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CS494002 数据表(PDF) 8 Page - Cirrus Logic

部件名 CS494002
功能描述  Multi-Standard Audio Decoder Family
PDF  100 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS494002 数据表(HTML) 8 Page - Cirrus Logic

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1.4 Digital D.C. Characteristics for VDDSD Level I/O
(TA =25 °C;VDDSD = 3.3 V±; measurements performed under static conditions.)
1.5 Power Supply Characteristics
(TA =25 °C; VDD, PLLVDD = 2.5 V; VDDSD = 3.3 V;measurements performed under operating conditions)
1.6 Switching Characteristics— RESET
(TA =25 °C; VDD, PLLVDD= 2.5 V; VDDSD = 3.3 V; CL =20 pF)
Parameter
Symbol
Min
Typ
Max
Unit
High-level input voltage
VIH
0.65xVDDSD
V
Low-level input voltage
VIL
0.35xVDDSD
V
High-level output voltage at IO = –2.0 mA
VOH
0.9xVDDSD
V
Low-level output voltage at IO =2.0 mA
VOL
0.1xVDDSD
V
Input leakage current (except all pins with internal pull-
up)
Iin
10
µA
Input leakage current (all pins with internal pull-up)
50
µA
Parameter
Symbol
Min
Typ
Max
Unit
Power supply current:
Core and I/O operating: VSS
PLL operating: PLLVSS
Memory operating: VSSSD
400
6
25
mA
mA
mA
Parameter
Symbol
Min
Max
Unit
RESET minimum pulse width low
Trstl
10
-
µs
All bidirectional pins high-Z after RESET low
Trst2z
50
ns
Configuration bits setup before RESET high
Trstsu
50
-
ns
Configuration bits hold after RESET high
Trsthld
15
-
ns
RESET
T
rst2z
T
rstl
T
rstsu
T
rsthld
FHS0,1,2
UHS0,1,2
All Bidirectional
Pins
Figure 1. RESET Timing



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