AT89C2051-12PC Atmel, AT89C2051-12PC Datasheet - Page 11

• Manufacturer Part Number: AT89C2051-12PC
• Manufacturer: Atmel

Specifications of AT89C2051-12PC

• Cpu Family: 89C
• Device Core: 8051
• Device Core Size: 8b
• Frequency (max): 12MHz
• Interface Type: UART
• Program Memory Type: Flash
• Program Memory Size: 2KB
• Total Internal Ram Size: 128Byte
• # I/os (max): 15
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 6V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 20
• Package Type: PDIP
• Lead Free Status / Rohs Status: Not Compliant

14. Flash Programming and Verification Characteristics
T
Note:
15. Flash Programming and Verification Waveforms
0368H–MICRO–6/08
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
A
PP
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
ELQV
EHQZ
GHBL
WC
BHIH
IHIL
PP
= 0°C to 70°C, V
1. Only used in 12-volt programming mode.
CC
Parameter
Programming Enable Voltage
Programming Enable Current
Data Setup to PROG Low
Data Hold after PROG
P3.4 (ENABLE) High to V
V
V
PROG Width
ENABLE Low to Data Valid
Data Float after ENABLE
PROG High to BUSY Low
Byte Write Cycle Time
RDY/BSY\ to Increment Clock Delay
Increment Clock High
= 5.0 ± 10%
PP
PP
Setup to PROG Low
Hold after PROG
PP
11.5
Min
200
1.0
1.0
1.0
1.0
10
10
0
1
AT89C2051
12.5
Max
250
110
1.0
1.0
2.0
50
Units
ms
µA
µs
µs
µs
µs
µs
µs
µs
µs
ns
µs
ns
V
11