EM91810A 查看數據表（PDF） - ELAN Microelectronics
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EM91810A
ELAN Microelectronics
EM91810A Datasheet PDF : 18 Pages
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EM91810A/B
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
ABSOLUTE MAXIMUM RATINGS (Ambient Temperature is 25°C, All voltage referenced to VSS. )
Parameter
Sym.
Ratings
Unit
Power Supply Voltage
VDD
Input Voltage Range
V
IN
Operating Temperature
TOPR
Storage Temperate
TSTO
Power Dissipation
P
D
6.0
V
-0.3 ~ V + 0.3
V
DD
0 ~ 50
˚C
-55 ~125
˚C
500
mw
ELECTRICAL CHARACTERISTICS (I) (Ambient Temperature is 25°C, All voltage referenced to VSS , VDD = 2.5V,
unless otherwise noted.)
(General purpose specification, fosc. = 3.579545 MHz)
Parameter
Operating Voltage
Operating Current
Standby Current
Memory retention current
Control pin input voltage
XMUTE pin
leakage current
sink current
HKS pin input current
Keyboard scanning pin
drive current
sink current
Key-in debounce time
HFI pin input resistor
HFO pin
drive current
sink current
Sym.
Conditions
Min. Typ. Max. Unit
V
Tone
DD
Pulse
2.5
-
5.5
2.0
-
5.5
V
Memory retension
1.0
-
5.5
Iop
Tone
-
Pulse OFF-HOOK, Keypad entry -
0.6
2
0.2 0.5
mA
mA
Is
ON-HOOK, No Keypad entry
-
0.1
1
µA
Imr ON-HOOK, VDD = 1.0V
Vil
Vih
-
0.1 0.2
µA
V
- 0.3V
V
SS
DD
0.7VDD -
VDD
V
Imth Vxmute = 6.0V
Imtl Vxmute = 0.5V
Ihks Vhks = 2.5V
-
-
1
µA
0.2 0.5
-
mA
-
-
0.1
µA
Ikbd *Vn = 0V,
Ikbs *Vn = 2.5V,
t
DB
Rhfi Vhfi=0
4
10
30
µA
200 400 800
µA
-
20
-
ms
-
200
-
KΩ
Ihdoh Vhfo = 2.0V
Ihdol Vhfo = 0.5V
0.5
-
-
mA
0.5
-
-
mA
* Vn : Input voltage of any keyboard scanning pin (Row group, Column group).
* This specification are subject to be changed without notice.
10.1.1997 8
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