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PDF 74LS68 Data sheet ( Hoja de datos )
| Número de pieza | 74LS68 | |
| Descripción | LOW POWER SCHOTTKY | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 74LS68 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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SN74LS682 SN74LS684
SN74LS688
8-Bit Magnitude
Comparators
The SN74LS682, 684, 688 are 8-bit magnitude comparators. These
device types are designed to perform comparisons between two
eight-bit binary or BCD words. All device types provide P = Q outputs
and the LS682 and LS684 have P >Q outputs also.
The LS682, LS684 and LS688 are totem pole devices. The LS682
has a 20 kΩ pullup resistor on the Q inputs for analog or switch data.
TYPE
LS682
LS684
LS688
P=Q
yes
yes
yes
P>Q
yes
yes
no
OUTPUT
OUTPUT
ENABLE CONFIGURATION
no totem-pole
no totem-pole
yes totem-pole
PULLUP
yes
no
no
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC Supply Voltage
TA Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0 25 70 °C
IOH Output Current – High
IOL Output Current – Low
– 0.4
24
mA
mA
http://onsemi.com
LOW
POWER
SCHOTTKY
20
1
PLASTIC
N SUFFIX
CASE 738
20
1
SOIC
DW SUFFIX
CASE 751D
ORDERING INFORMATION
Device
Package
Shipping
SN74LS682N 16 Pin DIP 1440 Units/Box
SN74LS682DW 16 Pin
2500/Tape & Reel
SN74LS684N 16 Pin DIP 1440 Units/Box
SN74LS684DW 16 Pin
2500/Tape & Reel
SN74LS688N 16 Pin DIP 1440 Units/Box
SN74LS688DW 16 Pin
2500/Tape & Reel
© Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1
Publication Order Number:
SN74LS682/D
1 page  
SN74LS682 SN74LS684 SN74LS688
AC CHARACTERISTICS (TA = 25°C)
SN74LS682
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
SN74LS684
Parameter
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, P to P > Q
Propagation Delay, Q to P > Q
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
SN74LS688
Parameter
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, P to P > Q
Propagation Delay, Q to P > Q
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Parameter
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, G , G1 to P = Q
Limits
Min Typ Max
13 25
15 25
14 25
15 25
20 30
15 30
21 30
19 30
Limits
Min Typ Max
15 25
17 25
16 25
15 25
22 30
17 30
24 30
20 30
Limits
Min Typ Max
12 18
17 23
12 18
17 23
12 18
13 20
Unit
ns
ns
ns
ns
Unit
ns
ns
ns
ns
Unit
ns
ns
ns
Test Conditions
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
Test Conditions
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
Test Conditions
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
http://onsemi.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74LS68.PDF ] | |
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