© SII Semiconductor Corporation, 2013
2-WIRE SERIAL E2PROM
FOR DIMM SERIAL PRESENCE DETECT
This IC is a 2-wire serial E2PROM for DIMM serial presence detect which operates in 1.7 V to 3.6 V voltage ranges. This IC
has the capacity of 4 K-bit and the organization of 2 pages × 256-word × 8-bit. Page write and sequential read are available.
This IC operates with the I2C-bus at 1.0 MHz maximum.
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.
• Page write:
16 bytes / page
• Sequential read
• Write protect function during low power supply voltage
• Write protect:
Individual software data protection for each of four 128-byte blocks
106 cycle / word*1 (Ta = +25°C)
• Data retention:
100 years (Ta = +25°C)
• Memory capacity:
• Initial delivery state:
• JEDEC standard compliant: EE1004-1
• Current consumption:
3.0 μA max.
Read operation mode:
0.4 mA max.
Write operation mode:
2.0 mA max.
• Operation voltage range:
1.7 V to 3.6 V
• Operation frequency:
1.0 MHz max. (VDD = 2.2 V to 3.6 V)
400 kHz max. (VDD = 1.7 V to 3.6 V)
• Noise suppression:
Schmitt trigger and noise filter on input pins (SCL, SDA)
• Operation temperature range: Ta = −20°C to +125°C
• Lead-free (Sn 100%), halogen-free
*1. For each address (Word: 8-bit)