AT89C51-20PC(2000) Просмотр технического описания (PDF) - Atmel Corporation

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Компоненты Описание

производитель

AT89C51-20PC
(Rev.:2000)

8-bit Microcontroller with 4K Bytes Flash

Atmel Corporation 

Packaging Information

44A, 44-lead, Thin (1.0 mm) Plastic Gull Wing Quad

Flatpack (TQFP)

Dimensions in Millimeters and (Inches)*

JEDEC STANDARD MS-026 ACB

PIN 1 ID

12.21(0.478)

11.75(0.458)

SQ

0.80(0.031) BSC

0.45(0.018)

0.30(0.012)

0

0.20(.008)

7

0.09(.003)

10.10(0.394)

9.90(0.386)

SQ

1.20(0.047) MAX

0.75(0.030) 0.15(0.006)

0.45(0.018) 0.05(0.002)

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

Dimensions in Inches and (Millimeters)

JEDEC STANDARD MS-018 AC

.045(1.14) X 45° PIN NO. 1

IDENTIFY

.045(1.14) X 30° - 45° .012(.305)

.008(.203)

.032(.813)

.026(.660)

.050(1.27) TYP

.656(16.7)

.650(16.5)SQ

.695(17.7)

.685(17.4)SQ

.500(12.7) REF SQ

.630(16.0)

.590(15.0)

.021(.533)

.013(.330)

.043(1.09)

.020(.508)

.120(3.05)

.090(2.29)

.180(4.57)

.165(4.19)

.022(.559) X 45° MAX (3X)

Controlling dimension: millimeters

40P6, 40-lead, 0.600" Wide, Plastic Dual Inline

Package (PDIP)

Dimensions in Inches and (Millimeters)

2.07(52.6)

2.04(51.8)

PIN

1

.566(14.4)

.530(13.5)

.220(5.59)

MAX

SEATING

PLANE

.161(4.09)

.125(3.18)

.110(2.79)

.090(2.29)

.012(.305)

.008(.203)

1.900(48.26) REF

.090(2.29)

MAX

.005(.127)

MIN

.065(1.65)

.041(1.04)

.065(1.65)

.015(.381)

.022(.559)

.014(.356)

.630(16.0)

.590(15.0)

0 REF

15

.690(17.5)

.610(15.5)

16

AT89C51

44Q, 44-lead, Plastic Quad Flat Package (PQFP)

Dimensions in Millimeters and (Inches)*

JEDEC STANDARD MS-022 AB

PIN 1 ID

13.45

12.95

(0.525)

(0.506)

SQ

0.80 (0.031) BSC

0.50 (0.020)

0.35 (0.014)

10.10

9.90

(0.394)

(0.386)

SQ

0

0.17 (0.007)

7

0.13 (0.005)

1.03 (0.041)

0.78 (0.030)

Controlling dimension: millimeters

2.45 (0.096) MAX

0.25 (0.010) MAX

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