參數(shù)資料
型號: SN74LV123ATPWREP
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: PLASTIC, TSSOP-16
文件頁數(shù): 11/12頁
文件大小: 309K
代理商: SN74LV123ATPWREP
SN74LV123AEP
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
WITH SCHMITT TRIGGER INPUTS
SCLS498A MAY 2003 REVISED MAY 2004
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 2
OUTPUT PULSE DURATION
vs
EXTERNAL TIMING CAPACITANCE
1.00E+07
t
w
Output
Pulse
Duration
ns
1.00E+06
1.00E+05
1.00E+04
1.00E+03
1.00E+02
CT External Timing Capacitance pF
101
102
103
104
105
VCC = 3 V
TA = 25°C
RT = 1 M
RT = 100 k
RT = 10 k
RT = 1 k
Figure 3
OUTPUT PULSE DURATION
vs
EXTERNAL TIMING CAPACITANCE
1.00E+07
t
w
Output
Pulse
Duration
ns
1.00E+06
1.00E+05
1.00E+04
1.00E+03
1.00E+02
CT External Timing Capacitance pF
101
102
103
104
105
RT = 1 M
RT = 100 k
RT = 10 k
RT = 1 k
VCC = 4.5 V
TA = 25°C
Figure 4
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 5
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 = 1 F, CT = 0.1 F
Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
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