AT89C2051x2
Package Information
20P3 – PDIP
D
PIN
1
E1
A
SEATING PLANE
A1
L
B
B1
e
E
COMMON DIMENSIONS
(Unit of Measure = mm)
C
MIN
–
MAX
5.334
–
NOM
NOTE
SYMBOL
eC
A
–
–
–
–
–
–
–
–
–
–
–
eB
A1
D
0.381
25.984
7.620
6.096
0.356
1.270
2.921
0.203
–
25.493 Note 2
8.255
E
E1
B
7.112 Note 2
0.559
B1
L
1.551
Notes:
1. This package conforms to JEDEC reference MS-001, Variation AD.
2. Dimensions D and E1 do not include mold Flash or Protrusion.
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
3.810
C
0.356
eB
eC
e
10.922
0.000
1.524
2.540 TYP
09/28/01
DRAWING NO. REV.
20P3
TITLE
2325 Orchard Parkway
San Jose, CA 95131
20P3, 20-lead (0.300"/7.62 mm Wide) Plastic Dual
Inline Package (PDIP)
B
R
17
3285B–MICRO–10/03
ATMEL [ ATMEL ]
