FM31256-G datasheet(2/27 Pages) CYPRESS

部件名	FM31256-G

功能描述	Integrated Processor Companion with Memory

Download	27 Pages

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制造商	CYPRESS [Cypress Semiconductor]

网页	http://www.cypress.com

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2 / 27 page

FM31256/3164 Processor Companion

Document Number: 001-86391 Rev. *B

Page 2 of 27

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

1External 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-G

256Kb

2.7-5.5V

2.6V, 2.9, 3.9, 4.4V

FM31256-GTR (tape&reel)

FM3164

64Kb

2.7-5.5V

2.6V, 2.9, 3.9, 4.4V

FM3164-G

64Kb

2.7-5.5V

2.6V, 2.9, 3.9, 4.4V

FM3164-GTR (tape&reel)

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

类似零件编号 - FM31256-G

制造商	部件名	数据表	功能描述
Ramtron International C...	FM31256-G	546Kb / 25P	Integrated Processor Companion with Memory
Cypress Semiconductor	FM31256-GTR	773Kb / 27P	Integrated Processor Companion with Memory

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类似说明 - FM31256-G

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