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参数资料
型号： MC74ACT257N
厂商： ON SEMICONDUCTOR
元件分类： 编、解码器及复用、解复用
英文描述： ACT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16
封装： PLASTIC, DIP-16
文件页数： 2/12页
文件大小： 181K
代理商： MC74ACT257N
MC74AC257, MC74ACT257
http://onsemi.com
10
PACKAGE DIMENSIONS
TSSOP16
DT SUFFIX
16 PIN PLASTIC TSSOP PACKAGE
CASE948F01
ISSUE O
DIM
MIN
MAX
MIN
MAX
INCHES
MILLIMETERS
A
4.90
5.10
0.193
0.200
B
4.30
4.50
0.169
0.177
C
1.20
0.047
D
0.05
0.15
0.002
0.006
F
0.50
0.75
0.020
0.030
G
0.65 BSC
0.026 BSC
H
0.18
0.28
0.007
0.011
J
0.09
0.20
0.004
0.008
J1
0.09
0.16
0.004
0.006
K
0.19
0.30
0.007
0.012
K1
0.19
0.25
0.007
0.010
L
6.40 BSC
0.252 BSC
M
0
8
0
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.
__
_
SECTION NN
SEATING
PLANE
IDENT.
PIN 1
1
8
16
9
DETAIL E
J
J1
B
C
D
A
K
K1
H
G
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
K
N
EIAJ16
M SUFFIX
16 PIN PLASTIC EIAJ PACKAGE
CASE96601
ISSUE O
HE
A1
DIM
MIN
MAX
MIN
MAX
INCHES
2.05
0.081
MILLIMETERS
0.05
0.20
0.002
0.008
0.35
0.50
0.014
0.020
0.18
0.27
0.007
0.011
9.90
10.50
0.390
0.413
5.10
5.45
0.201
0.215
1.27 BSC
0.050 BSC
7.40
8.20
0.291
0.323
0.50
0.85
0.020
0.033
1.10
1.50
0.043
0.059
0
0.70
0.90
0.028
0.035
0.78
0.031
A1
HE
Q1
LE
_ 10_
0
_ 10_
LE
Q1
_
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
A
b
c
D
E
e
L
M
Z
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相关代理商/技术参数
参数描述
MC74ACT257NG 功能描述:编码器、解码器、复用器和解复用器 5V Dual 4-Input w/3-State Out RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray
MC74ACT258D 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC74ACT258N 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
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