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參數資料
| 型號： | MC74HC646DW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-State Bus Transeceivers and D Flip-Flops |
| 中文描述： | HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | 0.300 INCH, PLASTIC, SOIC-24 |
| 文件頁數： | 13/14頁 |
| 文件大小： | 328K |
| 代理商： | MC74HC646DW |
MC54/74HC646
High–Speed CMOS Logic Data
DL129 — Rev 6
3–13
MOTOROLA
OUTLINE DIMENSIONS
J SUFFIX
CERAMIC PACKAGE
CASE 758–02
ISSUE A
NOTES:
1. CHAMFERED CONTOUR OPTIONAL.
2. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
4. CONTROLLING DIMENSION: INCH.
–A–
–B–
24
13
12
1
–T–
SEATING
24 PL
0.25 (0.010)
K
E
F
N
C
D
G
M
A
M
T
24 PL
0.25 (0.010)
J
M
B
M
T
L
M
NOTE 1
DIM
A
B
C
D
E
F
G
J
K
L
M
N
MIN
1.230
0.250
0.145
0.015
0.050 BSC
0.040
0.100 BSC
0.007
0.110
0.300 BSC
0
0.020
MAX
1.265
0.270
0.175
0.020
MIN
31.25
6.35
3.69
0.38
MAX
32.13
6.85
4.44
0.51
MILLIMETERS
INCHES
1.27 BSC
1.02
2.54 BSC
0.18
2.80
7.62 BSC
0
0.51
0.060
1.52
0.012
0.140
0.30
3.55
15
0.040
15
1.01
N SUFFIX
PLASTIC PACKAGE
CASE 724–03
ISSUE D
C
N
K
F
G
B
1
24
12
13
L
P
J
SEATING
PLANE
DIM
A
B
C
D
F
G
J
K
L
N
P
MIN
1.240
0.285
0.160
0.015
0.045
0.100 BSC
0.008
0.100
0.300
0.020
0.360
MAX
1.285
0.305
0.200
0.021
0.062
MIN
31.50
7.24
4.07
0.38
1.14
MAX
32.64
7.75
5.08
0.53
1.57
MILLIMETERS
INCHES
2.54 BSC
0.20
2.54
7.62
0.51
9.14
0.013
0.165
0.310
0.050
0.400
0.33
4.19
7.87
1.27
10.16
NOTES:
3.
DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
4.
CONTROLLING DIMENSION: INCH.
5.
DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
0.25 (0.010)
M
T A
M
D
24 PL
–T–
–A–
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