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STA013 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. STA013
Description  MPEG 2.5 LAYER III AUDIO DECODER
Download  38 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STA013 Datasheet(HTML) 6 Page - STMicroelectronics

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background image
VDD
100nF
1
2
VDD
100nF
14
13
VSS
VDD
100nF
16
15
VDD
100nF
23
22
VSS
VSS
VSS
17
18
27
28
26
RESET
24
TESTEN
25
SCANEN
OUT_CLK/DATA_REQ
VDD
PVSS
PVDD
100nF
4.7
µF
4.7
µF
PVDD
PVSS
VSS
10K
1K
4.7nF
PVSS
470pF
19
20
21
8
7
6
5
12
11
10
9
4
3
XTO
XTI
SCR_INT
BIT_EN
SCKR
SDI
OCLK
LRCKT
SCKT
SDO
SCL
SDA
D98AU966
Figure 3. Test Circuit
IOL
IOH
CL
VREF
VDD
OUTPUT
D98AU967
Figure 4. Test Load Circuit
Output
IOL
IOH
CL
VREF
SDA
1mA
100pF
3.6V
Other Outputs
100
µA
100
µA
100pF
1.5V
Test Load
2. FUNCTIONAL DESCRIPTION
2.1 - Clock Signal
The STA013 input clock is derivated from an ex-
ternal source or from a industry standard crystal
oscillator, generating input frequencies of 10,
14.31818 or 14.7456 MHz.
Other frequencies may be supported upon re-
quest to STMicroelectronics. Each frequency is
supported by downloading a specific configura-
tion file, provided by STM
XTI is an input Pad with specific levels.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VIL
Low Level Input Voltage
VDD-1.8
V
VIH
High Level Input Voltage
VDD-0.8
V
CMOS compatibility
The XTI pad low and high levels are CMOS compatible; XTI pad noise margin is better than typical
CMOS pads.
TTL compatibility
The XTI pad low level is compatible with TTL while the high level is not compatible (for example if VDD =
3V TTL min high level = 2.0V while XTI min high level = 2.2V)
STA013 - STA013B - STA013T
6/38


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