EM91850 查看數據表（PDF） - ELAN Microelectronics
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EM91850 Datasheet PDF : 20 Pages
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EM91850
TONE/PULSE DIALER WITH HF, HD, REDIAL
AND VOLUME CONTROL FUNCTION
Preliminary
ABSOLUTE MAXIMUM RATINGS(Ambient temperature is 25oC, all voltages referenced to VSS)
Items
Sym.
Rating
Unit
Power supply voltage
VDD
6.0
V
Input voltage range
VIN
VSS-0.3V ~ VDD+0.3V
V
Operating temperature
TOPR
0 ~ +70
oC
Storage temperature
T
STO
-55 ~ 150
oC
Power consumption
PD
500
mW
RECOMMENDED OPERATING CONDITIONS
1. Supply voltage range from 2 V to 5.5 V at fc=3.58 MHz
2. Operation frequency: 3.58 MHz crystal.
D.C. ELECTRICAL CHARACTERISTICS
(VSS=0V; TOPR=0oC to 70oC, VDD=3V unless otherwise noted)
Parameter
Sym. Min.
Operating voltage
Tone
Pulse
VDD 2.0
2.0
Memory retenion
1.0
Standby current
Istby -
Operating current
Tone
Pulse
-
I
-
DD
-
Memory retention current
Imrt -
HKS, HFI
Input voltage
HFO
Drive current
Sink current
HFO pull down resistor
VAO
Leakage current
Sink current
MuteO, HDO, XMUTE
Drive current
Sink current
K2, K3, K6
Output current
PO Sink current
ViH 0.7
ViL Vss
IoH -0.2
IoL 0.2
Rhf
IoH -
IoL 1
IoH -270
IoL 10
IoH -270
IoL 10
IoL 1
Typ. Max. Unit
- 5.5 V
- 5.5
- 5.5
0.001 0.1 µA
0.15 0.3 mA
0.3 0.5 mA
0.15 0.3
0.001 0.1 uA
- 1V
DD
- 0.3
- - mA
--
- 200 -
- -0.01 uA
- - mA
-350 -420 uA
20 50
-350 -420 uA
20 50
1.5 2 mA
Condition
unload
Idle On_Hook state
HKS=1,Vdd=1V
Schmitt trigger
Vo=2.5V
Vo=0.5V
KΩ
Vxmute=Vdd
Vxmute=0.5V
Vo=2.5V
Vo=0.5V
Vo=2.5V
Vo=0.5V
Vo=0.5V
* This specification are subject to be changed without notice.
4.28.1999 9
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