參數(shù)資料
型號: SN74LV123ADBLE
廠商: TEXAS INSTRUMENTS INC
元件分類: 諧振器
英文描述: LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
封裝: SSOP-16
文件頁數(shù): 5/14頁
文件大?。?/td> 228K
代理商: SN74LV123ADBLE
SN54LV123A, SN74LV123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
WITH SCHMITT-TRIGGER INPUTS
SCLS393C – APRIL 1998 – REVISED AUGUST 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 8
MINIMUM TRIGGER TIME
vs
VCC CHARACTERISTICS
RT = 1 k
TA = 25°C
10.00
0
1.00
0.10
0.01
12
3
4
5
6
CT = 0.01 F
CT = 1000 pF
CT = 100 pF
VCC – Supply Voltage – V
Minimum
Retrigger
T
ime
s
rr
t
Figure 9
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
Figure 10
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 11
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
Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
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