參數(shù)資料
型號: PIC16C56A-20I/JW
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 20 MHz, RISC MICROCONTROLLER, CDIP18
封裝: 0.300 INCH, WINDOWED, CERDIP-18
文件頁數(shù): 130/158頁
文件大?。?/td> 1194K
代理商: PIC16C56A-20I/JW
2000 Microchip Technology Inc.
Preliminary
DS30453C-page 73
PIC16C54/55/56/57
PIC16C5X
11.0
DC AND AC CHARACTERISTICS - PIC16C54/55/56/57
The graphs and tables provided in this section are for design guidance and are not tested. In some graphs or tables, the
data presented is outside specified operating range (e.g., outside specified VDD range). This is for information only and
devices will operate properly only within the specified range.
The data presented in this section is a statistical summary of data collected on units from different lots over a period of
time. “Typical” represents the mean of the distribution while “max” or “min” represents (mean + 3
σ) and (mean – 3σ)
respectively, where
σ is standard deviation.
FIGURE 11-1: TYPICAL RC OSCILLATOR FREQUENCY vs. TEMPERATURE
TABLE 11-1:
RC OSCILLATOR FREQUENCIES
CEXT
REXT
Average
FOSC @ 5 V, 25
°C
20 pF
3.3 k
4.973 MHz
± 27%
5 k
3.82 MHz
± 21%
10 k
2.22 MHz
± 21%
100 k
262.15 kHz
± 31%
100 pF
3.3 k
1.63 MHz
± 13%
5 k
1.19 MHz
± 13%
10 k
684.64 kHz
± 18%
100 k
71.56 kHz
± 25%
300 pF
3.3 k
660 kHz
± 10%
5.0 k
484.1 kHz
± 14%
10 k
267.63 kHz
± 15%
160 k
29.44 kHz
± 19%
The frequencies are measured on DIP packages.
The percentage variation indicated here is part-to-part variation due to normal process distribution. The variation
indicated is
±3 standard deviations from the average value for VDD = 5 V.
FOSC
FOSC (25
°C)
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
010
20
25
30
40
50
60
70
T(
°C)
Frequency normalized to +25
°C
VDD = 5.5 V
VDD = 3.5 V
REXT
≥ 10 k
CEXT = 100 pF
0.88
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