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M-8888 Datasheet, PDF (8/14 Pages) Clare, Inc. – DTMF Transceiver
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M-8888
Absolute Maximum Ratings
Parameter Symbol
Value
Power supply voltage
(VDD - VSS)
VDD
+ 6.0 V max
Voltage on any pin
Vdc
VSS -0.3 V to VDD + 0.3V
Current on any pin
IDD
10 mA max
Operating temperature TA
-40°C to +85°C
Storage temperature
TS
-65°C to +150°C
Note: Exceeding these ratings may cause permanent damage. Functional operation under these
conditions is not implied.
Absolute Maximum Ratings are stress ratings. Stresses in
excess of these ratings can cause permanent damage to
the device. Functional operation of the device at these or
any other conditions beyond those indicated in the opera-
tional sections of this data sheet is not implied. Exposure of
the device to the absolute maximum ratings for an extend-
ed period may degrade the device and effect its reliability.
DC Characteristics
Parameter
Symbol
Min
Typ*
Operating supply voltage
Operating supply current
Power consumption
Inputs
VDD
4.75
5.0
IDD
-
10
PO
-
50
High-level input voltage, OSC1
Low-level input voltage, OSC1
Input impedance (@ 1 KHz), IN+, IN-
Steering threshold voltage
Outputs
VIHO
3.5
-
VILO
-
-
RIN
-
10
VTSt
2.2
2.3
High-level output voltage (no load), OSC2
VOHO
VDD - 0.1V
-
Low-level output voltage (no load), OSC2
VOLO
-
-
Output leakage current (VOH = 2.4V), IRQ
IOZ
-
1.0
VREF output voltage (no load)
VREF
2.4
-
VREF output resistance
ROR
-
-
Data Bus
Low-level input voltage
VIL
-
-
High-level input voltage
VIH
2.0
-
Low-level output voltage (IOL = 1.6 mA)
VOL
-
-
High-level output voltage (IOH = 400 µA)
VOH
2.4
-
Input leakage current (VIN = 0.4 to 2.4 V)
IIZ
-
-
All voltages referenced to VSS unless otherwise noted. VDD = 5.0 V ± 5%; fC = 3.579545 MHz; TA = -40°C to +85°C unless otherwise noted.
*Typical values are for use as design aids only, and are not guaranteed or subject to production testing.
Max
5.25
15
78.75
-
1.5
-
2.5
-
0.1
10.0
2.7
1.0
0.8
-
0.4
-
10.0
Units
V
mA
mW
V
V
MΩ
V
V
V
µA
V
kΩ
V
V
V
V
µA
8
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Rev. 1
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