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AT25640B-SSHL-B
+NomenclatureIC EEPROM 64KBIT SPI 20MHZ 8SOIC
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FabricantTechnologie de micropuce
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Pièce fabricant #AT25640B-SSHL-B
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Fiche technique AT25640B-SSHL-B DataSheet
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En stock5477
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Digi Key Programmable | Verified |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 64Kbit |
| Memory Organization | 8K x 8 |
| Memory Interface | SPI |
| 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-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | AT25640 |
| Clock Frequency | 20 MHz |
Présentation
Description
Key features of the AT25640B-SSHL-B include:
1. Storage Capacity: It offers 64 Kbits of memory capacity, organized as 8192 bytes of 8 bits each.
2. Interface: The device utilizes an SPI (Serial Peripheral Interface) for efficient communication with microcontrollers.
3. Voltage Range: It operates over a voltage range of 1.8V to 5.5V, making it suitable for a variety of electronic devices.
4. Data Retention: Ensures data retention for up to 100 years and supports up to 1,000,000 write/erase cycles.
5. Package: The 'SSHL' indicates a small-outline Shrink Small-Outline Package (SSOP), which is compact and suitable for space-constrained applications.
6. Applications: Commonly used in consumer electronics, industrial equipment, and automotive systems for storing firmware, calibration data, and configuration settings.
This EEPROM is ideal for applications requiring reliable, non-volatile memory storage with a compact footprint.
Equivalent
1. STMicroelectronics M95640 - A similar 64Kb SPI EEPROM.
2. ON Semiconductor CAT25C64 - Another 64Kb SPI EEPROM with similar specifications.
3. ROHM BR25H064 - A 64Kb SPI EEPROM suitable for similar applications.
These alternatives offer comparable storage capacity and interface type, making them suitable substitutes, though slight variations in specifications may exist.
Features
1. Memory Capacity: It offers 64 Kbits (8,192 bytes) of storage, ideal for applications requiring moderate data storage.
2. Interface: Utilizes an SPI (Serial Peripheral Interface) bus for communication, providing fast and efficient data transfer.
3. Voltage Range: Operates in a wide voltage range of 1.7V to 5.5V, making it versatile for various power supply conditions.
4. Speed: Capable of high-speed operation, supporting clock frequencies up to 10 MHz.
5. Data Retention and Endurance: Guarantees data retention for over 100 years and provides a write endurance of 1 million cycles per byte.
6. Organizational Flexibility: Organized in 8,192 x 8-bit for easy addressing and data management.
7. Low Power Consumption: Designed for minimal power usage, making it suitable for battery-powered devices.
8. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package, conducive to compact designs.
These features make the AT25640B-SSHL-B a reliable choice for applications requiring robust non-volatile memory solutions.
Pinout
1. Pin Count: 8 pins
2. Functions:
- Pin 1 (CS): Chip Select - Activates the device.
- Pin 2 (SO): Serial Data Out - Outputs data to the master device.
- Pin 3 (WP): Write Protect - Used for disabling writing operations to part of the memory.
- Pin 4 (GND): Ground - Reference voltage for the device.
- Pin 5 (SI): Serial Data In - Inputs data from the master device.
- Pin 6 (SCK): Serial Clock - Synchronizes data transmission.
- Pin 7 (HOLD): Hold - Pauses communication without resetting the serial sequence.
- Pin 8 (VCC): Power Supply - Provides the necessary voltage for device operation.
This configuration allows for efficient serial communication using the SPI protocol, catering to applications requiring non-volatile memory storage.