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參數(shù)資料
| 型號： | MC14060BDTR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COUNTER/OSC 14BIT BIN 16TSSOP |
| 標準包裝： | 2,500 |
| 系列： | 4000B |
| 邏輯類型： | 二進制計數(shù)器 |
| 方向： | 上 |
| 元件數(shù)： | 1 |
| 每個元件的位元數(shù)： | 14 |
| 計數(shù)速率： | 17MHz |
| 觸發(fā)器類型： | 負邊沿 |
| 電源電壓： | 3 V ~ 18 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
MC14060B
http://onsemi.com
5
Figure 3. Oscillator Circuit Using RC Configuration
11
RESET
RS
Ctc
Rtc
10OUT 1
9OUT 2
f [
1
2.3 RtcCtc
if 1 kHz ≤ f ≤ 100 kHz
and 2Rtc < RS < 10Rtc
(f in Hz, R in ohms, C in farads)
The formula may vary for other frequencies. Recommended
maximum value for the resistors in 1 MW.
TYPICAL RC OSCILLATOR CHARACTERISTICS
Figure 4. RC Oscillator Stability
Figure 5. RC Oscillator Frequency as a
Function of RTC and C
- 8.0
-12
-16
- 4.0
0
4.0
8.0
125
100
75
50
25
0
-25
-55
TA, AMBIENT TEMPERATURE (°C)
FREQUENCY
DEVIA
TION
(%)
VDD = 15 V
1.0 V
5.0 V
RTC = 56 kW
C = 1000 pF
RS =0, f=10.15kHz @ VDD =10, TA =25°C
RS =120 kW, f=7.8kHz @ VDD =10V, TA =25°C
f,OSCILLA
T
OR
FREQUENCY
(kHz)
100
50
20
10
5
2
1
0.5
0.2
0.1
1.0 k
10 k
100 k
1.0 M
RTC, RESISTANCE (OHMS)
0.0001
0.001
0.01
0.1
C, CAPACITANCE (
mF)
VDD = 10 V
f AS A FUNCTION
OF RTC
(C = 1000 pF)
(RS ≈ 2RTC)
f AS A FUNCTION
OF C
(RTC = 56 kW)
(RS = 120 k)
Figure 6. Typical Crystal Oscillator Circuit
CLOCK
11
RESET
9OUT 2
10OUT 1
18M
RO
CS
CT
Table 2. Typical Data for Crystal Oscillator Circuit
Characteristic
500 kHz
Circuit
32 kHz
Circuit
Unit
Crystal Characteristics
Resonant Frequency
Equivalent Resistance, RS
500
1.0
32
6.2
kHz
kW
External Resistor/Capacitor Values
RO
CT
CS
47
82
20
750
82
20
kW
pF
Frequency Stability
Frequency Changes as a
Function of VDD (TA = 25°C)
VDD Change from 5.0 V to 10V
VDD Change from 10 V to 15 V
Frequency Change as a Function of
Temperature (VDD = 10 V)
TA Change from 55°C to
+25°C Complete Oscillator (Note 6)
TA Change from + 25°C to
+ 125°C Complete Oscillator
(Note 6)
+6.0
+2.0
+100
–160
+2.0
+120
–560
ppm
6. Complete oscillator includes crystal, capacitors, and resistors.
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