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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 7/23頁(yè) |
| 文件大?。?/td> | 598K |
| 代理商： | SN54AHC123AFK |
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SN54AHC123A, SN74AHC123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SCLS352G
–
JULY 1997
–
REVISED APRIL 2003
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(NPUT)
TO
TEST
TA = 25
°
C
TYP
6.5*
SN54AHC123A
MIN
1*
SN74AHC123A
MIN
1
UNIT
(OUTPUT)
CONDITIONS
MIN
MAX
12*
MAX
14*
MAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
A or B
Q or Q
CL= 15 pF
CL = 15 pF
14
ns
7.1*
12*
1*
14*
1
14
CLR
Q or Q
CL= 15 pF
CL = 15 pF
5.3*
9.4*
1*
11*
1
11
ns
6.5*
9.4*
1*
11*
1
11
CLR t i
CLR trigger
Q or Q
CL= 15 pF
CL = 15 pF
6.9*
12.9*
1*
15*
1
15
ns
7.4*
12.9*
1*
15*
1
15
A or B
Q or Q
CL= 50 pF
CL = 50 pF
7.3
14
1
16
1
16
ns
8.3
14
1
16
1
16
CLR
Q or Q
CL= 50 pF
CL = 50 pF
6.3
11.4
1
13
1
13
ns
7.4
11.4
1
13
1
13
CLR t i
CLR trigger
Q or Q
CL= 50 pF
CL = 50 pF
7.6
14.9
1
17
1
17
ns
8.7
14.9
1
17
1
17
CL = 50 pF,
Cext = 28 pF,
Rext = 2 k
CL = 50 pF,
Cext = 0.01
μ
F,
Rext = 10 k
CL = 50 pF,
Cext = 0.1
μ
F,
Rext = 10 k
167
200
240
240
ns
tw
Q or Q
90
100
110
90
110
90
110
s
0.9
1
1.1
0.9
1.1
0.9
1.1
ms
tw
±
1
%
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
tw = Pulse duration at Q and Q outputs
tw = Output pulse-duration variation (Q and Q) between circuits in same package
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
29
pF
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