CAT1640, CAT1641
http://onsemi.com
18
TSSOP−8
CASE 948S−01
ISSUE C
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 2.90 3.10 0.114 0.122
B 4.30 4.50 0.169 0.177
C --- 1.10 --- 0.043
D 0.05 0.15 0.002 0.006
F 0.50 0.70 0.020 0.028
G 0.65 BSC 0.026 BSC
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. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
6. DIMENSION A AND B ARE TO BE DETERMINED
AT DATUM PLANE -W-.
____
SEATING
PLANE
PIN 1
1
4
85
DETAIL E
B
C
D
A
G
L
2X L/2
−U−
S
U0.20 (0.008) T
S
U
M
0.10 (0.004) V
S
T
0.076 (0.003)
−T−
−V−
−W−
8x REFK
IDENT
K 0.19 0.30 0.007 0.012
S
U0.20 (0.008) T
DETAIL E
F
M
0.25 (0.010)
K1
K
JJ1
SECTION N−N
J 0.09 0.20 0.004 0.008
K1 0.19 0.25 0.007 0.010
J1 0.09 0.16 0.004 0.006
N
N
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