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CS497014 Datasheet(PDF) 9 Page - Cirrus Logic

Part No. CS497014
Description  High Definition Audio Decoder DSP Family with Dual 32-bit Engine Technology
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS497014 Datasheet(HTML) 9 Page - Cirrus Logic

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CS4970x4 Data Sheet
32-bit High Definition Audio Decoder DSP Family
DS752F1
9
5.2 Recommended Operating Conditions
(GNDD = GNDIO = GNDA = 0 V; all voltages with respect to 0 V)
Note: It is recommended that the 3.3 V IO supply come up ahead of or simultaneously with the 1.8 V core supply.
5.3 Digital DC Characteristics
(Measurements performed under static conditions.)
5.4 Power Supply Characteristics
(Measurements performed under operating conditions.)
Parameter
Symbol
Min
Typ
Max
Unit
DC power supplies:
Core supply
PLL supply
I/O supply
|VDDA – VDDIO|
VDD
VDDA
VDDIO
1.71
3.13
3.13
1.8
3.3
3.3
0
1.89
3.46
3.46
V
V
V
V
Ambient operating temperature
Commercial Grade (CQZ/CVZ)
TA
0
+25
+ 70
°C
Commercial
Tj
0+125
ºC
Parameter
Symbol
Min
Typ
Max
Unit
High-level input voltage
VIH
2.0
V
Low-level input voltage, except XTI
VIL
——
0.8
V
Low-level input voltage, XTI
VILXTI
——
0.6
V
Input Hysteresis
Vhys
—0.4
V
High-level output voltage (IO = -4mA), except XTI, SDRAM
pins
VOH
VDDIO * 0.9
V
Low-level output voltage (IO = 4mA), except XTI, SDRAM
pins
VOL
——
VDDIO * 0.1
V
SDRAM High-level output voltage (IO = -8mA)
VOH
VDDIO * 0.9
V
SDRAM Low-level output voltage (IO = 8mA)
VOL
——
VDDIO * 0.1
V
Input leakage current (all digital pins with internal pull-up
resistors disabled)
IIN
——
5
A
Input leakage current (all digital pins with internal pull-up
resistors enabled, and XTI)
IIN-PU
——
70
A
Parameter
Min
Typ
Max
Unit
Power supply current:
Core and I/O operating: VDD1
PLL operating: VDDA
With external memory and most ports operating: VDDIO
1.Dependent on application firmware and DSP clock speed.
350
3.5
120
mA
mA
mA


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