EM91210 Ver la hoja de datos (PDF) - ELAN Microelectronics
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EM91210 Datasheet PDF : 19 Pages
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EM91210 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
ABSOLUTE MAXIMUM RATINGS(Ambient temperature is 25 °C, all voltages referenced to VSS)
Items
Sym.
Rating
Unit
Power supply voltage
VDD
6.0 Vdc
V
Input voltage range
VIN
VSS-0.3V ~ VDD+0.3V
V
Operating temperature
TOPR
0 ~ +50
°C
Storage temperature
T
STO
-55 ~ 125
°C
Power consumption
PD
500
mW
ELECTRICAL CHARACTERISTICS
(Ambient
temperature
is
25
°C,
V =2.5V
DD
unless
otherwise
noted,
all
voltages
referenced
to
V,
SS
Fosc=3.579545
MHz)
Parameter
Sym. Min. Typ. Max. Unit Condition
Operating voltage
Operating current(HKS=0)
Memory retention current
Standby current
HKS, HFI
pins: input voltage
HFO & PM pins source current
Pulse
Tone
Pulse
Tone
Pulse
Tone
HKS=1
HKS=0
HKS=1
HKS=0
Idd
Imrt
Istby
ViH
ViL
IoH
2.0
-
5.5 V
2.0
-
5.5
- 0.15 0.3
- 0.3 0.5 mA
- 0.15 0.3
- 0.3 0.5
- 0.001 0.1 uA
- 0.001 0.1
-
1
10 uA
-0.001 0.1
- 10 30
0.8Vdd - Vdd V
Vss - 0.2Vdd
0.2 -
- mA
unload
unload
with pull up/down
resistor * 8
HKS=1,Vdd=1V
unload
with pull up/down
resistor * 8
Vo = 2.0 V
PO, HFO, XMUTE,
IoL
-0.2 -
- mA Vo = 0.5 V
& PM, SDO pins: sink current
PO, XMUTE and SDO
IoH
-
- ±0.001 uA Vo = Vdd
pins: leakage current
HFI pin input resistance
Rhfi
- 200
- KΩ Vhfi = Vss
Keyboard scanning pins
IoH
2 10 50 uA Vksn=Vss
output current (except COL4/KT)
IoL
200 400 800
Vksn=Vdd
COL4/KT source current
IoH
0.2 -
- mA Vo=2.0V
sink current
IoL
0.2 -
-
Vo=0.5V
* This specification are subject to be changed without notice.
10.1.1997 8
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