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S-24C256C Datasheet, PDF (19/35 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage | |||
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Rev.2.0_02_S
2-WIRE SERIAL E2PROM
S-24C256C
ï® Write Protect Function during the Low Power Supply Voltage
The S-24C256C has a built-in detection circuit which operates with the low power supply voltage, cancels Write when the
power supply voltage drops and power-on. Its detection and release voltages are 1.50 V typ. (Refer to Figure 19).
The S-24C256C cancels Write by detecting a low power supply voltage when it receives a stop condition.
In the data trasmission and the Write operation, data in the address written during the low power supply voltage is not
assurable.
Power Supply Voltage
Detection Voltage (âVDET)
1.50 V typ.
Release Voltage (+VDET)
1.50 V typ.
Write Instruction cancel
Figure 19 Operation during Low Power Supply Voltage
19
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