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參數(shù)資料
| 型號： | SN54AHCT123AFKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 諧振器 |
| 英文描述： | AHCT/VHCT SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CQCC20 |
| 封裝： | CERAMIC, CC-20 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 163K |
| 代理商： | SN54AHCT123AFKR |
SN54AHCT123A, SN74AHCT123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SCLS420C – JUNE 1998 – REVISED DECEMBER 1999
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
SN54AHCT123A
SN74AHCT123A
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VOH
IOH = –50 mA
45 V
4.4
4.5
4.4
V
VOH
IOH = –8 mA
4.5 V
3.94
3.8
V
VOL
IOL = 50 mA
45 V
0.1
V
VOL
IOL = 8 mA
4.5 V
0.36
0.5
0.44
V
Rext/Cext
VI = VCC or GND
5.5 V
±0.25
±2.5
II
A B and CLR
VI =VCC or GND
0 V
±0.1
±1
mA
A, B, and CLR
VI = VCC or GND
5.5 V
±0.1
±1
ICC
Quiescent
VI = VCC or GND,
IO = 0
5.5 V
4
40
mA
ICC
Active state
(per circuit)
VI = VCC or GND,
Rext/Cext = 0.5 VCC
5.5 V
560
750
975
mA
Ci
VI = VCC or GND
5 V
1.9
10
pF
This test is performed with the terminal in the off-state condition.
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
TEST
TA = 25°C
SN54AHCT123A
SN74AHCT123A
UNIT
CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
t
Pulse duration
CLR
5
ns
tw
Pulse duration
A or B trigger
5
ns
t
Pulse retrigger time
Rext = 1 k,
Cext = 100 pF
60
ns
trr
Pulse retrigger time
Rext = 1 k,
Cext = 0.01 mF
1.5
ms
See retriggering data in the application information section.
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