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參數資料
| 型號： | MC74LCX240DW |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | LOW-VOLTAGE CMOS OCTAL BUFFER |
| 中文描述： | LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁數： | 6/8頁 |
| 文件大小： | 154K |
| 代理商： | MC74LCX240DW |
MC74LCX240
MOTOROLA
LCX DATA
BR1339 — REV 3
6
OUTLINE DIMENSIONS
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
M SUFFIX
PLASTIC SOIC EIAJ PACKAGE
CASE 967–01
ISSUE O
MIN
12.65
7.40
2.35
0.35
0.50
1.27 BSC
MIN
0.499
0.292
0.093
0.014
0.020
0.050 BSC
MAX
12.95
7.60
2.65
0.49
0.90
MAX
0.510
0.299
0.104
0.019
0.035
MILLIMETERS
INCHES
DIM
A
B
C
D
F
G
J
K
M
P
R
0.012
0.009
7
°
0.415
0.029
0.010
0.004
0
°
0.395
0.010
0.32
0.25
7
°
10.55
0.75
0.25
0.10
0
°
10.05
0.25
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.150
(0.006) PER SIDE.
5. DIMENSION D DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.13
(0.005) TOTAL IN EXCESS OF D DIMENSION
AT MAXIMUM MATERIAL CONDITION.
–A
–
–B
–
P
10 PL
1
10
11
20
–T
SEATING
PLANE
D
20 PL
K
C
R
X 45
°
M
0.010 (0.25)
B
M
M
0.010 (0.25)
T
A
B
M
S
S
G
18 PL
F
J
DIM
A
MIN
---
0.05
0.35
0.18
12.35
5.10
MAX
2.05
0.20
0.50
0.27
12.80
5.45
MIN
---
0.002
0.014
0.007
0.486
0.201
0.050 BSC
0.291
0.020
0.043
0
MAX
0.081
0.008
0.020
0.011
0.504
0.215
INCHES
MILLIMETERS
1.27 BSC
7.40
0.50
1.10
0
0.70
---
8.20
0.85
1.50
10
0.323
0.033
0.059
10
0.90
0.81
0.028
---
0.035
0.032
A1
b
c
D
E
e
HE
L
LE
M
Q1
Z
NOTES:
1 DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2 CONTROLLING DIMENSION: MILLIMETER.
3 DIMENSIONS D AND E DO NOT INCLUDE MOLD
FLASH OR PROTRUSIONS AND ARE MEASURED
AT THE PARTING LINE. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
4 TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5 THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
Z
D
HE
E
1
20
11
10
b
A1
e
L
LE
Q1
M
VIEW P
DETAIL P
0.13 (0.005)
M
0.10 (0.004)
c
A
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