FM3116 datasheet(2/22 Pages) ETC1

Part #	FM3116

Description	Integrated Processor Companion with Memory

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FM3104/16/64/256

Rev 0.2

May 2003

Page 2 of 22

Pin Configuration

Pin Name

Function

CNT1, CNT2

Event Counter Inputs

A0, A1

Device Select inputs

CAL/PFO

Clock Calibration and Early

Power-fail Output

/RST

Reset Input/Output

PFI

Early Power-fail Input

X1, X2

Crystal Connections

SDA

Serial Data

SCL

Serial Clock

VBAK

Battery-Backup Supply

VDD

Supply Voltage

VSS

Ground

Ordering Information

Base Configuration

Memory Size

Operating Voltage

Reset Threshold

Ordering Part Number

FM31256

256Kb

2.7-5.5V

2.6V, 2.9, 3.9, 4.4V

FM31256-S

FM3164

64Kb

2.7-5.5V

2.6V, 2.9, 3.9, 4.4V

FM3164-S

FM3116

16Kb

2.7-5.5V

2.6V, 2.9, 3.9, 4.4V

FM3116-S

FM3104

4Kb

2.7-5.5V

2.6V, 2.9, 3.9, 4.4V

FM3104-S

Other memory configurations may be available. Please contact the factory for more information.

VDD

VBAK

SCL

SDA

VSS

X1

X2

CAL/PFO

CNT1

PFI

RST

A0

A1

CNT2

1

2

3

4

5

6

7

14

13

12

11

10

9

8

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