The S-25C320A/640A is a SPI serial EEPROM which operates at high speed, with low current consumption and the wide range operation. The S-25C320A/640A has the capacity of 32 K-bit and 64 K-bit, and the organization is 4096 words × 8-bit, 8192 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
- 5.0 MHz (VCC = 2.5 V to 5.5 V)
- Write time
- 5.0 ms max.
- SPI mode (0, 0) and (1, 1)
- Page write
- 32 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
- 106 cycles / word*1 (Ta = +25°C)
- Data retention
- 100 years (Ta = +25°C)
- Memory capacity
- S-25C320A 32 K-bit
- S-25C640A 64 K-bit
- Initial delivery state
- FFh, SRWD = 0, BP1 = 0, BP0 = 0
- Operation temperature range
- Ta = -40°C to +85°C
- Lead-free (Sn 100%), halogen-free*2
*1. For each address (Word: 8-bit)
*2. Refer to "■ Product Name Structure" for details.