mc74vhct245a ON Semiconductor, mc74vhct245a Datasheet - Page 6

• Manufacturer Part Number: mc74vhct245a
• Description: Octal Bus Transceiver
• Manufacturer: ON Semiconductor

0.15 (0.006) T
0.15 (0.006) T
20
1
L
2X
−T−
U
PIN 1
IDENT
U
18X
L/2
20X
C
0.100 (0.004)
S
S
SEATING
PLANE
e
B
0.25
D
20
1
D
M
T
A
20X
S
−V−
0.10 (0.004)
K
A
B
10
11
REF
S
G
A1
B
E
A
A
H
T
M
PACKAGE DIMENSIONS
SEATING
PLANE
10
11
T
MC74VHCT245A
U
http://onsemi.com
−U−
CASE 751D−05
CASE 948E−02
S
B
SOIC−20 WB
DW SUFFIX
D5 SUFFIX
TSSOP−20
ISSUE G
V
ISSUE B
S
6
J J1
N
C
N
Í Í Í Í
Í Í Í Í
Í Í Í Í
DETAIL E
SECTION N−N
DETAIL E
F
q
K1
0.25 (0.010)
K
M
NOTES:
1. DIMENSIONS ARE IN MILLIMETERS.
2. INTERPRET DIMENSIONS AND TOLERANCES
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE DAMBAR
−W−
PER ASME Y14.5M, 1994.
PROTRUSION.
PROTRUSION. ALLOWABLE PROTRUSION
SHALL BE 0.13 TOTAL IN EXCESS OF B
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
DIM
A1
A
B
C
D
E
H
h
L
q
e
NOTES:
12.65
10.05
1. DIMENSIONING AND TOLERANCING
2. CONTROLLING DIMENSION:
3. DIMENSION A DOES NOT INCLUDE
4. DIMENSION B DOES NOT INCLUDE
5. DIMENSION K DOES NOT INCLUDE
6. TERMINAL NUMBERS ARE SHOWN
7. DIMENSION A AND B ARE TO BE
MILLIMETERS
MIN
2.35
0.10
0.35
0.23
7.40
0.25
0.50
PER ANSI Y14.5M, 1982.
MILLIMETER.
MOLD FLASH, PROTRUSIONS OR GATE
BURRS. MOLD FLASH OR GATE BURRS
SHALL NOT EXCEED 0.15 (0.006) PER
SIDE.
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION
SHALL NOT EXCEED 0.25 (0.010) PER
SIDE.
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08
(0.003) TOTAL IN EXCESS OF THE K
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
FOR REFERENCE ONLY.
DETERMINED AT DATUM PLANE −W−.
1.27 BSC
0
DIM
J1
K1
A
B
C
D
G
H
K
M
_
F
J
L
12.95
10.55
MAX
2.65
0.25
0.49
0.32
7.60
0.75
0.90
MILLIMETERS
MIN
6.40
4.30
0.05
0.50
0.27
0.09
0.09
0.19
0.19
−−−
0
7
0.65 BSC
6.40 BSC
_
_
MAX
6.60
4.50
1.20
0.15
0.75
0.37
0.20
0.16
0.30
0.25
8
_
0.252
0.169
0.002
0.020
0.004
0.004
0.007
0.007
0.011
MIN
−−−
0
0.026 BSC
0.252 BSC
_
INCHES
MAX
0.260
0.177
0.047
0.006
0.030
0.015
0.008
0.006
0.012
0.010
8
_