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www.fairchildsemi.com

www.fairchildsemi.com

FM3565 Rev. A.1

SCL

1

20

SDA

2

19

ASEL

OVRD

3

18

WP

I0

4

17

NC

I1

5

16

MUXSEL

I2

6

15

Y0

I3

7

14

Y1

I4

8

13

Y2

A/B

9

12

Y3

GND

10

11

Y4

Ordering Code

FM

3565

XXXX

X

Blank

Tube

X

Tape & Reel

M20

20-Pin SO Package Option

MT20

20-Pin TSSOP Package Option

Order Number

Package Number

Package Description

FM3565MT20

MTC20

20-Pin TSSOP

FM3565MT20X

MTC20

20-Pin TSSOP T & R

FM3565M20

M20B

20 Pin SO

FM3565M20X

M20B

20 Pin SO T & R

For all other combinations, check with Fairchild Marketing/Sales

Pin Connection Diagram

20-Pin Packages

FM3565

Pin Description

Pin Name

Description

I [0:4]

Data Inputs w/Pullups (10K-40K)

Y [0:4]

Open-Drain Data Outputs

SCL

Serial Port Clock Input (120K pullup)

OVRD

Override Input. Sets all outputs to 0

WP

Write Protect Input

NC

No Connect

MUXSEL

Multiplex Select Input

A/B

Level Select Input

ASEL

Address Select Input

SDA

Serial Port Data I/O (120K pullup)