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SN74ALS109A データシート(PDF) 4 Page - Texas Instruments

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部品番号 SN74ALS109A
部品情報  DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET
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SN74ALS109A データシート(HTML) 4 Page - Texas Instruments

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SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A
DUAL JK POSITIVEEDGETRIGGERED FLIPFLOPS
WITH CLEAR AND PRESET
SDAS198B − APRIL 1982 − REVISED AUGUST 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54AS109A
−55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74AS109A
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
−65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54AS109A
SN74AS109A
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
IOH
High-level output current
−2
−2
mA
IOL
Low-level output current
20
20
mA
fclock*
Clock frequency
0
90
0
105
MHz
PRE or CLR low
4
4
tw*
Pulse duration
CLK high
4
4
ns
tw*
Pulse duration
CLK low
5.5
5.5
ns
tsu*
Setup time before CLK
Data
5.5
5.5
ns
tsu*
Setup time before CLK
PRE or CLR inactive
2
2
ns
th*
Hold time after CLK
Data
0
0
ns
TA
Operating free-air temperature
−55
125
0
70
°C
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS109A
SN74AS109A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP‡
MAX
MIN
TYP‡
MAX
UNIT
VIK
VCC = 4.5 V,
II = −18 mA
−1.2
−1.2
V
VOH
VCC = 4.5 V to 5.5 V,
IOH = − 2 mA
VCC −2
VCC −2
V
VOL
VCC = 4.5 V,
IOL = 20 mA
0.25
0.5
0.25
0.5
V
II
VCC = 5.5 V,
VI = 7 V
0.1
0.1
mA
IIH
CLK, J, or K
VCC = 5.5 V,
VI = 2.7 V
20
20
A
IIH
PRE or CLR
VCC = 5.5 V,
VI = 2.7 V
40
40
µA
IIL
CLK, J, or K
VCC = 5.5 V,
VI = 0.4 V
− 0.5
− 0.5
mA
IIL
PRE or CLR
VCC = 5.5 V,
VI = 0.4 V
−1.8
−1.8
mA
IO§
VCC = 5.5 V,
VO = 2.25 V
−30
−112
−30
−112
mA
ICC
VCC = 5.5 V,
See Note 1
11.5
17
11.5
17
mA
‡ All typical values are at VCC = 5 V, TA = 25°C.
§ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
NOTE 1: ICC is measured with J, K, CLK, and PRE grounded, then with J, K, CLK, and CLR grounded.


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