參數(shù)資料
型號: M44C092-V
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: SSO-20
文件頁數(shù): 72/80頁
文件大?。?/td> 609K
代理商: M44C092-V
M44C092–V
Rev. A2, 08-Nov-01
74 (80)
Unit
Max.
Typ.
Min.
Symbol
Test Conditions / Pins
Parameters
32-kHz crystal oscillator (operating range VDD = 2.0 V to 6.5 V)
Frequency
fX
32.768
kHz
Start-up time
tSQ
0.5
s
Stability
f/f
–10
10
ppm
Integrated input / output
capacitances
(mask programmable)
CIN / COUT programmable
in steps of 2 pF
CIN
COUT
0
20
pF
External 32-kHz crystal parameters
Crystal frequency
fX
32.768
kHz
Serial resistance
RS
30
50
k
Static capacitance
C
0
1.5
pF
Dynamic capacitance
C1
3
fF
External 4-MHz crystal parameters
Crystal frequency
fX
4.0
MHz
Serial resistance
RS
40
150
Static capacitance
C
0
1.4
3
pF
Dynamic capacitance
C1
3
fF
Crystal Characteristics
L
C1
RS
C0
OSCIN
OSCOUT
Equivalent
circuit
96 11553
SCLIN
SCLOUT
Figure 86. Crystal equivalent circuit
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