參數(shù)資料
型號(hào): STA003
英文描述: MPEG 2.5 LAYER III AUDIO DECODER
中文描述: 2.5第三層的MPEG音頻解碼器
文件頁(yè)數(shù): 5/32頁(yè)
文件大小: 299K
代理商: STA003
V
DD
100nF
1
2
V
DD
100nF
14
13
V
SS
V
DD
100nF
16
15
V
DD
100nF
23
22
V
SS
V
SS
V
SS
17
18
27
28
26
RESET
24
TESTEN
25
SCANEN
VDD_5/CLK_OUT
V
DD
PV
SS
PV
DD
100nF
4.7
μ
F
4.7
μ
F
PV
DD
PV
SS
V
SS
10K
1K
4.7nF
PV
SS
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
D99AU1004
Figure 3.
Test Circuit
I
OL
I
OH
C
L
V
REF
V
DD
OUTPUT
D98AU967
Test Load Circuit
Output
I
OL
1mA
100
μ
A
I
OH
C
L
V
REF
3.6V
1.5V
SDA
Other Outputs
100pF
100pF
100
μ
A
Test Load
2. FUNCTIONAL DESCRIPTION
2.1 - Clock Signal
The STA003T input clock is derivated from an ex-
ternal source or from a 14.72 MHz crystal.
XTI is an input Pad with specific levels.
Symbol
V
IL
V
IH
Parameter
Test Condition
Min.
Typ.
Max.
V
DD
-1.8
Unit
V
V
Low Level Input Voltage
High Level Input Voltage
V
DD
-0.8
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 V
DD
=
3V TTL min high level = 2.0V while XTI min high level = 2.2V)
STA003T
5/32
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