MC74LCX245
OUTLINE DIMENSIONS
SD SUFFIX
PLASTIC SSOP PACKAGE
CASE 940C–03
ISSUE B
20X
K
REF
0.12 (0.005)
M
T U
S
V
S
0.25 (0.010)
N
L/2
L
PIN 1
IDENT
20
11
M
B
N
F
1
10
DETAIL E
K
–U–
J
A
–V–
0.20 (0.008)
M
NOTES:
13 DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
14 CONTROLLING DIMENSION: MILLIMETER.
15 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.
16 DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
17 DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION/INTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN
EXCESS OF K DIMENSION AT MAXIMUM
MATERIAL CONDITION. DAMBAR INTRUSION
SHALL NOT REDUCE DIMENSION K BY MORE
THAN 0.07 (0.002) AT LEAST MATERIAL
CONDITION.
18 TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
19 DIMENSION A AND B ARE TO BE DETERMINED
AT DATUM PLANE –W–.
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MILLIMETERS
MIN
MAX
7.07
7.33
5.20
5.38
1.73
1.99
0.05
0.21
0.63
0.95
0.65 BSC
0.59
0.75
0.09
0.20
0.09
0.16
0.25
0.38
0.25
0.33
7.65
7.90
0
_
8
_
INCHES
MIN
MAX
0.278
0.288
0.205
0.212
0.068
0.078
0.002
0.008
0.024
0.037
0.026 BSC
0.023
0.030
0.003
0.008
0.003
0.006
0.010
0.015
0.010
0.013
0.301
0.311
0
_
8
_
T U
S
SECTION N–N
–W–
0.076 (0.003)
–T–
SEATING
PLANE
C
D
G
H
DETAIL E
20X
K
REF
M
DT SUFFIX
PLASTIC TSSOP PACKAGE
CASE 948E–02
ISSUE A
T U
S
0.15 (0.006) T U
S
0.10 (0.004)
V
S
2X
L/2
20
11
B
L
PIN 1
IDENT
1
10
J J1
–U–
N
0.15 (0.006) T U
S
A
–V–
N
F
C
D
0.100 (0.004)
–T–
SEATING
PLANE
G
H
DETAIL E
LCX DATA
BR1339 — REV 3
7
ÍÍÍÍ
ÍÍÍÍ
ÍÍÍÍ
SECTION N–N
DETAIL E
–W–
ÉÉÉ
ÇÇÇ
ÉÉÉ
ÇÇÇ
K1
K
K1
M
J1
0.25 (0.010)
NOTES:
6 DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
7 CONTROLLING DIMENSION: MILLIMETER.
8 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.
9 DIMENSION B DOES NOT INCLUDE INTERLEAD
FLASH OR PROTRUSION. INTERLEAD FLASH OR
PROTRUSION SHALL NOT EXCEED 0.25 (0.010)
PER SIDE.
10 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.
11 TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
12 DIMENSION A AND B ARE TO BE DETERMINED
AT DATUM PLANE –W–.
MILLIMETERS
MIN
MAX
6.40
6.60
4.30
4.50
–––
1.20
0.05
0.15
0.50
0.75
0.65 BSC
0.27
0.37
0.09
0.20
0.09
0.16
0.19
0.30
0.19
0.25
6.40 BSC
0
_
8
_
INCHES
MIN
MAX
0.252
0.260
0.169
0.177
–––
0.047
0.002
0.006
0.020
0.030
0.026 BSC
0.011
0.015
0.004
0.008
0.004
0.006
0.007
0.012
0.007
0.010
0.252 BSC
0
_
8
_
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
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MOTOROLA [ MOTOROLA, INC ]
