VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor
Part Name
Description
MFG CO.
'VG4616321B' PDF : 82 Pages View PDF
VIS
Preliminary
Outline Drawing Information
VG4616321B/VG4616322B
262,144x32x2-Bit
CMOS Synchronous Graphic RAM
DIM
MILLIMETERS
MIN. NOM. MAX.
INCHES
MIN. NOM. MAX.
A
---
--- 3.40
---
--- 0.134
A1 0.25
---
--- 0.010
---
---
A2 2.50
2.70
2.90 0.098 0.106 0.114
b 0.22
--- 0.38 0.009
--- 0.015
c
0.11 0.15 0.23 0.004 0.006 0.009
D 23.00 23.20 23.40 0.906 0.913 0.921
D1 19.85 20.00 20.15 0.781 0.787 0.793
E 17.00 17.20 17.40 0.669 0.677 0.685
E1 13.85 14.00 14.15 0.545 0.551 0.557
e
0.65 BASIC
0.026 BASIC
L
0.73 0.88 1.03 0.029 0.035 0.041
L1
1.60 REF.
0.063 REF.
θ
0¢X
---
7¢X
0¢X
---
7¢X
80
81
100
1
NOTE:
1. CONTROLLING DIMENSION : MILLIMETERS
2. DIMENSION D1 & E1 DO NOT INCLUDE MOLD PROTRUSION.
ALLOWABLE PROTRUSION IS 0.25mm PER SIDE.
DIMENSION D1 & E1 INCLUDE MOLD MISMATCH.
3. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION.
ALLOWABLE DAMBAR PROTRUSION SHALL NOT CAUSE THE
LEAD TO BE WIDER THAN THE MAXIMUM b DIMENSION BY
SEATING PLANE
MORE THAN 0.08mm. DAMBAR CANNOT BE LOCATED ON THE
LOWER RADIUS OR THE FOOT.
D
D1
e
51
50
A2
c
A
E1 E
A1
L
0.12mmM b
L1
θ
TYP.
31
DETAIL A
30
DETAIL A
e
0.08mm
Document:1G5-0145
Rev.1
Page 82
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