948E-02

MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
TSSOP−20 WB
CASE 948E
ISSUE D
DATE 17 FEB 2016
SCALE 2:1
20X
0.15 (0.006) T U
2X
K REF
0.10 (0.004)
S
L/2
20
M
T U
S
V
K
K1
ÍÍÍÍ
ÍÍÍÍ
ÍÍÍÍ
S
J J1
11
B
L
SECTION N−N
−U−
PIN 1
IDENT
0.25 (0.010)
N
1
10
M
0.15 (0.006) T U
S
A
−V−
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−.
N
F
DETAIL E
−W−
C
G
D
H
DETAIL E
0.100 (0.004)
−T− SEATING
PLANE
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MILLIMETERS
MIN
MAX
6.40
6.60
4.30
4.50
--1.20
0.05
0.15
0.50
0.75
0.65 BSC
0.27
0.37
0.09
0.20
0.09
0.16
0.19
0.30
0.19
0.25
6.40 BSC
0_
8_
INCHES
MIN
MAX
0.252
0.260
0.169
0.177
--0.047
0.002
0.006
0.020
0.030
0.026 BSC
0.011
0.015
0.004
0.008
0.004
0.006
0.007
0.012
0.007
0.010
0.252 BSC
0_
8_
GENERIC
MARKING DIAGRAM*
SOLDERING FOOTPRINT
7.06
XXXX
XXXX
ALYWG
G
1
A
L
Y
W
G
0.65
PITCH
16X
0.36
16X
1.26
DOCUMENT NUMBER:
STATUS:
ON SEMICONDUCTOR STANDARD
1
NEW STANDARD:
October, DESCRIPTION:
2002 − Rev. 0
TSSOP−20 WB
(Note: Microdot may be in either location)
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
DIMENSIONS: MILLIMETERS
98ASH70169A
© Semiconductor Components Industries, LLC, 2002
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
http://onsemi.com
1
Electronic versions are uncontrolled except when
accessed directly from the Document Repository. Printed
versions are uncontrolled except when stamped
“CONTROLLED COPY” in red.
Case Outline Number:
PAGE 1 OFXXX
2
DOCUMENT NUMBER:
98ASH70169A
PAGE 2 OF 2
ISSUE
REVISION
DATE
O
RELEASED FOR PRODUCTION
14 NOV 1995
A
UNKNOWN
06 MAR 2000
B
CHANGED OWNERSHIP FROM MOTOROLA TO ON SEMI., REQ. BY N. LIPAT
16 JUN 2003
C
ADDED SOLDERING FOOTPRINT. REQ. BY S. RIGGS.
03 OCT 2006
D
REMOVED −02 FROM CASE CODE VARIANT. REQ. BY N. CALZADA.
17 FEB 2016
ON Semiconductor and
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© Semiconductor Components Industries, LLC, 2016
February, 2016 − Rev. D
Case Outline Number:
948E