© SII Semiconductor Corporation, 2010-2013
2-WIRE SERIAL E2PROM
The S-24C256C is a 2-wire, low current consumption and wide range operation serial E2PROM. The S-24C256C has the
capacity of 256 K-bit, and the organization is 32768 words × 8-bit. Page write and sequential read are available.
• Operating voltage range
1.6 V to 5.5 V
1.7 V to 5.5 V
• Page write:
64 bytes / page
• Sequential read
• Operation frequency:
1.0 MHz (VCC = 2.5 V to 5.5 V)
400 kHz (VCC = 1.6 V to 2.5 V)
• Write time:
5.0 ms max.
• Noise suppression:
Schmitt trigger and noise filter on input pins (SCL, SDA)
• Write protect function during the low power supply voltage
106cycles / unit*1 (Ta = +25°C)
• Data retention:
100 years (Ta = +25°C)
• Memory capacity:
• Write protect:
• Initial shipment data:
• Lead-free (Sn 100%), halogen-free*2
*1. For each unit (unit: the 4 bytes with the same address of W14 to W2)
*2. Refer to “ Product Name Structure” for details.
• 8-Pin SOP (JEDEC)
• 8-Pin TSSOP
This product is intended to use in general electronic devices such as consumer electronics,
office equipment, and communications devices. Before using the product in medical equipment
or automobile equipment including car audio, keyless entry and engine control unit, contact to
SII Semiconductor Corporation is indispensable.