AT27C256R-45PU Ver la hoja de datos (PDF) - Atmel Corporation

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Fabricante

AT27C256R-45PU

256K (32K x 8) One-time Programmable, Read-only Memory

Atmel Corporation 

8. Packaging information

32J – PLCC

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"(0.254mm) 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" (0.10mm) maximum.

SYMBOL

A

A1

A2

D

D1

D2

E

E1

E2

B

B1

e

MIN NOM MAX

3.175

–

3.556

1.524

–

2.413

0.381

–

–

12.319

–

12.573

11.354

–

11.506

9.906

–

10.922

14.859

–

15.113

13.894

–

14.046

12.471

–

13.487

0.660

–

0.813

0.330

–

0.533

1.270 TYP

NOTE

Note 2

Note 2

10/04/01

Package drawing contact:

packagedrawings@atmel.com

TITLE

32J, 32-lead, plastic J-leaded chip carrier (PLCC)

DRAWING NO. REV.

32J

B

10 Atmel AT27C256R

0014O–EPROM–10/11

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