The S-25C256A is a SPI serial EEPROM which operates at high speed, with low current consumption and the wide range operation. The S-25C256A has the capacity of 256 K-bit and the organization of 32768 words × 8-bit. Page write and sequential read are available.
Features
- Wide range operation
- Read:1.6 V to 5.5 V
- Write:1.7 V to 5.5 V
- Operation frequency
- 10.0 MHz (Vcc =2.5 V to 5.5 V)
- Write time
- 5.0 ms Max.
- SPI mode (0, 0) and (1, 1)
- Page Write
- 64 bytes / page
- Sequential read
- Write protect
- Software, Hardware
Protect area: 25%, 50%, 100% - Monitors Write to the memory by a status register
- Function to prevent malfunction by monitoring clock pulse
- Write protect function during the low power supply voltage
- CMOS schmitt input
- ( CS , SCK, SI, WP , HOLD )
- Endurance
- 106cycles / unit*1 (Ta = +25°C)
- Data retention
- 100 years (Ta = +25°C)
- Memory capacity
- 256 K-bit
- Initial shipment data
- FFh, SRWD = 0, BP1 = 0, BP0 = 0
- Lead-free (Sn 100%), halogen-free*2
*1. For each unit (unit: the 4 bytes with the same address of A14 to A2)
*2. Refer to "Product Name Structure" of the data sheet for details.