AT87F51 ATMEL Corporation, AT87F51 Datasheet - Page 7

• Manufacturer Part Number: AT87F51
• Description: 8-Bit Microcontroller with 4K Bytes QuickFlash
• Manufacturer: ATMEL Corporation

QuickFlash Programming and Verification Characteristics
T
Symbol
V
I
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
A
PP
AVGL
GHAX
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
AVQV
ELQV
EHQZ
GHBL
WC
PP
= 0°C to 70°C, V
CLCL
(1)
Parameter
Programming Enable Voltage
Programming Enable Current
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
= 5.0
Setup to PROG Low
Hold After PROG
10%
PP
48t
48t
48t
48t
48t
11.5
Min
10
10
CLCL
CLCL
CLCL
CLCL
CLCL
3
1
0
48t
48t
48t
Max
12.5
110
1.0
1.0
2.0
24
CLCL
CLCL
CLCL
Units
MHz
mA
ms
V
s
s
s
s
7