RM5231A PMC-Sierra Inc, RM5231A Datasheet - Page 37

• Manufacturer Part Number: RM5231A
• Description: 64-Bit MIPS RISC Microprocessor with 32/64-Bit System Bus
• Manufacturer: PMC-Sierra Inc

Proprietary and Confidential to PMC-Sierra, Inc and for its Customer’s Internal Use
Document ID: PMC-2002174, Issue 2
11
BASE
PLANE
3.67 (0.144)
3.17 (0.125)
Notes
1. Package dimensions conform to JEDEC MO–108(DB–1).
2. Controlling dimensions: millimeters. Dimensions in inches are shown in parentheses.
3. Dimensions and tolerancing per ANSI Y14.5 – 1982.
4. Datum plane “H” is located at the mold parting line and is coincident with the lead exits the plastic body at bottom
5. Datums “A–B” and “D” to be determined at datum plane “H”.
6. To be determined at the seating plane “C”.
7. These dimensions to be determined at datum plane “H”. Dimensions “D” and “E” do not include mold protrusion.
8. Lead width does not include dambar protrusion. Allowable dambar protrusion shall be 0.08 mm/0.003” total in excess
9. Pin numbers start with Pin #1 and continue counter clockwise to pin #128 when viewed from the top.
28.10 (1.106)
27.90 (1.098)
SEATING PLANE
C0.864 x 45 (4X)
of this dimension at the maximum material condition. Dambar cannot be located on the lower radius of the foot.
of the parting line.
Allowable protrusion is 0.25/0.10” per side.
0.010 (0.004)
1.60 (0.063)
Packaging Information
-E-
7
4.07 (0.160) MAX.
-C-
-A-
5
128
0.05 (0.002) D
0.20 (0.008) M
SEE DETAIL “A”
1
pin #1 ID
28.10 (1.106)
27.90 (1.098)
(1.60 (0.063))
0.80 (0.0315) (124X)
31.45 (1.238)
30.95 (1.219)
(24.80 (0.976))
TOP VIEW
(19.80)
H A–B
6
7
-D-
5
S
AFTER PLATING
-D-
D S
0.45 (0.018)
0.30 (0.012)
-B-
5
5 –16 ALL SIDES
0.20 (0.008) M
0.20 (0.008) M
0.05 (0.002) A–B
0.23 (0.009)
0.13 (0.005)
RM5231A™ Microprocessor with 32-Bit System Bus Data Sheet
0.20 (0.008) M
(24.80 (0.976))
31.45 (1.238)
30.95 (1.219)
0.20 (0.008) M
C A–B
H A–B
6
C A–B
0.25 (0.010) MIN.
S
DATUM PLANE
S
D S
D S
S
-H-
4
D S
C A–B
DETAIL “A”
S
GAGE PLANE
D S
(1.60 (0.083))
8
0.25
1.00 (0.039)
0.70 (0.027)
0 MIN.
R0.13 (0.005) MIN.
R0.30 (0.012)
0.13 (0.005)
0 –7
Preliminary
(128X)
37