The S-25C512A is a SPI serial EEPROM which operates at high speed, with low current consumption and the wide range operation. The S-25C512A has the capacity of 512 K-bit and the organization of 65536 words × 8-bit. Page write and sequential read are available.
Features
- Operating voltage range
 - 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
 - 128 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
 - 512 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 A15 to A2)
*2. Refer to "Product Name Structure" of the data sheet for details.