AT89C55WD-33AC ATMEL Corporation, AT89C55WD-33AC Datasheet - Page 25

• Manufacturer Part Number: AT89C55WD-33AC
• Description: 8-bit Microcontroller with 20K Bytes Flash
• Manufacturer: ATMEL Corporation

Flash Programming and Verification Characteristics
T
1921B–MICRO–09/02
A
Symbol
V
I
I
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
CC
AVGL
GHAX
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
AVQV
ELQV
EHQZ
GHBL
WC
PP
= 20°C to 30°C, V
CLCL
CC
Parameter
Programming Supply Voltage
Programming Supply Current
V
Oscillator Frequency
Address Setup to PROG Low
Address Hold After PROG
Data Setup to PROG Low
Data Hold After PROG
P2.7 (ENABLE) High to V
V
V
PROG Width
Address to Data Valid
ENABLE Low to Data Valid
Data Float After ENABLE
PROG High to BUSY Low
Byte Write Cycle Time
CC
PP
PP
= 4.5V to 5.5V
Setup to PROG Low
Hold After PROG
Supply Current
PP
48t
48t
48t
48t
48t
11.5
Min
0.2
10
10
3
0
CLCL
CLCL
CLCL
CLCL
CLCL
48t
48t
48t
AT89C55WD
Max
12.5
1.0
10
30
33
80
1
CLCL
CLCL
CLCL
Units
MHz
mA
mA
µs
µs
µs
µs
µs
V
25