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NAND Gate. 74LS26 Datasheet

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NAND Gate. 74LS26 Datasheet






74LS26 Gate. Datasheet pdf. Equivalent




74LS26 Gate. Datasheet pdf. Equivalent





Part

74LS26

Description

Quad 2-Input NAND Gate

Manufacture

Fairchild Semiconductor

Datasheet
Download 74LS26 Datasheet


Fairchild Semiconductor 74LS26

74LS26; DM74LS26 Quad 2-Input NAND Gate with Hig h Voltage Open-Collector Outputs Augus t 1986 Revised March 2000 DM74LS26 Qua d 2-Input NAND Gate with High Voltage O pen-Collector Outputs General Descript ion This device contains four independe nt gates each of which performs the log ic NAND function. The open-collector ou tputs require external pull-up resistor s for proper logic.


Fairchild Semiconductor 74LS26

al operation. These gates feature high-v oltage output ratings (up to 15V) for i nterfacing with 12V systems. Although t he outputs are rated for 15V, the devic e supply is still rated for 5V. Pull-U p Resistor Equations Where: N1 (IOH) = total maximum output high current for all outputs tied to pull-up resistor N 2 (IIH) = total maximum input high curr ent for all inputs.


Fairchild Semiconductor 74LS26

tied to pull-up resistor N3 (IIL) = tot al maximum input low current for all in puts tied to pull-up resistor Ordering Code: Order Number Package Number Pa ckage Description DM74LS26M M14A 14- Lead Small Outline Integrated Circuit ( SOIC), JEDEC MS-120, 0.150 Narrow DM74 LS26N N14A 14-Lead Plastic Dual-In-Li ne Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also.



Part

74LS26

Description

Quad 2-Input NAND Gate

Manufacture

Fairchild Semiconductor

Datasheet
Download 74LS26 Datasheet




 74LS26
August 1986
Revised March 2000
DM74LS26
Quad 2-Input NAND Gate
with High Voltage Open-Collector Outputs
General Description
This device contains four independent gates each of which
performs the logic NAND function. The open-collector out-
puts require external pull-up resistors for proper logical
operation.
These gates feature high-voltage output ratings (up to 15V)
for interfacing with 12V systems. Although the outputs are
rated for 15V, the device supply is still rated for 5V.
Pull-Up Resistor Equations
Where:
N1 (IOH) = total maximum output high current
for all outputs tied to pull-up resistor
N2 (IIH) = total maximum input high current for
all inputs tied to pull-up resistor
N3 (IIL) = total maximum input low current for
all inputs tied to pull-up resistor
Ordering Code:
Order Number Package Number
Package Description
DM74LS26M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
DM74LS26N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Y = AB
Inputs
A
B
L
L
L
H
H
L
H
H
H = HIGH Logic Level
L = LOW Logic Level
Output
Y
H
H
H
L
© 2000 Fairchild Semiconductor Corporation DS006358
www.fairchildsemi.com





 74LS26
Absolute Maximum Ratings(Note 1)
Supply Voltage
7V
Input Voltage
7V
Output Voltage
15V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
65°C to +150°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
VOH
IOL
TA
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Voltage
LOW Level Output Current
Free Air Operating Temperature
Min
Nom
Max
Units
4.75
5
5.25
V
2
V
0.8
V
15
V
8
mA
0
70
°C
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
VI
ICEX
Input Clamp Voltage
HIGH Level
Output Current
VOL
LOW Level
Output Voltage
II
Input Current @ Max
Input Voltage
IIH
HIGH Level Input Current
IIL
LOW Level Input Current
ICCH
Supply Current with Outputs HIGH
ICCL
Supply Current with Outputs LOW
Note 2: All typicals are at VCC = 5V, TA = 25°C.
VCC = Min, II = −18 mA
VCC = Min
VIL = Max
VCC = Min, IOL = Max
VIH = Min
IOL = 4 mA, VCC = Min
VCC = Max, VI = 7V
VI = 5.5V
VCC = Max, VI = 2.7V
VCC = Max, VI = 0.4V
VCC = Max
VCC = Max
VO = 15V
VO = 12V
Typ
Min
Max
(Note 2)
1.5
1000
50
Units
V
µA
0.35
0.5
V
0.25
0.4
0.1
mA
20
µA
0.36
mA
0.8
1.6
mA
2.4
4.4
mA
Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
Parameter
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
RL = 2 k
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
20
45
15
20
Units
ns
ns
www.fairchildsemi.com
2





 74LS26
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
Package Number M14A
3
www.fairchildsemi.com



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