AT89C4051 Atmel Corporation, AT89C4051 Datasheet - Page 13

• Manufacturer Part Number: AT89C4051
• Manufacturer: Atmel Corporation

Specifications of AT89C4051

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 24 MHz
• Cpu: 8051-12C
• Max I/o Pins: 15
• Uart: 1
• Sram (kbytes): 0.125
• Operating Voltage (vcc): 2.7 to 6.0
• Timers: 2

18. External Clock Drive Waveforms
19. External Clock Drive
1001F–MICRO–6/08
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
83.3
Min
30
30
0
V
CC
= 2.7V to 6.0V
Max
12
20
20
41.6
Min
15
15
0
V
CC
= 4.0V to 6.0V
AT89C4051
Max
24
20
20
Units
MHz
ns
ns
ns
ns
ns
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