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CS4239 Datasheet, PDF (6/98 Pages) Cirrus Logic – CrystalClear™ Portable ISA Audio System
CS4239
CrystalClearTM Portable ISA Audio System
ABSOLUTE MAXIMUM RATINGS (AGND, DGND, SGND = 0 V, all voltages with respect to 0 V.)
Parameter
Symbol
Min
Power Supplies:
Digital VD1
-0.3
VDF1-VDF3
-0.3
Analog VA
-0.3
Total Power Dissipation
(Supplies, Inputs, Outputs)
Input Current per Pin
(Except Supply Pins)
-10.0
Output Current per Pin
(Except Supply Pins)
-50
Analog Input Voltage
-0.3
Digital Input Voltage:
SA<11:0>, IOR, IOW, AEN
SD<7:0>, DACK<A:C>
-0.3
All other digital inputs
-0.3
Ambient Temperature
(Power Applied)
-55
Storage Temperature
-65
Warning: Operation beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
Max
6.0
6.0
6.0
1
+10.0
+50
VA+0.3
Units
V
V
V
W
mA
mA
V
VD1+0.3
V
VDF+0.3 V
+125
°C
+150
°C
DIGITAL CHARACTERISTICS
(TA = 25°C; VA, VDF1-VDF3 = 5 V, VD1 = 5 V/3 V; AGND, DGND1, SGND1-SGND4 = 0 V.)
Parameter
Symbol
Min
Max
Units
High-level Input Voltage
Digital Inputs VIH
2.0
V
XTALI
VDF-1.0
V
Low-level Input Voltage
VIL
0.8
V
High-level Output Voltage: ISA Bus Pins I0 = -24.0 mA VOH
2.4
IOCHRDY, SDA (Note 6)
All Others
I0 = -1.0 mA
2.4
VD1
V
VDF
V
VDF
V
Low-level Output Voltage: ISA Bus Pins I0 = 24.0 mA VOL
MCLK, SDOUT, MIDOUT, IOCHRDY I0 = 8.0 mA
All Others
I0 = 4.0 mA
0.4
V
0.4
V
0.4
V
Input Leakage Current
(Digital Inputs)
-10
10
µA
Output Leakage Current
(High-Z Digital Outputs)
-10
10
µA
Note 6. Open Collector pins. High level output voltage dependent on external pull up (required) used and
number of peripherals (gates) attached.
6
DS253PP2