PixArt Imaging Inc.

PAW3402 / PAW3412

PS/2 Optical Mouse SOC

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5

PixArt Imaging Inc.

V1.0, Feb. 2008

3.3 AC Operating Condition

Symbol Parameters

Min.

Typ.

Max. Unit

Notes

Tmca

Mouse CLK Active Time

-

40

-

us

Tmci

Mouse CLK Inactive Time

-

40

-

us

Tmdc

Time that Mouse Sample DATA from CLK Rising Edge

-

14

-

us

Tsca

System CLK Active Time

-

40

-

us

Tsci

System CLK Inactive Time

-

40

-

us

Tsdc

Time from DATA Transition to Falling Edge of CLK

-

12

-

us

Tscd

Time from Rising Edge of CLK to DATA Transition

-

28

-

us

Refer to

Figure 9,10

3.4 DC Electrical Characteristics

Symbol Parameter

Min.

Typ. Max.

Unit

Notes

Type: PWR

Supply Current

Mouse moving (normal)

-

12

-

mA

Supply Current

Mouse not moving (sleep)

-

5

-

mA

Type: BL, BM, BR

Internal Pull-up Resistance

-

50

-

Kohm

Type: Z1, Z2

Internal Pull-down Resistance

-

50

-

Kohm

Only mechanical Z input built-in internal

pull-down resistance, optical Z input

needs external pull-down resistance

Type: BL, BM, BR, Z1, Z2

Input High Voltage

2.0

-

-

V

Input Low Voltage

-

-

0.8

V

Type: CLOCK, DATA

Internal Pull-up Resistance

-

5

-

Kohm

Output Low Voltage

-

-

0.6

V

Output Pull-up Current

-

1

-

mA

Type: LED

Output voltage LOW

-

-

300

mV