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參數(shù)資料
| 型號： | SN54LV123A |
| 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 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 224K |
| 代理商： | SN54LV123A |
SN54LV123A, SN74LV123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
WITH SCHMITT-TRIGGER INPUTS
SCLS393A – APRIL 1998 – REVISED DECEMBER 1999
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
VCC–0.1
2
SN74LV123A
MIN
VCC–0.1
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 = VCC 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
A, B, and CLR
VI= VCCor GND
VI = VCC or GND
0 V
μ
A
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
μ
A
4.5 V
650
650
5.5 V
975
975
Ioff
VI or VO = 0 to 5.5 V
0 V
5
μ
A
Ci
VI= VCCor GND
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
t= 1 k
Cext = 100 pF
Cext = 0.01 F
94
ns
2
s
See retriggering data in the application informationsection.
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
t= 1 k
Cext = 100 pF
Cext = 0.01 F
76
ns
1.8
s
See retriggering data in the application informationsection.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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