at89ls51-16si ATMEL Corporation, at89ls51-16si Datasheet - Page 18
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
at89ls51-16si
Manufacturer Part Number
at89ls51-16si
Description
At89ls51, Low-voltage Microcontroller With 4k Bytes In-system Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LS51-16SI.pdf
(32 pages)
18. Flash Programming and Verification Characteristics (Parallel Mode)
T
Figure 18-1. Flash Programming and Verification Waveforms – Parallel Mode
18
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
AT89LS51
P1.0 - P1.7
P2.0 - P2.3
ALE/PROG
(RDY/BSY)
(ENABLE)
PORT 0
P3.0
P2.7
EA/V
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
= 4.5 to 5.5V
PP
Setup to PROG Low
Hold After PROG
Supply Current
t
t
SHGL
AVGL
PP
t
EHSH
V
PROGRAMMING
PP
t
DVGL
ADDRESS
DATA IN
t
GLGH
t
GHBL
t
GHDX
t
ELQV
t
GHAX
t
GHSL
LOGIC 1
LOGIC 0
BUSY
t
WC
48 t
48 t
48 t
48 t
48 t
11.5
Min
VERIFICATION
0.2
10
10
3
0
CLCL
CLCL
CLCL
CLCL
CLCL
DATA OUT
ADDRESS
t
AVQV
READY
48 t
48 t
48 t
12.5
Max
1.0
t
10
30
16
50
EHQZ
1
CLCL
CLCL
CLCL
3053B–MICRO–3/05
Units
MHz
mA
mA
µs
µs
µs
µs
µs
V