HM91710A データシートの表示（PDF） - ELAN Microelectronics
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HM91710A Datasheet PDF : 19 Pages
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HM91710A/B
TONE/PULSE SWITCHABLE DIALER
ABSOLUTE MAXIMUM RATINGS (Ambient Temperature is 25oC, All voltage referenced to V . )
SS
Parameter
Sym.
Ratings
Unit
Power Supply Voltage
VDD
Input Voltage Range
VIN
Operating Temperature
T
OPR
Storage Temperate
TSTO
Power Dissipation
PD
6.0
V
-0.3 ~ VDD + 0.3
V
0 ~ 50
oC
-55 ~125
oC
500
mw
ELECTRICAL CHARACTERISTICS (I) (Ambient Temperature is 25oC, 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
VDD Tone
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
-
0.1 0.2
µA
Vil
VSS
- 0.3VDD V
Vih
0.7VDD
-
VDD
V
Imth Vxmute = 2.5V
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,
tDB
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.
1.7.2002 8
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