SN74LS279D

Manufacturer Part NumberSN74LS279D
DescriptionQUAD SET-RESET LATCH
ManufacturerMotorola
SN74LS279D datasheet
 


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QUAD SET-RESET LATCH
V CC
S 1
R
Q
S 1
16
15
14
13
12
1
2
3
4
5
R
S 1
S 2
Q
R
TRUTH TABLE
INPUT
S 1
S 2
R
L
L
L
L
X
H
X
L
H
H
H
L
H
H
H
L = LOW Voltage Level
H = HIGH Voltage Level
X = Don’t Care
h = The output is HIGH as long as
h =
S 1 or S 2 is LOW. If all inputs go
h =
HIGH simultaneously, the output
h =
state is indeterminate; otherwise,
h =
it follows the Truth Table
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
S 2
R
Q
11
10
9
6
7
8
S 1
Q
GND
OUTPUT
(Q)
h
H
H
L
No Change
54
74
54
74
54, 74
54
74
FAST AND LS TTL DATA
5-452
SN54/74LS279
QUAD SET-RESET LATCH
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 620-09
16
1
N SUFFIX
PLASTIC
CASE 648-08
16
1
D SUFFIX
SOIC
16
CASE 751B-03
1
ORDERING INFORMATION
SN54LSXXXJ
Ceramic
SN74LSXXXN
Plastic
SN74LSXXXD
SOIC
Min
Typ
Max
Unit
4.5
5.0
5.5
V
4.75
5.0
5.25
– 55
25
125
C
0
25
70
– 0.4
mA
4.0
mA
8.0

SN74LS279D Summary of contents

  • Page 1

    QUAD SET-RESET LATCH TRUTH TABLE INPUT ...

  • Page 2

    DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input HIGH Voltage Input LOW Voltage Input LOW Voltage V IK Input Clamp Diode Voltage Output HIGH Voltage Output HIGH ...

  • 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 the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...