FX579 Datasheet, PDF (20/23 Pages) CML Microcircuits – HALF DUPLEX GMSK MODEM

Half Duplex GMSK Modem
1.7 Performance Specification
1.7.1 Electrical Performance
Absolute Maximum Ratings
Exceeding these maximum ratings can result in damage to the device.
Min.
Supply voltage (V_DD)
-0.3
Voltage on any pin (ref. V_SS = 0V)
-0.3
Current into or out of V_DD and V_SS pins
-30
Current into or out of any other pin
-20
Storage Temperature
-55
Operating Temperature
-40
D4 Package (Plastic)
Total allowable power dissipation at Tamb=25°C
...... Derating
FX579
Max.
7.0
V_DD + 0.3
+30
+20
+125
+85
Units
V
V
mA
mA
°C
°C
800
mW
13
mW/°C
Operating Limits
Correct operation of the device outside these limits is not implied.
Condition
Min.
Operating Temperature
Supply Voltage (V_DD)
Xtal/Clock Frequency
Xtal/Clock Frequency
Data Rate
Data Rate
(V_DD < 4.5V)
(V_DD ≥ 4.5V)
(V_DD < 4.5V)
(V_DD ≥ 4.5V)
-40
3.0
1.0
1.0
4000
4000
Max.
+85
5.5
5.0
6.5
20 000
40 000
Units
°C
V
MHz
MHz
bits/sec
bits/sec
Operating Characteristics
All device characteristics are measured under the following conditions unless otherwise specified:
Tamb = 25°C, V_DD = 5.0V, Xtal frequency = 4.096MHz
Data rate = 8000 bits/sec, Noise bandwidth = bit rate
Characteristic
Note
Min. Typ. Max.
Units
Static Values
Supply Current
(for V_DD = 3.0V)
(for V_DD = 5.0V)
Logic "1" input level
Logic "0" input level
Logic input current
Logic "1" Output Level at I_OH = -120µA
Logic "0" Output Level at I_OL = 120µA
1
-
-
2
mA
1
-
-
4
mA
3.5
-
-
V
-
-
1.5
V
2
-5.0
-
5.0
µA
4.6
-
-
V
-
-
0.4
V
© 1996 Consumer Microcircuits Limited
20
D/579/4