AT89LP428-20AU Atmel, AT89LP428-20AU Datasheet - Page 140

• Manufacturer Part Number: AT89LP428-20AU
• Description: MCU 8051 4K FLASH SPI 32TQFP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP428-20AU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 30
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Processor Series: AT89x
• Core: 8051
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

26.2
140
SEATING PLANE
Note:
28P3 – PDIP
AT89LP428/828
R
2325 Orchard Parkway
San Jose, CA 95131
A
1. Dimensions D and E1 do not include mold Flash or Protrusion.
L
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
e
C
TITLE
28P3, 28-lead (0.300"/7.62 mm Wide) Plastic Dual
Inline Package (PDIP)
eB
E
D
B1
0º ~ 15º
B
PIN
1
REF
(4 PLACES)
B2
A1
E1
SYMBOL
e
A
A1
D
E
E1
B
B1
B2
L
C
eB
0.254
35.00
7.366
0.356
1.143
0.762
2.921
0.203
7.112
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
–
2.540 TYP
NOM
–
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
4.5724
10.160
35.51
0.559
1.143
0.356
8.382
7.518
1.78
3.81
MAX
28P3
–
3654A–MICRO–8/09
Note 1
Note 1
NOTE
05/18/04
REV.
C