參數(shù)資料
型號(hào)： SN54AHC123AW
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)： 5/23頁(yè)
文件大小： 598K
代理商： SN54AHC123AW
SN54AHC123A, SN74AHC123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SCLS352G
–
JULY 1997
–
REVISED APRIL 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
MIN
1.9
SN54AHC123A
MIN
1.9
SN74AHC123A
MIN
1.9
UNIT
TYP
MAX
MAX
MAX
2 V
2
IOH =
–
50 A
3 V
2.9
3
2.9
2.9
VOH
4.5 V
4.4
4.5
4.4
4.4
V
IOH =
–
4 mA
IOH =
–
8 mA
3 V
2.58
2.48
2.48
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 A
3 V
0.1
0.1
0.1
VOL
4.5 V
0.1
0.1
0.1
V
IOL = 4 mA
IOL = 8 mA
VI = VCC or GND
VI = VCC or GND
VI = VCC or GND,
3 V
0.36
0.5
0.44
4.5 V
0.36
0.5
0.44
II
Rext/Cext
A, B, and CLR
Quiescent
5.5 V
±
0.25
±
0.1
±
2.5
±
1*
±
2.5
±
1
A
0 V to 5.5 V
ICC
IO = 0
5.5 V
4
40
40
A
A ti
Active state
(per circuit)
( er circuit)
t t
VI = VCC or GND,
Rext/Cext= 0 5 VCC
Rext/Cext = 0.5 VCC
3 V
160
250
280
280
ICC
4.5 V
280
500
650
650
A
5.5 V
360
750
975
975
Ci
VI = VCC or GND
5 V
1.9
10
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
This test is performed with the terminal in the off-state condition.
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V
±
0.3 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25
°
C
TYP
SN54AHC123A
MIN
5
SN74AHC123A
MIN
5
UNIT
MIN
MAX
MAX
MAX
tw
Pulse
duration
CLR
5
ns
A or B trigger
5
5
5
trr
Pulse retrigger time
Rext = 1 k
, Cext = 100 pF
Rext = 1 k
, Cext = 0.01 F
76
ns
1.8
s
See retriggering data in the
application information
section.
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25
°
C
TYP
SN54AHC123A
MIN
5
SN74AHC123A
MIN
5
UNIT
MIN
MAX
MAX
MAX
tw
Pulse
duration
CLR
5
ns
A or B trigger
5
5
5
trr
Pulse retrigger time
Rext = 1 k
, Cext = 100 pF
Rext = 1 k
, Cext = 0.01 F
59
ns
1.5
s
See retriggering data in the
application information
section.
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