AT27C256R-70RA Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
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AT27C256R-70RA Datasheet PDF : 15 Pages
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20. Packaging Information
20.1 32J – PLCC
AT27C256R
1.14(0.045) X 45˚
PIN NO. 1
IDENTIFIER
1.14(0.045) X 45˚
0.318(0.0125)
0.191(0.0075)
E1
E
B
e
D1
D
B1 E2
A2
A1
A
0.51(0.020)MAX
45˚ MAX (3X)
COMMON DIMENSIONS
(Unit of Measure = mm)
D2
Notes:
1. This package conforms to JEDEC reference MS-016, Variation AE.
2. Dimensions D1 and E1 do not include mold protrusion.
Allowable protrusion is .010"(0.254 mm) per side. Dimension D1
and E1 include mold mismatch and are measured at the extreme
material condition at the upper or lower parting line.
3. Lead coplanarity is 0.004" (0.102 mm) maximum.
SYMBOL MIN NOM MAX NOTE
A
3.175
–
3.556
A1 1.524
–
2.413
A2
0.381
–
–
D
12.319
–
12.573
D1 11.354
–
11.506 Note 2
D2 9.906
–
10.922
E
14.859
–
15.113
E1 13.894
–
14.046 Note 2
E2 12.471
–
13.487
B
0.660
–
0.813
B1 0.330
–
0.533
e
1.270 TYP
10/04/01
TITLE
2325 Orchard Parkway 32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC)
R San Jose, CA 95131
DRAWING NO. REV.
32J
B
11
0014M–EPROM–12/07
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