Copyright © Parallax Inc.

MMA7455 3-Axis Accelerometer Module (#28526)

v1.1 9/24/2009 Page 2 of 6

Package and Pin Descriptions

Absolute Maximum Ratings

NOTE: These are conditions beyond which permanent device damage may occur; it is not implied that

the device will function properly throughout this range. For operational ranges, see the Operating

Conditions section below.

Parameter

Min

Typ

Max

Unit

VIN (Measured from GND)

0

--

6.5

V

Storage temperature

-40

--

+125

°C

DATA Pin

Input Voltage

-0.5

--

VIN + 0.5

V

Pin Current

-50

--

+50

mA

Maximum Acceleration (all axes)

--

--

5000

g

Pin #

Pin Name

Description

Pin Type

1

VIN

Input supply voltage

Power

2

n/c

Not connected – reserved for future use

n/a

3

INT1

Interrupt 1/Data Ready

Output

4

INT2

Interrupt 2

Output

5

GND

Ground

Power

6

CS

Chip select - SPI Enable (0), I

2C Enable (1)

Input

7

DATA

I

2C Serial Data (SDA), SPI Serial Data (SDI/SDO)

Input/Output

8

CLK

I

2C Serial Clock (SCL), SPI Serial Clock (SPC)

Input

+X

+Y

+Z