參數(shù)資料
型號: SAA5551PS/NNNN
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
封裝: 0.600 INCH, PLASTIC, SDIP-52
文件頁數(shù): 66/80頁
文件大小: 340K
代理商: SAA5551PS/NNNN
1999 Oct 27
69
Philips Semiconductors
Preliminary specication
Standard TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
Notes
1. Peripheral current is dependent on external components and voltage levels on I/Os.
2. Crystal order number 4322 143 05561.
3. If the 4322 143 05561 crystal is not used, then the formulae in the crystal specification should be used. Where
CIO = 7 pF, the mean of the capacitances due to the chip at XTALIN and at XTALOUT. Cext is a value for the mean
of the stray capacitances due to the external circuit at XTALIN and XTALOUT. The maximum value for the crystal
holder capacitance is to ensure start-up, Cosc may need to be reduced from the initially selected value.
4. Cosc(typ) =2CL CIO Cext
5. C0(max) =35 12(Cosc +CIO +Cext)
XTALOUT
CO
output capacitance
10
pF
Crystal specication; notes 2 and 3
fxtal
nominal frequency
fundamental
mode
12
MHz
CL
crystal load capacitance
-30
pF
C1
crystal motional capacitance
Tamb =25 °C
20
fF
Rr
resonance resistance
Tamb =25 °C
60
Cosc
capacitors at XTALIN, XTALOUT Tamb =25 °C
note 4
pF
C0
crystal holder capacitance
Tamb =25 °C
note 5
pF
Txtal
temperature range
20
+25
+85
°C
Xj
adjustment tolerance
Tamb =25 °C
±50 × 106
Xd
drift
±100 × 106
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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