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參數(shù)資料
| 型號(hào)： | SNJ54LV123AFK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS |
| 中文描述： | 雙RETRIGGERABLE單穩(wěn)多諧振蕩器與施密特觸發(fā)輸入 |
| 文件頁(yè)數(shù)： | 6/23頁(yè) |
| 文件大?。?/td> | 535K |
| 代理商： | SNJ54LV123AFK |
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SCLS393O APRIL 1998 REVISED OCTOBER 2005
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
SN54LV123A
MIN
VCC0.1
2
SN74LV123A
MIN
VCC0.1
2
UNIT
TYP
MAX
TYP
MAX
IOH = 50
μ
A
IOH = 2 mA
IOH = 6 mA
IOH = 12 mA
IOL = 50
μ
A
IOL = 2 mA
IOL = 6 mA
IOL = 12 mA
VI = 5.5 V or GND
2 V to 5.5 V
VOH
2.3 V
V
3 V
2.48
2.48
4.5 V
3.8
3.8
2 V to 5.5 V
0.1
0.1
VOL
2.3 V
0.4
0.4
V
3 V
0.44
0.44
4.5 V
0.55
0.55
Rext/Cext
2 V to 5.5 V
±
2.5
±
1
±
1
20
±
2.5
±
1
±
1
20
II
A, B, and CLR
VI = 5.5 V or GND
0
μ
A
0 to 5.5 V
ICC
Quiescent
VI = VCC or GND,
IO = 0
5.5 V
μ
A
2.3 V
220
220
ICC
Active state
(per circuit)
VI = VCC or GND,
Rext/Cext = 0.5 VCC
3 V
280
280
4.5 V
650
650
μ
A
5.5 V
975
975
Ioff
VI or VO = 0 to 5.5 V
0
5
μ
A
Ci
VI = VCC or GND
3.3 V
1.9
1.9
pF
5 V
1.9
1.9
This test is performed with the terminal in the off-state condition.
timing requirements over recommended operating free-air temperature range, V
CC
= 2.5 V
±
0.2 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25
°
C
TYP
SN54LV123A
MIN
6.5
SN74LV123A
MIN
6.5
UNIT
MIN
MAX
MAX
MAX
tw
Pulse
duration
CLR
6
ns
A or B trigger
6
6.5
6.5
trr
Pulse retrigger time
Rext = 1 k
Cext = 100 pF
Cext = 0.01 F
94
ns
2
s
See retriggering data in the
application information
section.
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
SN54LV123A
MIN
5
SN74LV123A
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
Cext = 0.01 F
76
ns
1.8
s
See retriggering data in the
application information
section.
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