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SN54/74LS279 QUAD SET-RESET LATCH
VCC 16
S1 15
R 14
Q 13
S1 12
S2 11
R 10
Q 9
QUAD SET-RESET LATCH
LOW POWER SCHOTTKY
1 R
2 S1
3 S2
4 Q
5 R
6 S1
7 Q
8 GND
16 1
J SUFFIX CERAMIC CASE 620-09
TRUTH TABLE
INPUT S1 L L X H H S2 L X L H H R L H H L H OUTPUT (Q) h H H L No Change
16 1
N SUFFIX PLASTIC CASE 648-08
L = LOW Voltage Level H = HIGH Voltage Level X = Don’t Care h = The output is HIGH as long as h = S1 or S2 is LOW.
SN54LS279 Datasheet
