參數(shù)資料
型號： MC14536BFL2
廠商： ON SEMICONDUCTOR
元件分類： 時鐘/數(shù)據(jù)恢復及定時提取
英文描述： 1 TIMER(S), PROGRAMMABLE TIMER, PDSO16
封裝： EIAJ, PLASTIC, SOIC-16
文件頁數(shù)： 17/18頁
文件大?。?/td> 328K
代理商： MC14536BFL2
MC14536B
http://onsemi.com
8
Figure 1. RC Oscillator Stability
Figure 2. RC Oscillator Frequency as a
Function of RTC and C
RS = 0, f = 10.15 kHz @ VDD = 10 V, TA = 25°C
RS = 120 k, f = 7.8 kHz @ VDD = 10 V, TA = 25°C
RTC = 56 k,
C = 1000 pF
VDD = 15 V
10 V
5.0 V
8.0
4.0
0
– 4.0
– 8.0
–12
–16
– 55
– 25
0
25
50
75
100
125
TA, AMBIENT TEMPERATURE (°C)*
* Device Only.
FREQUENCY
DEVIA
TION
(%)
TYPICAL RC OSCILLATOR CHARACTERISTICS
(For Circuit Diagram See Figure 11 In Application)
100
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
1.0 k
10 k
100 k
1.0 M
0.0001
0.001
0.01
0.1
RTC, RESISTANCE (OHMS)
C, CAPACITANCE (
F)
f,OSCILLA
T
OR
FREQUENCY
(kHz)
f AS A FUNCTION
OF C
(RTC = 56 k)
(RS = 120 k)
f AS A FUNCTION
OF RTC
(C = 1000 pF)
(RS ≈ 2RTC)
VDD = 10 V
Figure 3. Typical CX versus Pulse Width
@ VDD = 5.0 V
Figure 4. Typical CX versus Pulse Width
@ VDD = 10 V
100
0.1
1.0
10
1000
100
10
1.0
CX, EXTERNAL CAPACITANCE (pF)
,PU
LSE
W
IDT
H
(
t W
s)
RX = 100 k
50 k
10 k
5 k
TA = 25°C
VDD = 5 V
FORMULA FOR CALCULATING tW IN
MICROSECONDS IS AS FOLLOWS:
tW = 0.00247 RX CX 0.85
WHERE R IS IN k
, CX IN pF.
1000
100
10
1.0
CX, EXTERNAL CAPACITANCE (pF)
100
0.1
1.0
10
,PULSE
WIDTH
(
t W
s)
FORMULA FOR CALCULATING tW IN
MICROSECONDS IS AS FOLLOWS:
tW = 0.00247 RX CX 0.85
WHERE R IS IN k
, CX IN pF.
RX = 100 k
50 k
10 k
5 k
TA = 25°C
VDD = 10 V
Figure 5. Typical CX versus Pulse Width
@ VDD = 15 V
1000
100
10
1.0
CX, EXTERNAL CAPACITANCE (pF)
100
0.1
1.0
10
,PULSE
WIDTH
(
t W
s)
FORMULA FOR CALCULATING tW IN
MICROSECONDS IS AS FOLLOWS:
tW = 0.00247 RX CX 0.85
WHERE R IS IN k
, CX IN pF.
RX = 100 k
50 k
10 k
5 k
TA = 25°C
VDD = 15 V
MONOSTABLE CHARACTERISTICS
(For Circuit Diagram See Figure 10 In Application)
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