Overview
The AT24C02C-MAHM-E is a versatile 2 Kb Serial EEPROM manufactured by Microchip Technology. This device is well-suited for a wide range of applications, including consumer, industrial, and automotive sectors. It features an I2C serial interface, providing a convenient 2-wire connection for easy integration into various systems. The compact and space-saving packaging options make it an excellent choice for applications where reliable nonvolatile memory storage is crucial.
Key Specifications
| Category | Specification |
|---|---|
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Memory Size | 2 Kbit |
| Memory Organization | 256 x 8 |
| Memory Interface | I²C |
| Clock Frequency | 1 MHz (2.5V, 2.7V, 5.0V), 400kHz (1.7V) |
| Write Cycle Time - Word, Page | 5ms |
| Access Time | 550 ns |
| Voltage - Supply | 1.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package/Case | 8-UFDFN Exposed Pad |
Key Features
- Wide Temperature Range: -40°C to 125°C
- Multiple Chip Select Capability: Allows up to eight devices to share a common 2-wire bus
- Standard Read and Write Operations
- Low-voltage Operation: VCC = 1.7V to 5.5V
- 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: Endurance of 1,000,000 Write Cycles, Data Retention over 100 Years
- Green Package Options: Pb/Halide-free/RoHS-compliant
Applications
The AT24C02C-MAHM-E is optimized for use in various industrial and commercial applications where low power and low voltage operation are essential. It is particularly suitable for:
- Consumer electronics
- Industrial control systems
- Automotive systems
- Any application requiring reliable nonvolatile memory storage
Q & A
- What is the memory size of the AT24C02C-MAHM-E?
The AT24C02C-MAHM-E has a memory size of 2 Kbit, organized as 256 x 8 bits.
- What is the memory interface of the AT24C02C-MAHM-E?
The device uses an I²C compatible 2-wire serial interface.
- What is the operating voltage range of the AT24C02C-MAHM-E?
The device operates within a voltage range of 1.7V to 5.5V.
- What is the maximum write cycle time for the AT24C02C-MAHM-E?
The maximum write cycle time is 5ms.
- What is the data retention period of the AT24C02C-MAHM-E?
The device has a data retention period of over 100 years.
- What are the package options available for the AT24C02C-MAHM-E?
The device is available in several package options including 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 5-lead SOT23, and 8-ball VFBGA.
- Is the AT24C02C-MAHM-E RoHS compliant?
Yes, the device is available in RoHS-compliant packages.
- What is the endurance of the AT24C02C-MAHM-E in terms of write cycles?
The device has an endurance of 1,000,000 write cycles.
- Can multiple AT24C02C-MAHM-E devices share the same 2-wire bus?
Yes, up to eight devices can share a common 2-wire bus using the multiple chip select capability.
- What is the operating temperature range of the AT24C02C-MAHM-E?
The device operates within a temperature range of -40°C to 85°C.
- Does the AT24C02C-MAHM-E have hardware data protection?
Yes, the device includes a write protect pin for hardware data protection.
