AT89LP51 Atmel Corporation, AT89LP51 Datasheet - Page 108

• Manufacturer Part Number: AT89LP51
• Manufacturer: Atmel Corporation

Specifications of AT89LP51

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 36
• Uart: 1
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI
• Watchdog: Yes

20. Packaging Information
20.1
108
44A – TQFP
C
AT89LP51/52
Notes:
[e-mail]
Package Drawing Contact:
e
0°~7°
1. This package conforms to JEDEC reference MS-026, Variation ACB.
2. Dimensions D1 and E1 do not include mold protrusion.
3. Lead coplanarity is 0.10 mm maximum.
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
L
TOP VIEW
SIDE VIEW
D1
TITLE
44A, 44-lead 10.0 x 10.0x1.0 mm Body, 0.80 mm
Lead Pitch, Thin Profile Plastic Quad Flat
Package (TQFP)
E1
A1
b
A2
Allowable
A
SYMBOL
BOTTOM VIEW
A
A1
A2
D
D1
E
E1
B
C
L
e
11.75
11.75
0.30
D
0.05
9.90
9.90
0.09
0.45
COMMON DIMENSIONS
0.95
MIN
(Unit of Measure = mm)
–
0.80 TYP
GPC
AIX
12.00
10.00
12.00
10.00
NOM
1.00
–
–
–
–
–
DRAWING NO.
12.25
10.10
12.25
10.10
MAX
1.20
0.15
1.05
0.45
0.20
0.75
44A
E
Note 2
Note 2
NOTE
3709D–MICRO–12/11
09/23/11
REV.
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