Silan
Semiconductors
SC91310 Series
DC ELECTRICAL CHARACTERISTICS
(Tamb=25~70°C, VDD~VSS=2.5V, fosc=3.58MHz, all outputs unloaded)
Pa ra me te r
Operating Voltage
Symbol
Conditions
Min
2.0
--
Typ
--
Ma x
5.5
Unit
V
VDD
Tone
Pulse
HKS
0.3
0.15
0.5
mA
mA
Operating Current
Standby Current
IOP
ISB
--
0.3
=0, No load,
--
--
15
µA
& No key entry
Memory Retention Current
DTMF Output Voltage
Pre-emphasis
IMR
VTO
=1, VDD=1.0V
--
130
1
--
150
2
0.2
170
3
µA
mVrms
dB
HKS
Row group, RL=5kΩ
Col/Row, VDD=2.0~5.5V
RL=5kΩ, VDD=2.0~5.5V
RL=5kΩ, VDD=2.0~5.5V
VTO=0.5V
DTMF Distortion
THD
VTDC
ITL
--
-30
--
-23
3.0
--
dB
DTMF OUTPUT DC Level
TMF Output Sink Current
1.0
0.2
0.5
0.5
--
V
--
mA
mA
mA
kΩ
Output Sink Current
IPL
VPO=0.5V
--
--
DP
T/P
Output Sink Current
IML
VMO=0.5V
--
--
MUTE
I/P Pull-high Resistor
RKH
IKD
300
--
--
HKS
Keypad Input Drive Current
Keypad Input Sink Current
Keypad Resistance
VI=0V
30
200
--
--
µA
IKS
VI=2.5V
400
--
--
µA
5.0
kΩ
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
Rev: 2.1
2002.12.03
3
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