sc84512 Silan, sc84512 Datasheet - Page 4

• Manufacturer Part Number: sc84512
• Description: Ps/2 3d Scrolling Mouse Controller
• Manufacturer: Silan

AC ELECTRICAL CHARACTERISTICS
Oscillating Frequency
Key Debounce
Rising Edge Crossed Width
Fosc=35KHz
Falling Edge Crossed Width
Mouse CLK Active Time
Mouse CLK Inactive Time
Mouse Sample DATA from CLK
rising Edge
System CLK Active Time
System CLK Inactive Time
Time from DATA Transition to
Falling Edge of CLK
Time from rising Edge of CLK to
DATA Transition
Time to mouse Inhibit after the 11th
CLK to ensure mouse does not start
another Transmission
The AC timings are measured under using 35 KHz system clock signal.
PIN CONFIGURATIONS
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
Characteristics
Symbol
OSC OUT
T
T
F
T
T
T
T
T
T
T
mdc
T
mca
T
osc
mci
sca
sdc
scd
sci
kd
DATA
pi
r
f
OPT
VSS
CLK
V
DD
Z1
Z2
(T
amb
1
2
3
4
5
6
7
8
=25~70 C)
Test Condition
16
15
14
13
12
11
10
9
OSCR
Y2
Y1
X2
X1
L
M
R
34.3-10%
14.3
14.3
Min
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0
REV: 1.0
34.3
42.9
42.9
14.3
42.9
42.9
14.3
28.6
Typ
12
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34.3+10% kHz
SC84512
Page 4 of 12
Max
50
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2005.04.22
Unit
ms
s
s
s
s
s
s
s
s
s
s