EKK8011E ELAN Microelectronics Corp, EKK8011E Datasheet - Page 31

• Manufacturer Part Number: EKK8011E
• Description: Usb And Ps/2 Keyboard Encoder
• Manufacturer: ELAN Microelectronics Corp

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9
Product Specification (V1.2) 07.09.2009
(This specification is subject to change without further notice)
DC Electrical Characteristics
AC Electrical Characteristics
*Note: Typical value for EM78M611E is 30~35pF; for EM78M611 is 20pF (8~15pF for bad qualities of resonator)
Operating voltage
Operating supply current
Input leakage
Input high voltage
Input low voltage
Output low voltage
Output low voltage for LEDs
Output low voltage for Mode
LED
Internal Pull-high resistance
(Ports 6, 9)
Internal Pull-high resistance
for Data, CLK
Internal Pull-high resistance
for D-
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 for 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
Resonator Specifications
*External capacitance (C4, C5)
Resonant Impedance
Parameter
Parameter
RPH1
RPH2
RPH3
VOL2
VOL3
VOL3
Sym.
VOL1
VCC
ICCI
VIH
VIL
IIN
V IN =V CC, V SS
IOL2 = 10 mA
IOL3 = 10 mA
I OL1 = 10 mA
Freq. = 6 MHz
IOL3 = 5 mA
VPH1 = 0V
VPH2 = 0V
VPH3 = 0V
Condition
−
−
−
FCLK
Sym.
Sym.
T1
T2
T3
T4
T5
T6
−
−
USB & PS/2 Keyboard Encoder
Min.
4.5
2.0
−
−
−
−
−
−
−
−
−
−
Min.
Min.
30
30
5
5
−
5
−
−
−
Typ.
0.4
3.0
2.2
1.5
0.4
25
5
−
−
−
−
1
Typ.
Typ.
40
40
30
−
−
−
−
6
−
Max.
T4 - 5
5.5
0.8
Max.
Max.
10
eKK8011E
1
−
−
−
−
−
−
−
−
25
50
50
50
25
30
−
−
Unit
MHz
Unit
Unit
mA
KΩ
KΩ
KΩ
µS
µS
µS
µS
µS
µS
pF
V
A
V
V
V
V
V
V
Ω
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