EKK8301 ELAN Microelectronics Corp, EKK8301 Datasheet - Page 24

• Manufacturer Part Number: EKK8301
• Description: Keyboard Encoder
• Manufacturer: ELAN Microelectronics Corp

eKK8301
Keyboard Encoder
7
8
9
20 •
Absolute Maximum Ratings
DC Electrical Characteristics
AC Electrical Characteristics
Operating voltage
Operating supply current
Input leakage
Input high voltage
Input low voltage
Output low voltage
Output low voltage for LEDS
Internal Pull-high resistance ( port
6,9 )
Internal Pull-high resistance for
DATA, CLK
Output low voltage for DATA CLK
Time from DATA transition to falling edge of CLK
Time from rising edge of CLK to DATA transition
Duration of CLK inactive
Duration of CLK active
Time to auxiliary device inhibit after clock 11 to
ensure
the auxiliary device does not start another
transmission
Time from inactive to active CLK transition, used to
time
when auxiliary device samples DATA
System clock
Supply Voltage
Input Voltage
Output Voltage
Temperature under bias
Storage temperature
Parameter
Parameter
Parameter
(This specification is subject to change without further notice)
Sym.
R
R
V
V
V
V
I
V
V
I
CCI
OL1
OL2
PH1
PH2
OL3
CC
IN
IH
IL
Min.
4.5
2.0
1.5
12
Sym.
V
V
V
T
T
Product Specification (V1.0) 08.07.2002
OUT
CC
IN
B
S
Typ.
FCLK
Sym.
2.2
5
T1
T2
T3
T4
T5
T6
Max.
5.5
0.8
0.4
3.2
0.4
±1
23
Min.
3
3
30
30
5
5
5
Kohm
Kohm
Unit
1.843
mA
µA
Typ.
-65℃ to 150℃
V
V
V
V
V
V
40
40
-0.5V to +7V
-0.3V to +6V
-0.3V to +6V
0℃to 70℃
Ratings
I
Fosc = 6MHz
I
V
I
Max.
T4 - 5
Condition
V
V
OL1
OL2
OL3
25
50
50
50
25
IN
PH1
PH2
=V
= 3.0 mA
= 10 mA
= 5 mA
CC
= 0V
= 0V
MHz
,V
Unit
µS
µS
µS
µS
µS
µS
SS