Overview
The CAT25128VI-T3D is a 128-Kb Serial CMOS EEPROM device manufactured by Onsemi. This device is internally organized as 16Kx8 bits and supports the Serial Peripheral Interface (SPI) protocol. It features a 64-byte page write buffer and operates within a supply voltage range of 1.8 V to 5.5 V. The CAT25128VI-T3D is designed for high reliability applications, offering advanced features such as hardware and software write protection, on-chip Error Correction Code (ECC), and a long data retention period of 100 years.
Key Specifications
| Parameter | Min | Max | Units |
|---|---|---|---|
| Supply Voltage (VCC) | 1.8 | 5.5 | V |
| Clock Frequency (fSCK) | 5 | 20 | MHz |
| Supply Current (Read Mode) | 0.8 | - | mA |
| Output High Voltage (VCC > 2.5 V, IOH = -1.6 mA) | VCC - 0.8 | - | V |
| Output Low Voltage (VCC > 1.8 V, IOL = 150 μA) | 0.2 | - | V |
| Data Setup Time | 20 | 10 | ns |
| Data Hold Time | 20 | 10 | ns |
| SCK High Time | 75 | 40 | ns |
| SCK Low Time | 75 | 40 | ns |
| Program/Erase Cycles | 1,000,000 | - | - |
| Data Retention | 100 | - | Years |
Key Features
- 20 MHz SPI Compatible
- 1.8 V to 5.5 V Supply Voltage Range
- SPI Modes (0,0) & (1,1)
- 64-byte Page Write Buffer
- Additional Identification Page with Permanent Write Protection
- Self-timed Write Cycle
- Hardware and Software Write Protection
- Block Write Protection - Protect 1/4, 1/2 or Entire EEPROM Array
- Low Power CMOS Technology
- On-Chip ECC (Error Correction Code)
- Available in 8-lead SOIC, TSSOP, and 8-pad UDFN Packages
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
Applications
The CAT25128VI-T3D is suitable for a variety of applications requiring non-volatile memory, including:
- Industrial control systems
- Automotive systems
- Consumer electronics
- Medical devices
- High reliability applications where data integrity is crucial
Q & A
- What is the memory organization of the CAT25128VI-T3D?
The CAT25128VI-T3D is internally organized as 16Kx8 bits.
- What is the supply voltage range for the CAT25128VI-T3D?
The supply voltage range is 1.8 V to 5.5 V.
- What SPI modes does the CAT25128VI-T3D support?
The device supports SPI modes (0,0) and (1,1).
- What is the size of the page write buffer in the CAT25128VI-T3D?
The page write buffer is 64 bytes.
- Does the CAT25128VI-T3D have write protection features?
Yes, it features hardware and software write protection, including block write protection.
- What is the data retention period of the CAT25128VI-T3D?
The data retention period is 100 years.
- How many program/erase cycles can the CAT25128VI-T3D endure?
The device can endure 1,000,000 program/erase cycles.
- What packages are available for the CAT25128VI-T3D?
The device is available in 8-lead SOIC, TSSOP, and 8-pad UDFN packages.
- Is the CAT25128VI-T3D RoHS compliant?
Yes, the device is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- How does the HOLD input function in the CAT25128VI-T3D?
The HOLD input can be used to pause communication between the host and the CAT25128VI-T3D by taking HOLD low while SCK is low.
