參數(shù)資料
型號(hào): 74FST3251DT
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: 8:1 Multiplexer/Demultiplexer Bus Switch
中文描述: CBT/FST/QS/5C/B SERIES, 1 LINE TO 8 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: LEAD FREE, TSSOP-16
文件頁數(shù): 6/8頁
文件大小: 86K
代理商: 74FST3251DT
74FST3251
http://onsemi.com
6
PACKAGE DIMENSIONS
SO–16
D SUFFIX
CASE 751B–05
ISSUE J
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 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
1
8
16
9
SEATING
PLANE
F
J
M
R
X 45
G
8 PL
P
–B–
–A–
M
0.25 (0.010)
B
S
–T–
D
K
C
16 PL
S
B
M
0.25 (0.010)
A
S
T
DIM
A
B
C
D
F
G
J
K
M
P
R
MIN
9.80
3.80
1.35
0.35
0.40
1.27 BSC
0.19
0.10
0
5.80
0.25
MAX
10.00
4.00
1.75
0.49
1.25
MIN
0.386
0.150
0.054
0.014
0.016
0.050 BSC
0.008
0.004
0
0.229
0.010
MAX
0.393
0.157
0.068
0.019
0.049
INCHES
MILLIMETERS
0.25
0.25
7
6.20
0.50
0.009
0.009
7
0.244
0.019
TSSOP–16
DT SUFFIX
CASE 948F–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
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