VRS51C1000-40-L RAMTRON [Ramtron International Corporation], VRS51C1000-40-L Datasheet - Page 47

• Manufacturer Part Number: VRS51C1000-40-L
• Description: Versa 8051 MCU with 64KB of IAP/ISP Flash
• Manufacturer: RAMTRON [Ramtron International Corporation]

Plastic Quad Flat Package (QFP-44)
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www.ramtron.com
VRS51C1000
Note:
1. Dimensions D1 and E1 do not include mold
2. Allowance protrusion is 0.25mm per side.
3. Dimensions D1 and E1 do not include mold
4. Dimension b does not include dambar
5. Allowance dambar protrusion shall be 0.08 mm
protrusion.
mismatch and are determined datum plane.
protrusion.
total in excess of the b dimension at maximum
material condition. Dambar cannot be located
on the lower radius of the lead foot.
VRS51C1000
QFP-44
E2
E1
E
e1
D2 D1 D
Seating Plane
e
C
T
ABLE
Symbol
A
Al
A2
b
c
D
D1
D2
E
E1
E2
e
L
L1
R1
R2
S
0
θ 1
θ 2
θ 3
∆C
50: D
A
S
IMENSIONS OF
C
A2
L
S
A1
Dimension in in.
Minimal/Maximal
-/0.100
0.006/0.014
0.071 / 0.087
0.012/0.018
0.004 / 0.009
0.520 BSC
0.394 BSC
0.315
0.520 BSC
0.394 BSC
0.315
0.031 BSC
0.029 / 0.041
0.063
0.005/-
0.005/0.012
0.008/-
0˚/7˚
0˚/ -
10˚ REF
7˚ REF
0.004
b
L1
QFP-44 C
HIP
C
ARRIER
2
3
page 47 of 48
Dimension in mm
Minimal/Maximal
-/2.55
0.15/0.35
1.80/2.20
0.30/0.45
0.09/0.20
8.00
13.20 BSC
8.00
0.80 BSC
0.73/1.03
1.60
0.13/-
0.13/0.30
0.20/-
as left
as left
as left
0.10
13.20 BSC
10.00 BSC
10.00 BSC
as left
R2
Gage Plane
0.25mm
R1