AT89C2051X2 ATMEL [ATMEL Corporation], AT89C2051X2 Datasheet - Page 11

• Manufacturer Part Number: AT89C2051X2
• Description: 8-bit Microcontroller with 2K Bytes Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Flash Programming and Verification Characteristics
T
Note:
Flash Programming and Verification Waveforms
3285B–MICRO–10/03
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
1
0
AT89C2051x2
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