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参数资料
| 型号： | SNJ54LV221AW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 谐振器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDFP16 |
| 封装： | GREEN, CERAMIC, DFP-16 |
| 文件页数： | 4/23页 |
| 文件大小： | 662K |
| 代理商： | SNJ54LV221AW |
SN54LV221A, SN74LV221A
DUAL MONOSTABLE MULTIVIBRATORS
WITH SCHMITT TRIGGER INPUTS
SCLS450G DECEMBER 1999 REVISED APRIL 2005
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 6
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
0.00001
0.0001
0.001
TA = 25°C
VCC = 5 V
For Capacitor Values of
0.001
F or Greater, K = 1.0
(K is Independent of R)
Multiplier Factor K
EXTERNAL CAPACITANCE
vs
MULTIPLIER FACTOR
C
T
External
Capacitor
V
alue
F
Figure 7
1.20
1.15
1.10
1.05
1.00
0.95
0.90
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
RT = 10 k
TA = 25°C
tw = K × CT × RT
VCC Supply Voltage V
OUTPUT PULSE DURATION CONSTANT
vs
SUPPLY VOLTAGE
Output
Pulse
Duration
Constant
K
CT = 1000 pF
CT = 0.01 F
CT = 0.1 F
tw Output Pulse Duration
Relative
Frequency
of
Occurrence
DISTRIBUTION OF UNITS
vs
OUTPUT PULSE DURATION
Mean = 856 ns
Median = 856 ns
Std. Dev. = 3.5 ns
VCC = 5 V
TA = 25°C
CT = 50 pF
RT = 10 k
3 Std. Dev.
+3 Std. Dev.
Median
99% of Data Units
Figure 8
Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
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