SN74LS109 MOTOROLA [Motorola, Inc], SN74LS109 Datasheet
SN74LS109
Manufacturer Part Number
SN74LS109
Description
DUAL JK POSITIVE EDGE-TRIGGERED FLIP-FLOP
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.SN74LS109.pdf
(4 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SN74LS109AN
Manufacturer:
TI/德州仪器
Quantity:
20 000
DUAL JK POSITIVE
EDGE-TRIGGERED FLIP-FLOP
transition clocked JK flip-flops. The clocking operation is independent of rise
and fall times of the clock waveform. The JK design allows operation as a D
flip-flop by simply connecting the J and K pins together.
* Both outputs will be HIGH while both S D and C D are LOW, but the output states
H, h = HIGH Voltage Level
L, I = LOW Voltage Level
X = Don’t Care
l, h (q) = Lower case letters indicate the state of the referenced input (or output)
l, h (q) =
are unpredictable if S D and C D go HIGH simultaneously.
Set
Reset (Clear)
*Undetermined
Load “1” (Set)
Hold
Toggle
Load “0” (Reset)
The SN54/ 74LS109A consists of two high speed completely independent
OPERATING MODE
OPERATING MODE
CLEAR (C D )
one set-up time prior to the LOW to HIGH clock transition.
SET (S D )
1(15)
CLOCK
5(11)
4(12)
2(14)
3(13)
MODE SELECT — TRUTH TABLE
K
J
S D
H
H
H
H
H
L
L
LOGIC DIAGRAM
C D
INPUTS
H
H
H
H
H
L
L
X
X
X
J
h
h
l
l
K
X
X
X
h
h
l
l
FAST AND LS TTL DATA
OUTPUTS
Q
H
H
H
L
q
q
L
Q
H
H
H
L
L
q
q
5-181
6(10)
7(9)
Q
Q
EDGE-TRIGGERED FLIP-FLOP
SN54/74LS109A
16
16
2
4
3
ORDERING INFORMATION
16
LOW POWER SCHOTTKY
1
1
SN54LSXXXJ
SN74LSXXXN Plastic
SN74LSXXXD SOIC
DUAL JK POSITIVE
J
CP
K
1
LOGIC SYMBOL
S D
C D
5
1
Q
Q
V CC = PIN 16
GND = PIN 8
6
7
14
12
13
Ceramic
CASE 751B-03
CASE 620-09
CASE 648-08
J
CP
K
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
PLASTIC
S D
C D
11
15
SOIC
Q
Q
10
9
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SN74LS109 Summary of contents
Page 1
DUAL JK POSITIVE EDGE-TRIGGERED FLIP-FLOP The SN54/ 74LS109A consists of two high speed completely independent transition clocked JK flip-flops. The clocking operation is independent of rise and fall times of the clock waveform. The JK design allows operation as a ...
Page 2
GUARANTEED OPERATING RANGES Symbol Parameter V CC Supply Voltage T A Operating Ambient Temperature Range I OH Output Current — High I OL Output Current — Low DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input ...
Page 3
G - 0.25 (0.010 - SEATING -T- PLANE 0.25 (0.010) ...
Page 4
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of ...