MCM62486B View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
MFG CO.
MCM62486B Datasheet PDF : 12 Pages
| |||
-N-
-L-
44
LEADS
ACTUAL
PACKAGE DIMENSIONS
Y BRK
-M-
FN PACKAGE
44–LEAD PLCC
CASE 777–02
B
0.18 (0.007) M T L –M S N S
D
U 0.18 (0.007) M T L –M S N S
W
Z
D
44
1
V
A 0.18 (0.007) M T L –M S N S
X
VIEW D-D
G1
0.25 (0.010) S T L –M S N S
Z
R 0.18 (0.007) M T L –M S N S
C
G
G1
0.25 (0.010) S T L –M S
H 0.18 (0.007) M T L –M S N S
E
0.10 (0.004)
J
-T- SEATING
PLANE
VIEW S
K1
K
F 0.18 (0.007) M T L –M S N S
NS
NOTES:
1. DUE TO SPACE LIMITATION, CASE 777-02
VIEW S
SHALL BE REPRESENTED BY A GENERAL
(SMALLER) CASE OUTLINE DRAWING
RATHER THAN SHOWING ALL 44 LEADS.
2. DATUMS -L-, -M-, AND -N- DETERMINED
WHERE TOP OF LEAD SHOULDER EXITS
PLASTIC BODY AT MOLD PARTING LINE.
3. DIM G1, TRUE POSITION TO BE MEASURED
AT DATUM -T-, SEATING PLANE.
4. DIM R AND U DO NOT INCLUDE MOLD FLASH.
ALLOWABLE MOLD FLASH IS 0.25 (0.010) PER
SIDE.
5. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
6. CONTROLLING DIMENSION: INCH.
7. THE PACKAGE TOP MAY BE SMALLER THAN
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 17.40 17.65 0.685 0.695
B 17.40 17.65 0.685 0.695
C 4.20 4.57 0.165 0.180
E 2.29 2.79 0.090 0.110
F 0.33 0.48 0.013 0.019
G
1.27 BSC
0.050 BSC
H 0.66 0.81 0.026 0.032
THE PACKAGE BOTTOM BY UP TO .012 (.300).
J 0.51 — 0.020 —
DIMENSIONS R AND U ARE DETERMINED AT
K 0.64 — 0.025 —
THE OUTERMOST EXTREMES OF THE
R 16.51 16.66 0.650 0.656
PLASTIC BODY EXCLUSIVE OF MOLD FLASH,
U 16.51 16.66 0.650 0.656
TIE BAR BURRS, GATE BURRS AND
V 1.07 1.21 0.042 0.048
INTERLEAD FLASH, BUT INCLUDING ANY
MISMATCH BETWEEN THE TOP AND BOTTOM
OF THE PLASTIC BODY.
8. DIMENSION H DOES NOT INCLUDE DAMBAR
PROTRUSION OR INTRUSION. THE DAMBAR
PROTRUSION(S) SHALL NOT CAUSE THE H
DIMENSION TO BE GREATER THAN .037
W 1.07 1.21 0.042 0.048
X 1.07 1.42 0.042 0.056
Y
— 0.50 — 0.020
Z
2°
10°
2° 10°
G1 15.50 16.00 0.610 0.630
K1 1.02 — 0.040 —
(.940). THE DAMBAR INTRUSION(S) SHALL
NOT CAUSE THE H DIMENSION TO BE
SMALLER THAN .025 (.635).
9. 777-01 IS OBSOLETE, NEW STANDARD 777-02.
MOTOROLA FAST SRAM
MCM62486B
11
Share Link: 