X46402 Datasheet, PDF(7/23 Page) Xicor Inc. – Dual Voltage CPU Supervisor with 64K Password Protected EEPROM

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X46402 Datasheet, PDF (7/23 Pages) Xicor Inc. – Dual Voltage CPU Supervisor with 64K Password Protected EEPROM

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X46402

Preliminary Information

New Vcc or V2MON applied =

Old Vcc V2MON applied + Error

VTRIP/V2TRIP Programming

Execute

Reset VTRIP/V2TRIP

Sequence

Set Vcc = Vcc applied =

Desired VTRIP OR

Set V2MON = V2MON applied =

Desired V2TRIP, Vcc>=V2Trip

Execute

Set VTRIP, V2TRIP

Sequence

Recyle Vcc power

Apply 5V to Vcc or V2MON

Decrement Vcc

or V2MON

(<50mV step)

New Vcc/V2MON applied =

Old Vcc applied - Error

Execute

Reset V2TRIP, VTRIP

Sequence

RESET

or V2FAIL pin

goes active?

YES

Error < 0

Measured V(2)TRIP -

Desired V(2)TRIP

Error > 0

Error = 0

DONE

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