at89c4051-12si ATMEL Corporation, at89c4051-12si Datasheet - Page 18

• Manufacturer Part Number: at89c4051-12si
• Description: At89c4051 8-bit Microcontroller With 4k Bytes Flash
• Manufacturer: ATMEL Corporation

28.2
18
20S – SOIC
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
JEDEC Standard MS-013
AT89C4051
R
2325 Orchard Parkway
San Jose, CA 95131
PIN 1 ID
0º ~ 8º
TITLE
20S, 20-lead, 0.300" Body, Plastic Gull Wing Small Outline (SOIC)
PIN 1
1.27 (0.050)
0.40 (0.016)
1.27 (0.050) BSC
13.00 (0.5118)
12.60 (0.4961)
0.51(0.020)
0.33(0.013)
0.10 (0.0040)
0.30(0.0118)
0.32 (0.0125)
0.23 (0.0091)
7.60 (0.2992)
7.40 (0.2914)
2.65 (0.1043)
2.35 (0.0926)
10.65 (0.419)
10.00 (0.394)
DRAWING NO.
20S
1001E–MICRO–6/05
10/23/03
REV.
B