參數(shù)資料
型號： UPSD3254B-40U1T
廠商： 意法半導(dǎo)體
英文描述： Two and Three Channel Codewheels
中文描述： 閃存可編程系統(tǒng)設(shè)備與8032微控制器核心和256Kbit的SRAM
文件頁數(shù)： 169/176頁
文件大?。?/td> 1214K
代理商： UPSD3254B-40U1T
169/176
μPSD325X DEVICES
Figure 89. External Clock Cycle
Figure 90. Recommended Oscillator Circuits
Note:
C1, C2 = 30pF ± 10pF for crystals
For ceramic resonators, contact resonator manufacturer
Oscillation circuit is designed to be used either with a ceramic resonator or crystal oscillator. Since each crystal and ceramic resonator
have their own characteristics, the user should consult the crystal manufacturer for appropriate values of external components.
Figure 91. PSD MODULE AC Measurement I/O
Waveform
Figure 92. PSD MODULE AC Measurement
Load Circuit
Table 141. Capacitance
Note: 1. Sampled only, not 100% tested.
2. Typical values are for T
A
= 25°C and nominal supply voltages.
3.0V
0V
Test Point
1.5V
AI03103b
Device
Under Test
2.01 V
195
C
= 30 pF
(Including Scope and
Jig Capacitance)
AI03104b
Symbol
Parameter
Test Condition
Typ.
2
Max
.
Unit
C
IN
Input Capacitance (for input pins)
V
IN
= 0V
4
6
pF
C
OUT
Output Capacitance (for input/
output pins)
V
OUT
= 0V
8
12
pF
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