AT89LV55-12PC Atmel, AT89LV55-12PC Datasheet - Page 25
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AT89LV55-12PC
Manufacturer Part Number
AT89LV55-12PC
Description
IC 8051 MCU FLASH 20K 40DIP
Manufacturer
Atmel
Series
89LVr
Datasheet
1.AT89LV55-12AI.pdf
(32 pages)
Specifications of AT89LV55-12PC
Core Processor
8051
Core Size
8-Bit
Speed
12MHz
Connectivity
UART/USART
Number Of I /o
32
Program Memory Size
20KB (20K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
28. External Clock Drive
29. Serial Port Timing: Shift Register Mode Test Conditions
The values in this table are valid for V
0811E–MICRO–9/08
Symbol
1/t
t
t
t
t
t
Symbol
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
XLXL
QVXH
XHQX
XHDX
XHDV
CLCL
Parameter
Serial Port Clock Cycle Time
Output Data Setup to Clock Rising
Edge
Output Data Hold After Clock
Rising Edge
Input Data Hold After Clock Rising
Edge
Clock Rising Edge to Input Data
Valid
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
CC
= 5.0V ± 20% and Load Capacitance = 80 pF.
Min
700
1.0
50
0
12 MHz Osc
Max
700
83.3
Min
20
20
0
10t
2t
CLCL
12t
CLCL
Min
Variable Oscillator
0
CLCL
- 117
- 133
Max
12
20
20
10t
CLCL
Max
AT89LV55
- 133
Units
MHz
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
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