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Microchip 4 kB EEPROM Serial Peripheral Interface 250 ns 8-Pin SOIC Package 93C66A-I/SN
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.5mm |
| Length | 4.9mm |
| Model | 93C66A-I/SN |
| Width | 3.9mm |
| Mount Type | Surface |
| Series | 93C66A |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Memory size | 4kB |
| Interface Type | SPI |
| Standards/Approvals | RoHS |
| Pin Count | 8 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 4.5V |
| Organisation | 512 x 8 bit |
| Number of Bits per Word | 8 |
| Maximum Random Access Time | 250ns |
| Number of Words | 512 |
Key Features
- The EEPROM provides a memory size of 4 kB organized as 512 x 8-bit words.
- Operates at a supply voltage between 4.5 V and 5.5 V for versatility in various environments.
- Surface mount SOIC package with compact dimensions of 4.9 mm length, 3.9 mm width, and 1.5 mm height.
- Data retention exceeds 200 years with more than 1 million erase/write cycles ensuring long-term reliability.
- Temperature operating range from -40 °C to 85 °C suitable for industrial-grade applications.
- Designed without automotive standard qualification but optimized for many industrial and consumer electronics applications.
- Low maximum random access time of 250 ns enables fast read/write operations.
- Supports dedicated 8-bit memory organization compatible with serial peripheral interface protocols.
Product Description
Microchip 93C66A-I/SN is a 4 kB EEPROM memory chip featuring a dedicated 8-bit organization, optimized for reliable non-volatile data storage. It is supplied in a compact 8-pin SOIC surface-mount package with small dimensions of 4.9 mm length, 3.9 mm width, and 1.5 mm height, suitable for dense PCB layouts in industrial and consumer electronic devices.
This EEPROM operates between a voltage range of 4.5 V to 5.5 V, allowing flexibility in power supply conditions. It provides data retention of over 200 years and endurance of more than 1 million erase/write cycles, ensuring dependable long-term storage under typical operating conditions.
Its fast maximum random access time of 250 ns supports efficient read/write cycles. The device is compliant with RoHS environmental directives, reflecting the latest standards for hazardous substance restriction.
Operating temperatures range from -40 °C to 85 °C, covering common industrial temperature requirements. Although it does not carry an automotive standard, it is well-suited for applications in industrial, consumer, and various embedded systems requiring serial SPI EEPROM memory.
The EEPROM provides 512 words of 8 bits each for a total memory size of 4 kB. Its surface-mount SOIC package offers a compact footprint for integration in space-limited designs. The device supports SPI protocol for seamless communication with microcontrollers and processors.
Compliant with RoHS to ensure environmentally safe manufacturing practices. High endurance with more than 1 million erase/write cycles and extensive data retention of 200 years. Operates across an industrial temperature range of -40 °C to 85 °C.
Optimized for fast access cycles with a maximum random access time of 250 ns.
This Microchip product is ideal for industrial, consumer electronics, telecommunications, and embedded system applications requiring smaller size EEPROM memory with fast and reliable SPI communication. It supports manufacturing-level programming and is shipped in a tube for ease of handling during automated assembly.
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Frequently Asked Questions
It has a memory size of 4 kB, organized as 512 x 8-bit words.
The maximum random access time is 250 ns, allowing for fast read/write operations.
It operates within a temperature range of -40 °C to 85 °C, suitable for industrial applications.
This EEPROM operates at a supply voltage between 4.5 V and 5.5 V.
It is supplied in a compact 8-pin SOIC surface-mount package with dimensions of 4.9 mm length, 3.9 mm width, and 1.5 mm height.
It can endure more than 1 million erase/write cycles, ensuring long-term reliability.
It supports the Serial Peripheral Interface (SPI) for communication with microcontrollers and processors.
Yes, it is compliant with RoHS environmental directives, reflecting standards for hazardous substance restriction.
The memory is organized as 512 words of 8 bits each, totaling 4 kB.
This model has a pin count of 8.
It is optimized for industrial, consumer electronics, telecommunications, and embedded system applications requiring SPI EEPROM memory.
The country of origin is India.
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