to 100 years, ensuring long-term reliability.
- Write Endurance: Capable of withstanding around 1 million write/erase cycles, suitable for applications requiring frequent updates.
- Speed: Supports clock speeds up to 20 MHz, providing quick access to stored data.
Common applications include configuration storage, calibration data, and firmware in consumer electronics, automotive, and industrial devices. The AT93C46D-TH-T package is designed for surface mounting, facilitating integration into compact circuit designs.

Features

The AT93C46D-TH-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for data storage applications. Key features include:
1. Memory Size: 4 Kbit (512 x 8 bits).
2. Interface: Supports a 3-wire and 2-wire serial interface, making it compatible with various microcontrollers.
3. Voltage Range: Operates from a typical supply voltage of 2.5V to 5.5V.
4. Speed: Offers fast access times, typically around 400 kHz for 2-wire, and up to 1 MHz for 3-wire operation.
5. Endurance: Provides high endurance with up to 1 million write/erase cycles.
6. Data Retention: Ensures data retention up to 100 years.
7. Package Type: Available in a TSSOP package (8-pin) for space-saving designs.
8. Low Power Consumption: Features low power consumption in active and standby modes.
These characteristics make the AT93C46D-TH-T suitable for applications such as data logging, configuration storage, and boot code storage in embedded systems.

Package

The AT93C46D-TH-T is typically offered in a TDFN (Thin Dual Flat No-lead) package type, which is a compact, surface-mount package designed for space-constrained applications.

Pinout

The AT93C46D-TH-T is a 2K-bit EEPROM (Electrically Erasable Programmable Read-Only Memory) device with a pin count of 8.
Pin Configuration and Functions:
1. VCC (Pin 1): Power supply (typically +2.7V to +5.5V).
2. GND (Pin 2): Ground reference.
3. DI (Pin 3): Data input for serial communication.
4. DO (Pin 4): Data output for serial communication.
5. CS (Pin 5): Chip select; activates the device.
6. SK (Pin 6): Serial clock; provides timing for data transfer.
7. HOLD (Pin 7): Hold pin; pauses data transmission when low.
8. WP (Pin 8): Write protect; prevents writing to the memory when high.
This EEPROM operates using a serial interface, allowing for efficient data storage and retrieval in embedded applications.

Manufacturer

The AT93C46D-TH-T is manufactured by Microchip Technology Inc., a leading company in the semiconductor industry. Microchip specializes in designing and manufacturing microcontrollers, analog semiconductors, memory products, and other related technologies. Founded in 1989, the company focuses on providing innovative solutions for embedded control applications across various sectors, including automotive, industrial, consumer, and communication markets. Microchip is known for its commitment to quality, reliability, and customer support, making it a key player in the electronics industry.

Application

The AT93C46D-TH-T is a low-power serial EEPROM used in various applications, including consumer electronics, automotive systems, and industrial devices. It is suitable for data storage in smart cards, remote controls, and personal identification systems. Its reliability and fast read/write speeds make it ideal for configurations, firmware storage, and calibration data in embedded systems.

Equivalent

The AT93C46D-TH-T chip is a 1K-bit EEPROM with a 2-wire interface. Equivalent products include the Microchip 93C46, STMicroelectronics M93C46, and Winbond W25X40. Always verify specific features and compatibility before substitution, as variations may exist in speed, voltage, and packaging.

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