PACKAGE DIMENSIONS
CASE 776-02
ISSUE D
28-LEAD PLCC PACKAGE
S
L-M
M
0.007 (0.180) N
S
T
K1
VIEW S
H
K
F
S
L-M
M
0.007 (0.180) N
S
T
B
S
L-M
S
0.010 (0.250) N
S
T
S
L-M
M
0.007 (0.180) N
S
T
U
S
L-M
M
0.007 (0.180) N
S
T
Z
G1X
VIEW D-D
VIEW S
S
L-M
S
0.010 (0.250) N
S
T
S
L-M
M
0.007 (0.180) N
S
T
0.004 (0.100)
G1
G
J
C
Z
R
E
A
SEATING
PLANE
S
L-M
M
0.007 (0.180) N
S
T
-T-
-N-
-M-
-L-
V
W
D
D
Y BRK
28 1
MILLIMETERSINCHES
0.050 BSC 1.27 BSC
DIM
A
B
C
E
F
G
H
J
K
R
U
V
W
X
Y
Z
G1
K1
MIN
0.485
0.485
0.165
0.090
0.013
0.026
0.020
0.025
0.450
0.450
0.042
0.042
0.042
---
2˚
0.410
0.040
MAX
0.495
0.495
0.180
0.110
0.019
0.032
---
---
0.456
0.456
0.048
0.048
0.056
0.020
10˚
0.430
---
MIN
12.32
12.32
4.20
2.29
0.33
0.66
0.51
0.64
11.43
11.43
1.07
1.07
1.07
---
2˚
10.42
1.02
MAX
12.57
12.57
4.57
2.79
0.48
0.81
---
---
11.58
11.58
1.21
1.21
1.42
0.50
10˚
10.92
---
NOTES:
1.
2.
3.
4.
5.
6.
7.
DATUMS -L-, -M-, AND -N- DETERMINED
WHERE TOP OF LEAD SHOULDER EXISTS
PLASTIC BODY AT MOLD PARTING LINE.
DIMENSION G1, TRUE POSITION TO BE
MEASURED AT DATUM -T-, SEATING PLANE.
DIMENSIONS R AND U DO NOT INCLUDE
MOLD FLASH. ALLOWABLE MOLD FLASH IS
0.010 (0.250) PER SIDE.
DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
CONTROLLING DEMENSION: INCH.
THE PACKAGE TOP MAY BE SMALLER THAN
THE PACKAGE BOTTOM BY UP TO 0.012
(0.300). DIMENSIONS R AND U ARE
DETERMINED AT THE OUTERMOST
EXTREMES OF THE PLASTIC BODY
EXCLUSIVE OF MOLD FLASH, TIE BAR
BURRS, GATE BURRS AND INTERLEAD
FLASH, BUT INCLUDING ANY MISMATCH
BETWEEN THE TOP AND BOTTOM OF THE
PLASITC BODY.
DIMENSION H DOES NOT INCLUDE DAMBAR
PROTRUSION OR INTRUSION. THE DAMBAR
PROTRUSION(S) SHALL NOT CAUSE THE H
DIMENSION TO BE GREATER THAN 0.037
(0.940). THE DAMBAR INTRUSION(S) SHALL
NOT CAUSE THE H DIMENSION TO BE
SMALLER THAN 0.025 (0.635).
MPC9229 Data Sheet 400MHZ LOW VOLTAGE PECL CLOCK SYNTHESIZER
MPC9229 REVISION 5 DECEMBER 19, 2012 10 ©2012 Integrated Device Technology, Inc.
