MC74HCT4851A, MC74HCT4852A
http://onsemi.com
14
PACKAGE DIMENSIONS
TSSOP−16
DT SUFFIX
CASE 948F
ISSUE B
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A4.90 5.10 0.193 0.200
B4.30 4.50 0.169 0.177
C−−− 1.20 −−− 0.047
D0.05 0.15 0.002 0.006
F0.50 0.75 0.020 0.030
G0.65 BSC 0.026 BSC
H0.18 0.28 0.007 0.011
J0.09 0.20 0.004 0.008
J1 0.09 0.16 0.004 0.006
K0.19 0.30 0.007 0.012
K1 0.19 0.25 0.007 0.010
L6.40 BSC 0.252 BSC
M0 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 N−N
SEATING
PLANE
IDENT.
PIN 1
18
16 9
DETAIL E
J
J1
B
C
D
A
K
K1
H
G
DETAIL E
F
M
L
2X L/2
−U−
S
U0.15 (0.006) T
S
U0.15 (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 REFK
N
N
7.06
16X
0.36 16X
1.26
0.65
DIMENSIONS: MILLIMETERS
1
PITCH
SOLDERING FOOTPRINT
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