11.3. 28-pin 28M1
TITLE
DRAWING NO.GPC
REV.
Package Drawing Contact:
packagedrawings@atmel.com
28M1ZBV B
28M1,28-pad, 4 x 4 x 1.0mm Body, Lead Pitch 0.45mm,
2.4 x 2.4mm Exposed Pad, Thermally Enhanced
Plastic Very Thin Quad Flat No Lead Package (VQFN)
10/24/08
SIDE VIEW
Pin 1 ID
BOTTOM VIEW
TOP VIEW
Note:
The ter mi na l #1 ID is a Laser -ma r ked Feat ur e .
D
E
e
K
A1
C
A
D2
E2
y
L
1
2
3
b
1
2
3
0.45
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
R 0.20
0.4 Ref
(4x)
A
A1
b
C
D
D2
E
E2
e
L
y
K
0.80 0.90 1.00
0.00 0.02 0.05
0.17 0.22 0.27
0.20 REF
3.95 4.00 4.05
2.35 2.40 2.45
3.95 4.00 4.05
2.35 2.40 2.45
0.45
0.35 0.40 0.45
0.00 – 0.08
0.20 – –
Atmel ATmega328/P [DATASHEET]
Atmel-42735B-328/P_Datasheet_Summary-11/2016
22
11.4. 28-pin 28P3
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
REV.
28P3 , 28-lead (0.300"/7.62mm Wide) Plastic Dual
Inline Package (PDIP)
B
28P3
09/28/01
0º ~ 15º
D
e
eB
B2
(4 PLACES)
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
A 4.5724
A1 0.508
D 34.544 34.798 Note 1
E 7.620 8.255
E1 7.112 7.493 Note 1
B 0.381 0.533
B1 1.143 1.397
B2 0.762 1.143
L 3.175 3.429
C 0.203 0.356
eB 10.160
e 2.540 TYP
Note: 1. Dimensions D and E1 do not include mold Flash or Protrusion.
Mold Flash or Protrusion shall not exceed 0.25mm (0.010").
Atmel ATmega328/P [DATASHEET]
Atmel-42735B-328/P_Datasheet_Summary-11/2016
23
Atmel Corporation 1600 Technology Drive, San Jose, CA 95110 USA T: (+1)(408) 441.0311 F: (+1)(408) 436.4200 | www.atmel.com
©
2016 Atmel Corporation. / Rev.: Atmel-42735B-328/P_Datasheet_Summary-11/2016
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ATMEGA328P-AU

Mfr. #:
Manufacturer:
Microchip Technology / Atmel
Description:
8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V
Lifecycle:
New from this manufacturer.
Delivery:
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