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Número de pieza | IN74LS245 | |
Descripción | Octal Bus Transceiver | |
Fabricantes | IK Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de IN74LS245 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
No Preview Available ! TECHNICAL DATA
Octal 3-State Noninverting
Bus Transceiver
IN74LS245
These octal bus transceiver are designed for asynchronous two-way
communication between data buses. The control function implementation
minimized external timing requirements.
The device allows data transmission from the A bus to the B bus or
from the B bus to the A bus depending upon the logic level at the
directional control (DIR) input. The enable input(E) can be used to
disable the device so that the buses are effectively isolated.
• Bidirectional Bus Transceiver in a High-Density 20-Pin Package
• 3-state Outputs Dirve Bus Lines Directly
• P-N-P Inputs D-C Loading on Bus Lines
• Hysteresis at Bus Inputs Improve Noise Margins
• Typical Propagation Delay Times; Port to Port ... 8 ns
ORDERING INFORMATION
IN74LS245N Plastic
IN74LS245DW SOIC
TA = 0° to 70° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
www.datasheet4u.cPoPININm1020==GVNCCD
FUNCTION TABLE
Control Inputs
Output Direction
Enable
Operation
L L Data Transmitted
from Bus B to
Bus A
L H Data Transmitted
from Bus A to
Bus B
H X Buses Isolated
(High Impedance
State)
X = don’t care
1
1 page N SUFFIX PLASTIC DIP
(MS - 001AD)
IN74LS245
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 IN74LS245.PDF ] |
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