SN54ALS109A_15 Datasheet, PDF (2/19 Pages) Texas Instruments – DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET

SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A
DUAL JĆK POSITIVEĆEDGEĆTRIGGERED FLIPĆFLOPS
WITH CLEAR AND PRESET
SDAS198B − APRIL 1982 − REVISED AUGUST 1995
logic symbol^†
5
1PRE
2
1J
4
1CLK
3
1K
1
1CLR
11
2PRE
14
2J
12
2CLK
13
2K
15
2CLR
S
1J
C1
1K
R
6
1Q
7
1Q
10
2Q
9
2Q
† _{This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.}
Pin numbers shown are for the D, J, and N packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)^‡
Supply voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage, V_I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Operating free-air temperature range, T_A: SN54ALS109A . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C
SN74ALS109A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
VCC
VIH
VIL
IOH
IOL
fclock
Supply voltage
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Clock frequency
tw
Pulse duration
tsu
Setup time before CLK↑
th
Hold time after CLK↑
TA
Operating free-air temperature
PRE or CLR low
CLK high
CLK low
Data
PRE or CLR inactive
Data
SN54ALS109A
MIN NOM MAX
4.5
5 5.5
2
0.7
− 0.4
4
0
30
15
16.5
16.5
15
10
0
− 55
125
SN74ALS109A
MIN NOM MAX
4.5
5 5.5
2
0.8
− 0.4
8
0
34
15
14.5
14.5
15
10
0
0
70
UNIT
V
V
V
mA
mA
MHz
ns
ns
ns
°C
2
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