AT89LS51 datasheet(29/32 Pages) ATMEL

Part #	AT89LS51

Description	8-bit Low-Voltage Microcontroller with 4K Bytes In-System Programmable Flash

PDF	32 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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29 / 32 page

3053B–MICRO–3/05

AT89LS51

34.2

44J – PLCC

Notes:

1. This package conforms to JEDEC reference MS-018, Variation AC.

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.

4.191

–

4.572

2.286

–

3.048

0.508

–

17.399

–

17.653

16.510

–

16.662

Note 2

17.399

–

17.653

16.510

–

16.662

Note 2

D2/E2

14.986

–

16.002

0.660

–

0.813

0.330

–

0.533

1.270 TYP

COMMON DIMENSIONS

(Unit of Measure = mm)

SYMBOL

MIN

NOM

MAX

NOTE

1.14(0.045) X 45˚

PIN NO. 1

IDENTIFIER

1.14(0.045) X 45˚

0.51(0.020)MAX

0.318(0.0125)

0.191(0.0075)

45˚ MAX (3X)

D2/E2

44J, 44-lead, Plastic J-leaded Chip Carrier (PLCC)

44J

10/04/01

2325 Orchard Parkway

San Jose, CA 95131

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