M-8880 CLARE [Clare, Inc.], M-8880 Datasheet - Page 7

• Manufacturer Part Number: M-8880
• Description: M-8880 DTMF Transceiver
• Manufacturer: CLARE [Clare, Inc.]

40-406-00012, Rev. G
Power supply voltage (V
Voltage on any pin
Current on any pin
Operating temperature
Storage temperature
Operating supply voltage
Operating supply current
Power consumption
Inputs
High-level input voltage, OSC1
Low-level input voltage, OSC1
Input impedance (@ 1 kHz), IN+, IN-
Steering threshold voltage
Outputs
High-level output voltage (no load), OSC2
Low-level output voltage (no load), OSC2
Output leakage current (V
V
V
Data Bus
Low-level input voltage
High-level input voltage
Low-level output voltage (I
High-level output voltage (I
Input leakage current (V
BIT
b0
b1
b2
b3
REF
REF
Note: Exceeding these ratings may cause permanent damage. Functional operation under these conditions is not implied.
All voltages referenced to V
noted. *Typical values are for use as design aids only, and are not guaranteed or subject to production testing.
output voltage (no load)
output resistance
IRQ
Transmit data register
empty (burst mode only)
Receive data register
full
Delayed steering
Name
Parameter
IN
DD
Parameter
OH
OL
= 0.4 to 2.4 V)
OH
- V
= 2.4V), IRQ
= 1.6 mA)
= 400 A)
SS
SS
Interrupt has occurred. Bi tone (b1) and/or bit 2 (b2)
is set.
Pause duration has terminated and transmitter is
ready for new data.
Valid data is in the receive data register.
Set on valid detection of the absence of a DTMF sig-
nal.
)
unless otherwise noted. V
Table 10 Absolute Maximum Ratings
Table 9 Status Register Description
Status Flag Set
Table 11 DC Characteristics
DD
= 5.0 V ± 5%; f
Symbol
Symbol
Page 7
M-8880
V
V
V
V
V
V
V
V
R
V
V
V
R
I
I
I
V
P
V
T
T
OHO
DD
DD
OLO
REF
I
IHO
OZ
ILO
TSt
DD
DD
OR
OH
IZ
OL
dc
IH
IN
IL
A
S
O
C
= 3.579545 MHz;
V
DD
4.75
Min
3.5
2.2
2.4
2.0
2.4
—
—
—
—
—
—
—
—
—
—
- 0.1V
Interrupt is inactive. Cleared after status register is
read.
Cleared after status register is read or when not in
burst mode.
Cleared after status register is read.
Cleared on detection of a valid DTMF signal.
A
Typ*
5.0
2.3
1.0
10
50
10
—
—
—
—
—
—
—
—
—
—
= -40°C to +85 C, unless otherwise
Status Flag Cleared
V
SS
-0.3 V to V
-65°C to +150°C
-40°C to +85°C
+ 6.0 V max
10 mA max
Value
78.75
Max
5.25
10.0
10.0
1.5
2.5
0.1
2.7
1.0
0.8
0.4
15
—
—
—
—
—
DD
+ 0.3 V
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Units
mW
mA
M
k
V
V
V
V
V
V
V
V
V
V
V
A
A