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參數(shù)資料
| 型號： | MC68HC2681P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數(shù)： | 64/88頁 |
| 文件大?。?/td> | 461K |
| 代理商： | MC68HC2681P |
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Mechanical Data and Ordering Information
6-2
MC68HC681 USER’S MANUAL
MOTOROLA
6
6.3 PACKAGE DIMENSIONS
NOTES:
1.
POSITIONAL TOLERANCE OF LEADS (D), SHALL BE WITHIN 0.25 mm (0.010) AT MAXIMUM MATERIAL CONDITION, IN
RELATION TO SEATING PLANE AND EACH OTHER.
2.
DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL.
3.
DIMENSION B DOES NOT INCLUDE MOLD FLASH.
NOTES:
1. DATUMS –L–, –M–, AND –N– ARE DETERMINED
WHERE TOP OF LEAD SHOULDER EXITS
PLASTIC BODY AT MOLD PARTING LINE.
2. DIMENSION G1, TRUE POSITION T O BE
MEASURED AT DATUM –T–, SEATING PLANE.
3. DIMENSIONS R AND U DO NOT INCLUDE MOLD
FLASH. ALLOWABLE MOLD FLASH IS 0.010
(0.25) PER SIDE.
4. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
5. CONTROLLING DIMENSION: INCH.
6. THE PACKAGE TOP MAY BE SMALLER THAN
THE PACKAGE BOTTOM BY UP TO 0.012
(0.300). DIMENSIONS R AND U ARE
DETERMINED AT THE OUTERMOST
EXTREMES OF THE PLASTIC BODY
EXCLUSIVE OF MOLD FLASH, TIE BAR BURRS,
GATE BURRS AND INTERLEAD FLASH, BUT
INCLUDING ANY MISMATCH BETWEEN THE
TOP AND BOTTOM OF THE PLASTIC BODY.
7. DIMENSION H DOES NOT INCLUDE DAMBAR
PROTRUSION OR INTRUSION. THE DAMBAR
PROTRUSION(S) SHALL NOT CAUSE THE H
DIMENSION TO BE GREATER THAN 0.037
(0.940). THE DAMBAR INTRUSION(S) SHALL
NOT CAUSE THE H DIMENSION T O BE
SMALLER THAN 0.025 (0.635).
±N±
±L±
±M±
D
Y
D
K
V
W
1
44
BRK
B
Z
U
X
VIEW D
±D
S
L–M
M
0.007(0.180)
N S
T
S
L–M
M
0.007(0.180)
N S
T
G1
S
L–M
S
0.010 (0.25)
N S
T
K1
F
H
S
L–M
M
0.007(0.180)
N S
T
Z
G
G1
R
A
E
J
VIEW S
C
S
L–M
M
0.007(0.180)
N S
T
S
L–M
M
0.007(0.180)
N S
T
0.004 (0.10)
±T± SEATING
PLANE
VIEW S
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
A
0.685
0.695
17.40
17.65
B
0.685
0.695
17.40
17.65
C
0.165
0.180
4.20
4.57
E
0.090
0.110
2.29
2.79
F
0.013
0.019
0.33
0.48
G
0.050 BSC
1.27 BSC
H
0.026
0.032
0.66
0.81
J
0.020
–––
0.51
–––
K
0.025
–––
0.64
–––
R
0.650
0.656
16.51
16.66
U
0.650
0.656
16.51
16.66
V
0.042
0.048
1.07
1.21
W
0.042
0.048
1.07
1.21
X
0.042
0.056
1.07
1.42
Y
–––
0.020
–––
0.50
Z
2
10
2
10
G1
0.610
0.630
15.50
16.00
K1
0.040
–––
1.02
–––
S
L–M
S
0.010 (0.25)
N S
T
S
L–M
M
0.007(0.180)
N S
T
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