SM5221-001/002
32 KEYS ENCODER
SAMHOP Microelectronics Corp.
ELECTRICAL CHARACTERISTICS (Ta = 25
℃, VDD = 3.0 V)
Characteristic
Symbol Min.
Typ.
Max.
3.3
Unit
Conditions
Supply Voltage
VDD
2.0
3.0
0.1
V
Current Consumption 1
IDD1
1.0
mA
f osc = 455 kHz
f osc = STOP
Vo = 1.5 V
µ
A
Current Consumption 2
IDD2
1.0
DOUT High Level Output Current
DOUT Low Level Output Currenl
LED High Level Output Current
LED Low Level Output Current
KI High Level Input Current
KI Low Level Input Current
KI High Level Input Voltage
KI Low Level Input Voltage
KI/O High Level Input Voltage
KI/O Low Level Input Voltage
KI/O High Level Input Current
KI/O Low Level Input Current
KI/O High Level Output Current
KI/O Low Level Output Current
IOH1
-8.0
30
mA
µ
I
OL1
OH2
OL2
IH1
IL1
IH1
IL1
IH2
IL2
IH2
IL2
OH3
OL3
IH3
IH3
A
Vo = 0.3 V
µ
A
I
-15
1
-30
1.5
Vo = 2.7 V
I
mA
Vo = 0.3 V
µ
µ
I
5
30
A
A
V
IN = 3.0 V
IN = 0 V
I
-0.2
V
V
0.7 VDD
VDD
V
V
0
1.3
0
0.3VDD
V
V
V
V
VDD
V
0.4
7
µ
I
2
A
A
V
IN = 3.0 V
IN = 0 V
µ
I
-0.2
2.5
100
V
I
1.0
35
mA
Vo = 2.5 V
Vo = 1.7 V
µ
I
A
1.1
V
V
CODE High Level Input Voltage
CODE High Level Input Current
µ
µ
µ
µ
I
0.2
-10
30
A
A
A
A
Pull up
Pull up
V
IN = 3.0 V
IN = 0 V
CODE Low Level Input Current
CODE High Level Input Current
CODE Low Level Input Current
I
IL3
-3
5
V
IIH4
Pull down VIN = 3.0 V
Pull down VIN = 0 V
IIL4
-0.2
Page 14
V.2.0 Mar 8,2002
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
