參數(shù)資料
型號(hào): SAA5264PS
廠商: NXP Semiconductors N.V.
英文描述: 10 and 1 page intelligent teletext decoders
中文描述: 10和1頁智能圖文電視解碼器
文件頁數(shù): 13/24頁
文件大?。?/td> 97K
代理商: SAA5264PS
2000 Jan 27
13
Philips Semiconductors
Preliminary specification
10 and 1 page intelligent teletext decoders
SAA5264; SAA5265
Notes
1.
2.
Periphery supply current is dependent on I/O external components and voltage levels.
Crystal order number 4322 143 05561. If crystal 4322 143 05561 is not used, then the formulae in the crystal
specification should be used.
C
osc
may need to be reduced from the initially selected value. C
chip
= 7 pF, the mean of the capacitances due to the
chip at XTALIN and at XTALOUT. C
stray
is a value for the mean of the stray capacitances due to the external circuit
at XTALIN and XTALOUT. The maximum value for C
xtal(hold)
is to ensure start-up.
3.
Crystal oscillator
XTALIN (
PIN
41)
V
IL
LOW-level input
voltage
HIGH-level input
voltage
input capacitance
V
SSA
V
V
IH
V
DDA
V
C
i
XTALOUT (
PIN
42)
10
pF
C
o
Crystal specification;
notes 2 and 3
output capacitance
10
pF
f
xtal(nom)
nominal frequency
fundamental
mode
12
MHz
C
L
C
mot
R
xtal
load capacitance
motional capacitance
crystal resonance
resistance
capacitance at
XTALIN, XTALOUT
crystal holder
capacitance
crystal temperature
range
adjustment tolerance
drift
30
20
60
pF
fF
T
amb
= 25
°
C
T
amb
= 25
°
C
C
osc
T
amb
= 25
°
C
pF
C
xtal(hold)
T
amb
= 25
°
C
pF
T
xtal
20
+25
+85
°
C
X
j
X
d
T
amb
= 25
°
C
±
50
×
10
6
±
100
×
10
6
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
2C
L
C
chip
C
stray
35
C
2
-----------
C
2
-------------
C
2
---------------
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