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參數(shù)資料
| 型號(hào)： | MC74AC139N |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| 中文描述： | AC SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大小： | 108K |
| 代理商： | MC74AC139N |
MC74AC139, MC74ACT139
http://onsemi.com
8
PACKAGE DIMENSIONS
TSSOP–16
DT SUFFIX
16 PIN PLASTIC TSSOP PACKAGE
CASE948F–01
ISSUE O
SECTION N–N
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MIN
4.90
4.30
---
0.05
0.50
0.65 BSC
0.18
0.09
0.09
0.19
0.19
6.40 BSC
0
MAX
5.10
4.50
1.20
0.15
0.75
MIN
0.193
0.169
---
0.002
0.020
0.026 BSC
0.007
0.004
0.004
0.007
0.007
0.252 BSC
0
MAX
0.200
0.177
0.047
0.006
0.030
INCHES
MILLIMETERS
0.28
0.20
0.16
0.30
0.25
0.011
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-.
SEATING
PLANE
IDENT.
PIN 1
1
8
16
9
DETAIL E
J
J1
B
C
D
A
K
K1
H
G
ééé
ééé
DETAIL E
F
M
L
2X
L/2
–U–
S
U
0.15 (0.006) T
S
U
0.15 (0.006) T
S
U
M
0.10 (0.004)
V
S
T
0.10 (0.004)
–T–
–V–
–W–
0.25 (0.010)
16X REF
N
N
EIAJ–16
M SUFFIX
16 PIN PLASTIC EIAJ PACKAGE
CASE966–01
ISSUE O
H
E
A
1
DIM
A
MIN
---
0.05
0.35
0.18
9.90
5.10
1.27 BSC
7.40
0.50
1.10
0
0.70
---
MAX
2.05
0.20
0.50
0.27
10.50
5.45
MIN
---
0.002
0.014
0.007
0.390
0.201
0.050 BSC
0.291
0.020
0.043
0
MAX
0.081
0.008
0.020
0.011
0.413
0.215
INCHES
MILLIMETERS
8.20
0.85
1.50
10
0.323
0.033
0.059
10
0.90
0.78
0.028
---
0.035
0.031
A
1
b
c
D
E
e
H
E
L
Q
1
Z
L
E
M
L
E
Q
1
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).
M
L
DETAIL P
VIEW P
c
A
b
e
M
0.13 (0.005)
0.10 (0.004)
1
16
9
8
D
Z
E
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