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參數(shù)資料
| 型號： | SN54AHC123AFK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS |
| 中文描述： | 雙RETRIGGERABLE單穩(wěn)態(tài)多頻振蕩器 |
| 文件頁數(shù)： | 12/23頁 |
| 文件大小： | 598K |
| 代理商： | SN54AHC123AFK |
SN54AHC123A, SN74AHC123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SCLS352G
–
JULY 1997
–
REVISED APRIL 2003
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Figure 7
MINIMUM TRIGGER TIME
vs
V
CC
CHARACTERISTICS
RT = 1 k
TA = 25
°
C
10.00
0
1.00
0.10
0.01
1
2
3
4
5
6
CT = 0.01
μ
F
CT = 1000 pF
CT = 100 pF
VCC
–
Supply Voltage
–
V
M
–
μ
s
r
–
t
Figure 8
1.20
1.15
1.10
1.05
1.00
0.95
0.901.5
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
Figure 9
1.00 1.50 2.00
2.50 3.00 3.50 4.00 4.50
Multiplier Factor
–
K
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)
EXTERNAL CAPACITANCE
vs
MULTIPLIER FACTOR
C
T
–
–
μ
F
Figure 10
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.
+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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