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SN74LS109A Datasheet(PDF) 2 Page - ON Semiconductor

Part No. SN74LS109A
Description  LOW POWER SCHOTTKY
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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SN74LS109A
http://onsemi.com
2
LOGIC DIAGRAM
SET (SD)
CLEAR (CD)
5(11)
1(15)
CLOCK
4(12)
J
2(14)
K
3(13)
Q
6(10)
Q
7(9)
LOGIC SYMBOL
VCC = PIN 16
GND = PIN 8
511
2
4
3
6
7
1
14
12
13
10
9
15
J
Q
CP
K
Q
SD
CD
J
Q
CP
K
Q
SD
CD
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
VOH
Output HIGH Voltage
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VO
Output LOW Voltage
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
per Truth Table
IIH
Input HIGH Current
J, K, Clock
Set, Clear
20
40
µA
VCC = MAX, VIN = 2.7 V
IH
J, K, Clock
Set, Clear
0.1
0.2
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
J, K, Clock
Set, Clear
– 0.4
– 0.8
mA
VCC = MAX, VIN = 0.4 V
IOS
Output Short Circuit Current (Note 1)
–20
– 100
mA
VCC = MAX
ICC
Power Supply Current
8.0
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.




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