FM33256/FM3316 SPI Companion w/ FRAM

Rev. 2.0

Feb. 2009

Page 23 of 28

Electrical Specifications

Absolute Maximum Ratings

Symbol

Description

Ratings

-1.0V to +5.0V

-1.0V to +5.0V and

Backup Supply Voltage

-1.0V to +4.5V

Storage Temperature

-55

°C to + 125°C

Lead Temperature (Soldering, 10 seconds)

300

° C

Electrostatic Discharge Voltage

4kV

750V

200V

Package Moisture Sensitivity Level

MSL-1

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.

Symbol

Parameter

Min

Typ

Max

Units

Notes

Main Power Supply

2.7

-

3.6

V

1

@ SCK = 1.0 MHz

@ SCK = 16.0 MHz

1.1

16.0

mA

mA

2

Standby Current

50

µA

3

RTC Backup Voltage

2.0

3.0

3.6

V

4

RTC Backup Current

1

µA

5

Fast Charge Off (FC = 0)

Fast Charge On (FC = 1)

50

200

200

2500

µA

µA

6

70

µA

7

30

µA

8

2.55

2.6

2.70

V

9

2.70

2.75

2.85

V

9

2.80

2.9

2.97

V

9

2.93

3.0

3.13

V

9

0

1.6

V

V

10

Battery Switchover Voltage

2.0

2.7

V

Input Leakage Current

±1

µA

11

Output Leakage Current

±1

µA

11

Input Low Voltage

All inputs except as listed below

-0.3

-0.3

-0.3

0.5

0.8

V

V

V

12

Input High Voltage

All inputs except as listed below

PFI

-

V

V

V

V

Continued

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