Overview
The AT24C02C-MAHM-T is a 2-kilobit serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) produced by Microchip Technology. This device is part of the AT24C series and is optimized for use in industrial and commercial applications where low power and low voltage operation are essential. It communicates with the host controller using an I2C (2-wire) serial bus interface and is known for its high reliability and long data retention.
Key Specifications
| Parameter | Description |
|---|---|
| Memory Configuration | 256 x 8 bits (2 Kbits) |
| Interface | I2C (2-wire) serial bus |
| Power-Supply Voltage | 1.7V to 5.5V |
| Clock Frequency | 400 kHz (1.7V), 1 MHz (2.5V, 2.7V, 5.0V) |
| Package | 8-lead UDFN (Exposed Pad) |
| Operating Temperature Range | -40°C to +85°C |
| Write Cycle Time | 5 ms (max) |
| Endurance | 1,000,000 write cycles |
| Data Retention | 100 years |
Key Features
- Low-voltage operation: VCC = 1.7V to 5.5V
- I2C compatible (2-wire) serial interface
- Schmitt Trigger, filtered inputs for noise suppression
- Bidirectional data transfer protocol
- Write protect pin for hardware data protection
- 8-byte page write mode with partial page writes allowed
- Self-timed write cycle (5ms max)
- High reliability: 1,000,000 write cycles, 100 years data retention
- Green package options: Pb/Halide-free/RoHS-compliant
- Supports up to 8 devices on the same bus
Applications
- Industrial applications requiring low power and low voltage operation
- Commercial grade products such as consumer electronics and appliances
- Data retention and storage in various embedded systems
- Automotive applications due to its extended temperature range and high reliability
Q & A
- What is the memory configuration of the AT24C02C-MAHM-T?
The AT24C02C-MAHM-T has a memory configuration of 256 x 8 bits (2 Kbits).
- What is the operating voltage range of the AT24C02C-MAHM-T?
The operating voltage range is from 1.7V to 5.5V.
- What is the clock frequency of the AT24C02C-MAHM-T?
The clock frequency is 400 kHz at 1.7V and 1 MHz at 2.5V, 2.7V, and 5.0V.
- What is the package type of the AT24C02C-MAHM-T?
The package type is an 8-lead UDFN (Exposed Pad).
- What is the operating temperature range of the AT24C02C-MAHM-T?
The operating temperature range is -40°C to +85°C.
- How many write cycles can the AT24C02C-MAHM-T endure?
The device can endure up to 1,000,000 write cycles.
- What is the data retention period of the AT24C02C-MAHM-T?
The data retention period is 100 years.
- Does the AT24C02C-MAHM-T support multiple devices on the same bus?
Yes, it supports up to 8 devices on the same bus.
- What is the purpose of the write protect pin on the AT24C02C-MAHM-T?
The write protect pin is used for hardware data protection.
- Is the AT24C02C-MAHM-T suitable for automotive applications?
Yes, it is qualified for automotive applications due to its extended temperature range and high reliability.
