SC91710A Datasheet, PDF (3/17 Pages) List of Unclassifed Manufacturers – TONE / PULSE SWITCHABLE DIALER WITH HANDFREE FUNCTION

SC91710A/B
ABSOLUTE MAXIMUM RATING(Tamb=25°C, All voltage referenced to VSS, unless otherwise specified)
Characteristics
Power Supply Voltage
Input Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VDD
VIN
PD
Topr
Tstg
Ratings
6.0
-0.3~VDD+0.3
500
-25~+70
-55~+150
Unit
V
V
mW
°C
°C
ELECTRICAL CHARACTERISTICS(Tamb=25°C, VDD=2.5V, fosc=3.579545MHz, unless otherwise specified)
Characteristics
Symbol
Conditions
DC Characteristics
Tone
Operating Voltage
VDD Pulse
Memory retention
Operating Current
Tone OFF-HOOK,
IOP
Pulse Keypad entry
Standby Current
ON-HOOKˈNo keypad
IS
entry
Memory Retention Current
Imr ON-HOOKˈVDD=1.0V
Control Pin Input Low Voltage
Vil --
Control Pin Input High Voltage
XMUTE Pin Leakage Current
XMUTE Pin Sink Current
HKS Pin Input Current
Vih --
Imth ^V XMUTE ^=6.0V
Imtl ^V XMUTE ^=0.5V
Ihks Vhks=2.5V
Keyboard
Drive Current
Ikbd Vn=0V˄note1˅
Scanning Pin Sink Current
Ikbs Vn=2.5˄note1˅
Key-in Debounce Time
tDB --
HFI pin input resistor
Rhfi VDD=2.5
HFO pin drive current
Ihdoh Vhfo=2.0V
HFO pin sink current
Ihdol Vhfo=2.5V
Pulse Mode
Pulse Output Pin Leakage Current Ipoh Vpo=2.5V
Pulse Output Pin Sink Current Ipol Vpo=0.5V
Pulse Rate
fpr
Make/Break Ratio
Pre-digit Pause
tM˖tB
M/B ratio=40:60
tPDP
M/B ratio=33:66
Min. Typ. Max. Unit
2.5
--
5.5
2.0
--
5.5
V
1.0
5.5
--
0.6
2
mA
--
0.2
0.5
--
0.1
1
µA
--
0.1
0.2
µA
VSS
0.7VDD
0.3VDD
V
VDD
--
--
1
µA
0.2
0.5
--
mA
--
--
0.1
µA
4
10
30
µA
200
400
800
--
20
--
ms
--
200
--
kΩ
0.5
--
--
mA
0.5
--
--
mA
0.1
--
0.5
--
--
10
--
20
--
40:60
--
33:66
--
40
--
33
--
µA
--
mA
--
pps
--
--
%
--
--
ms
--
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.2 2007.03.07
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