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SN74AHC123A 数据表(PDF) 5 Page - Texas Instruments

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部件名 SN74AHC123A
功能描述  DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
Download  23 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74AHC123A 数据表(HTML) 5 Page - Texas Instruments

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SN54AHC123A, SN74AHC123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SCLS352H − JULY 1997 − REVISED OCTOBER 2005
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
SN54AHC123A
SN74AHC123A
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
2
1.9
1.9
IOH = −50 mA
3 V
2.9
3
2.9
2.9
VOH
IOH = −50 mA
4.5 V
4.4
4.5
4.4
4.4
V
VOH
IOH = −4 mA
3 V
2.58
2.48
2.48
V
IOH = −8 mA
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 mA
3 V
0.1
0.1
0.1
VOL
IOL = 50 mA
4.5 V
0.1
0.1
0.1
V
VOL
IOL = 4 mA
3 V
0.36
0.5
0.44
V
IOL = 8 mA
4.5 V
0.36
0.5
0.44
II
Rext/Cext†
VI = VCC or GND
5.5 V
±0.25
±2.5
±2.5
A
II
A, B, and CLR
VI = VCC or GND
0 V to 5.5 V
±0.1
±1*
±1
mA
ICC
Quiescent
VI = VCC or GND, IO = 0
5.5 V
4
40
40
mA
Active state
VI = VCC or GND,
3 V
160
250
280
280
ICC
Active state
(per circuit)
VI = VCC or GND,
Rext/Cext = 0.5 VCC
4.5 V
280
500
650
650
mA
ICC
(per circuit)
Rext/Cext = 0.5 VCC
5.5 V
360
750
975
975
mA
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, VCC = 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25°C
SN54AHC123A
SN74AHC123A
UNIT
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse
CLR
5
5
5
ns
tw
Pulse
duration
A or B trigger
5
5
5
ns
trr
Pulse retrigger time
Rext = 1 kΩ, Cext = 100 pF
76
ns
trr
Pulse retrigger time
Rext = 1 kΩ, Cext = 0.01 mF
1.8
ms
‡ See retriggering data in the application information section.
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25°C
SN54AHC123A
SN74AHC123A
UNIT
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse
CLR
5
5
5
ns
tw
Pulse
duration
A or B trigger
5
5
5
ns
trr
Pulse retrigger time
Rext = 1 kΩ, Cext = 100 pF
59
ns
trr
Pulse retrigger time
Rext = 1 kΩ, Cext = 0.01 mF
1.5
ms
‡ See retriggering data in the application information section.


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