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PDF IN74LS244 Data sheet ( Hoja de datos )
| Número de pieza | IN74LS244 | |
| Descripción | Octal Buffer/Line Driver | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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TECHNICAL DATA
Octal 3-State Noninverting Buffer/Line
Driver/Line Receiver
IN74LS244
These octal buffers and line drivers and designed specifically to
improve both the performance and density of three-state memory address
drivers, clock drivers, and busoriented receivers and transmitters.
This devise features high fan-out, improved fan-in, and 400 mV noise
margin.
It can be used to drive terminated lines down to 133 ohms.
• 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
• P-N-P Inputs Reduce D-C Loading
• Hysteresis at Inputs Improves Noise Margins
ORDERING INFORMATION
IN74LS244N Plastic
IN74LS244DW SOIC
TA = 0° to 70° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
www.datasheet4u.cPoPININm1020==GVNCCD
FUNCTION TABLE
Inputs
Enable A,
Enable B
A,B
LL
LH
HX
X=don’t care
Z = high impedance
Outputs
YA,YB
L
H
Z
1
1 page  
N SUFFIX PLASTIC DIP
(MS - 001AD)
IN74LS244
A
20 11
B
1 10
F
C
-T- SEATING
PLANE
N
G KM
D
NOTES:
0.25 (0.010) M T
1. Dimensions “A”, “B” do not include mold flash or protrusions.
Maximum mold flash or protrusions 0.25 mm (0.010) per side.
L
J
H
Dimension, mm
Symbol MIN MAX
A 24.89 26.92
B 6.1 7.11
C 5.33
D 0.36 0.56
F 1.14 1.78
G 2.54
H 7.62
J 0° 10°
K 2.92 3.81
L 7.62 8.26
M 0.2 0.36
N 0.38
D SUFFIX SOIC
(MS - 013AC)
A
20 11
H BP
1 G 10
C
-T-
D
SEATING
K PLANE
J
0.25 (0.010) M T C M
NOTES:
1. Dimensions A and B do not include mold flash or protrusion.
2. Maximum mold flash or protrusion 0.15 mm (0.006) per side
for A; for B ‑ 0.25 mm (0.010) per side.
R x 45
F
Dimension, mm
Symbol MIN MAX
A 12.6
13
B 7.4 7.6
C 2.35 2.65
D 0.33 0.51
F 0.4 1.27
MG
H
1.27
9.53
J 0° 8°
K 0.1 0.3
M 0.23 0.32
P 10 10.65
R 0.25 0.75
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet IN74LS244.PDF ] | |
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