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MC74HCT244A Datasheet(PDF) 6 Page - ON Semiconductor

Part No. MC74HCT244A
Description  Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74HCT244A Datasheet(HTML) 6 Page - ON Semiconductor

   
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MC74HCT244A
http://onsemi.com
6
PACKAGE DIMENSIONS
TSSOP–20
DT SUFFIX
CASE 948E–02
ISSUE A
DIM
A
MIN
MAX
MIN
MAX
INCHES
6.60
0.260
MILLIMETERS
B
4.30
4.50
0.169
0.177
C
1.20
0.047
D
0.05
0.15
0.002
0.006
F
0.50
0.75
0.020
0.030
G
0.65 BSC
0.026 BSC
H
0.27
0.37
0.011
0.015
J
0.09
0.20
0.004
0.008
J1
0.09
0.16
0.004
0.006
K
0.19
0.30
0.007
0.012
K1
0.19
0.25
0.007
0.010
L
6.40 BSC
0.252 BSC
M
0
8
0
8
__
_
_
NOTES:
1.
DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2.
CONTROLLING DIMENSION: MILLIMETER.
3.
DIMENSION A DOES NOT INCLUDE MOLD
FLASH, PROTRUSIONS OR GATE BURRS. MOLD
FLASH OR GATE BURRS SHALL NOT EXCEED
0.15 (0.006) PER SIDE.
4.
DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION SHALL NOT
EXCEED 0.25 (0.010) PER SIDE.
5.
DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN
EXCESS OF THE K DIMENSION AT MAXIMUM
MATERIAL CONDITION.
6.
TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7.
DIMENSION A AND B ARE TO BE
DETERMINED AT DATUM PLANE –W–.
110
11
20
PIN 1
IDENT
A
B
–T–
0.100 (0.004)
C
D
G
H
SECTION N–N
K
K1
JJ1
N
N
M
F
–W–
SEATING
PLANE
–V–
–U–
S
U
M
0.10 (0.004)
V S
T
20X
REF
K
L
L/2
2X
S
U
0.15 (0.006) T
DETAIL E
0.25 (0.010)
DETAIL E
6.40
0.252
–––
–––
S
U
0.15 (0.006) T


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