SST39VF040-70-4I-WHE-T vs FM24CL16B-DGTR
| Part Number |
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| Category | General Memory | General Memory |
| Manufacturer | Microchip Technology | Cypress Semiconductor Corp |
| Description | IC FLASH 4MBIT PARALLEL 32TSOP | IC FRAM 16KBIT I2C 1MHZ 8TDFN |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | SST39 MPF™ | F-RAM™ |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 32-TFSOP (0.488\", 12.40mm Width) | 8-WDFN Exposed Pad |
| Supplier Device Package | 32-TSOP | 8-DFN (4x4.5) |
| Memory Size | 4Mb (512K x 8) | 16Kb (2K x 8) |
| Technology | FLASH | FRAM (Ferroelectric RAM) |
| Memory Type | Non-Volatile | Non-Volatile |
| Clock Frequency | - | 1 MHz |
| Access Time | 70 ns | 550 ns |
| Memory Format | FLASH | FRAM |
| Write Cycle Time - Word, Page | 20µs | - |
| Memory Interface | Parallel | I²C |
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1. What is SSD and how to distinguish it from HDD?
SSD (Solid State Drive) is a non-volatile storage device that stores data through flash memory. It has faster read and write speeds than HDD (Hard Disk Drive), no mechanical structure, and long life, but the price is relatively higher.
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2. What is embedded memory?
Embedded memory is a memory integrated into an electronic system for real-time data processing and program execution of the device. It is commonly found in microcontrollers, mobile devices, and embedded systems.
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3. What is ECC memory?
ECC (error correction code) memory detects and corrects single-bit errors in stored data, improving the reliability of memory and is commonly used in servers and data centers.
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4. Why is the DRAM refresh rate important?
DRAM needs to be refreshed regularly to maintain data. The refresh rate affects the power consumption and speed of the memory. The higher the refresh rate, the faster the memory responds, but it also increases power consumption.
