參數(shù)資料
型號(hào)： SN54AHCT123AFK
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)： 4/21頁(yè)
文件大?。?/td> 570K
代理商： SN54AHCT123AFK
SN54AHCT123A, SN74AHCT123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SCLS420G
–
JUNE 1998
–
REVISED APRIL 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54AHCT123A
MIN
SN74AHCT123A
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
IOH
IOL
Rext
t/
VCC
TA
NOTE 4: Unused Rext/Cext terminals should be left unconnected. All remaining unused inputs of the device must be held at VCC or GND to ensure
proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
Supply voltage
4.5
5.5
4.5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
5.5
0
5.5
V
Output voltage
0
VCC
–
8
0
VCC
–
8
V
High-level output current
mA
Low-level output current
8
8
mA
ms/V
°
C
External timing resistance
1k
1k
Power-up ramp rate
1
1
Operating free-air temperature
–
55
125
–
40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
MIN
4.4
SN54AHCT123A
MIN
4.4
SN74AHCT123A
MIN
4.4
UNIT
TYP
4.5
MAX
MAX
MAX
VOH
IOH =
–
50 A
IOH =
–
8 mA
IOL = 50 A
IOL = 8 mA
VI = VCC or GND
4 5 V
4.5 V
V
3.94
3.8
3.8
VOL
4 5 V
4.5 V
0.1
0.1
0.1
V
0.36
±
0.25
0.5
±
2.5
0.44
±
2.5
Rext/Cext
A, B,
and CLR
5.5 V
II
VI = VCC or GND
0 V to 5.5 V
±
0.1
±
1*
±
1
A
ICC
Quiescent
VI = VCC or GND,
VI = VCC or GND,
Rext/Cext = 0.5 VCC
One input at 3.4 V, Other
inputs at VCC or GND
VI = VCC or GND
IO = 0
5.5 V
4
40
40
A
ICC
Active state
(per circuit)
5.5 V
560
750
975
975
A
ICC
5.5 V
1.35
1.5
1.5
mA
Ci
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.
This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.
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
SN54AHCT123A
MIN
5
SN74AHCT123A
MIN
5
UNIT
MIN
MAX
MAX
MAX
tw
Pulse
duration
CLR
5
ns
A or B trigger
5
§
5
§
5
§
t
Pulse retrigger time
Rext = 1 k
, Cext = 100 pF
Rext = 1 k
, Cext = 0.01 F
60
ns
§
1.5
§
§
s
§
See retriggering data in the
application information
section.
相關(guān)PDF資料
PDF描述
SN54AHCT123AJ DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SN54AHCT123AW DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SN74AHCT123ADGV DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SN74AHCT123APW DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN54AHCT123AJ 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SN54AHCT123AW 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SN54AHCT125 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS
SN54AHCT125_07 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS
SN54AHCT125_08 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS
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