FM3130-G datasheet(17/22 Pages) RAMTRON

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FM3130 Integrated RTC/Alarm with 64Kb FRAM

Rev. 3.2

Sept. 2011

Page 17 of 22

Electrical Specifications

Absolute Maximum Ratings

Symbol

Description

Ratings

VDD

Power Supply Voltage with respect to VSS

-1.0V to +5.0V

VIN

Voltage on any signal pin with respect to VSS

-1.0V to +5.0V * and

VIN ≤ VDD+1.0V **

VBAK

Backup Supply Voltage

-1.0V to +4.5V

TSTG

Storage Temperature

-55C to + 125C

TLEAD

Lead Temperature (Soldering, 10 seconds)

300 C

VESD

Electrostatic Discharge Voltage

- Human Body Model (JEDEC Std JESD22-A114-B)

- Charged Device Model (JEDEC Std JESD22-C101-A)

- Machine Model (JEDEC Std JESD22-A115-A)

4kV

1kV

200V

Package Moisture Sensitivity Level

MSL-1

** The “VIN < VDD+1.0V” restriction does not apply to the SCL, SDA, and ACS pins which do not employ a diode to VDD.

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only,

and the functional operation of the device at these or any other conditions above those listed in the operational section of this

specification is not implied. Exposure to absolute maximum ratings conditions for extended periods may affect device reliability.

DC Operating Conditions (TA = -40 C to + 85 C, VDD = 2.7V to 3.6V unless otherwise specified)

Symbol

Parameter

Min

Typ

Max

Units

Notes

VDD

Main Power Supply

2.7

3.6

IDD

VDD Supply Current

@ SCL = 100 kHz

@ SCL = 1 MHz

150

500

A

ISB

Standby Current

Trickle Charger Off (VBC=0)

Trickle Chrg On, Fast Chrg Off (VBC=1, FC=0)

Trickle Chrg On, Fast Chrg On (VBC=1, FC=1)

190

2600

A

VBAK

RTC Backup Supply Voltage

2.0

3.0

3.6

IBAK

RTC Backup Supply Current

A

IBAKTC

Trickle Charge Current with VBAK=0V

Fast Charge Off (FC = 0)

Fast Charge On (FC = 1)

200

120

2500

A

ILI

Input Leakage Current

1

A

ILO

Output Leakage Current

1

A

VIH

Input High Voltage

0.7 VDD

VDD + 0.3

VIL

Input Low Voltage

-0.3

0.3 VDD

VOL1

Output Low Voltage (IOL = 3 mA)

- Applies to SDA and ACS pin

- VDD > VSW

0.4

VOL2

Output Low Voltage (IOL = 80 A)

- Applies only to ACS pin

- VBAK applied, VDD < VSW

0.4

VSW

Battery Switchover Voltage

2.0

2.7

Notes

Full complete operation. RTC operates to lower voltages as specified.

SCL toggling between VDD-0.3V and VSS, other inputs VSS or VDD-0.3V. VBC=0. IDD is linear vs frequency.

All inputs at VSS or VDD, static. Stop command issued.

The VBAK trickle charger automatically regulates the maximum voltage on this pin for capacitor backup applications.

VBAK = 3.0V, VDD < VSW, oscillator running.

VBAK will source current when the trickle charger is enabled (VBC=1), VDD > VBAK and VDD > VSW.

VIN or VOUT = VSS to VDD.

FM3130-G Datasheet(PDF) 17 Page - Ramtron International Corporation

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