S-24C32C Просмотр технического описания (PDF) - Seiko Instruments Inc

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S-24C32C

2-WIRE SERIAL E2PROM

Seiko Instruments Inc 

2-WIRE SERIAL E2PROM

S-24C32C/64C

Rev.4.0_02_H

 Write Protect Function during the Low Power Supply Voltage

The S-24C32C/64C 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 1.20 V typ. (Refer to Figure 21).

The S-24C32C/64C 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 (−VDET)

1.20 V typ.

Release Voltage (+VDET)

1.20 V typ.

Write Instruction cancel

Figure 21 Operation during Low Power Supply Voltage

20

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