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27. Ordering Information
27.1 Green Package Option (Pb/Halide-free)
Speed
(MHz)
Power
Supply Ordering Code Package Operation Range
12 2.7V to 6.0V
AT89C4051-12PU
AT89C4051-12SU
20P3
20S
Industrial
(-40° C to 85° C)
24 4.0V to 6.0V
AT89C4051-24PU
AT89C4051-24SU
20P3
20S
Industrial
(-40° C to 85° C)
Package Type
20P3 20-lead, 0.300” Wide, Plastic Dual In-line Package (PDIP)
20S 20-lead, 0.300” Wide, Plastic Gull Wing Small Outline (SOIC)
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AT89C4051
28. Package Information
28.1 20P3 – PDIP
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
R
REV.
20P3, 20-lead (0.300"/7.62 mm Wide) Plastic Dual
Inline Package (PDIP)
D
20P3
1/23/04
PIN
1
E1
A1
B
E
B1
C
L
SEATING PLANE
A
D
e
eB
eC
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
A 5.334
A1 0.381
D 24.892 – 26.924 Note 2
E 7.620 8.255
E1 6.096 7.112 Note 2
B 0.356 0.559
B1 1.270 1.551
L 2.921 3.810
C 0.203 0.356
eB 10.922
eC 0.000 1.524
e 2.540 TYP
Notes: 1. This package conforms to JEDEC reference MS-001, Variation AD.
2. Dimensions D and E1 do not include mold Flash or Protrusion.
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
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AT89C4051
28.2 20S – SOIC

AT89C4051-12SU

Mfr. #:
Manufacturer:
Microchip Technology / Atmel
Description:
8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union