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參數(shù)資料
| 型號(hào)： | MC74VHC245M |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Bus Transceiver |
| 中文描述： | AHC/VHC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | EIAJ, SOIC-20 |
| 文件頁數(shù)： | 6/7頁 |
| 文件大小： | 175K |
| 代理商： | MC74VHC245M |
MC74VHC245
MOTOROLA
VHC Data – Advanced CMOS Logic
DL203 — Rev 1
6
OUTLINE DIMENSIONS
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
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–
20
1
11
10
S
A
M
0.010 (0.25)
B
S
T
D
20X
M
B
M
0.010 (0.25)
P
10X
J
F
G
18X
K
C
–T–
SEATING
M
R
X 45
DIM
A
B
C
D
F
G
J
K
M
P
R
MIN
12.65
7.40
2.35
0.35
0.50
MAX
12.95
7.60
2.65
0.49
0.90
MIN
0.499
0.292
0.093
0.014
0.020
0.050 BSC
0.010
0.004
0
0.395
0.010
MAX
0.510
0.299
0.104
0.019
0.035
INCHES
MILLIMETERS
1.27 BSC
0.25
0.10
0
10.05
0.25
0.32
0.25
7
10.55
0.75
0.012
0.009
7
0.415
0.029
DT SUFFIX
PLASTIC TSSOP PACKAGE
CASE 948E–02
ISSUE A
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MIN
6.40
MAX
6.60
4.50
1.20
0.15
0.75
MIN
0.252
MAX
0.260
0.177
0.047
0.006
0.030
INCHES
MILLIMETERS
4.30
–––
0.169
–––
0.05
0.50
0.65 BSC
0.27
0.09
0.09
0.19
0.19
6.40 BSC
0
0.002
0.020
0.026 BSC
0.011
0.004
0.004
0.007
0.007
0.252 BSC
0
0.37
0.20
0.16
0.30
0.25
0.015
0.008
0.006
0.012
0.010
8
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–.
íííí
íííí
íííí
SECTION N–N
1
10
11
20
PIN 1
IDENT
A
B
–T–
0.100 (0.004)
C
D
G
H
K
K1
J J1
N
N
M
F
–W–
SEATING
–V–
–U–
S
U
M
0.10 (0.004)
V
S
T
20X REF
L
L/2
2X
S
U
0.15 (0.006) T
DETAIL E
0.25 (0.010)
DETAIL E
S
U
0.15 (0.006) T
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