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| 型號： | SNJ54LV221AJ |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Small Signal NPN; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
| 中文描述： | 施密特觸發(fā)輸入與雙單穩(wěn)態(tài)多頻振蕩器 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 436K |
| 代理商： | SNJ54LV221AJ |
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
μ
F or Greater, K = 1.0
(K is Independent of R)
Multiplier Factor K
EXTERNAL CAPACITANCE
vs
MULTIPLIER FACTOR
C
T
μ
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
O
CT = 1000 pF
CT = 0.01
μ
F
CT = 0.1
μ
F
tw Output Pulse Duration
R
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.
99% of Data Units
+3 Std. Dev.
Median
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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