EM91810B EMC [ELAN Microelectronics Corp], EM91810B Datasheet - Page 8

• Manufacturer Part Number: EM91810B
• Description: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
• Manufacturer: EMC [ELAN Microelectronics Corp]

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