User guide

4
AT25F512/1024
1440P–SEEPR–6/04
Notes: 1. The programming time for n bytes will be equal to n x t
BPC
.
2. This parameter is characterized at 3.0V, 25°C and is not 100% tested.
3. One write cycle consists of erasing a sector, followed by programming the same sector.
AC Characteristics
Applicable over recommended operating range from T
AI
= -40°C to +85°C, V
CC
= +2.7V to +3.6V
C
L
= 1 TTL Gate and 30 pF (unless otherwise noted).
Symbol Parameter Min Typ Max Units
f
SCK
SCK Clock Frequency 0 20 MHz
t
RI
Input Rise Time 20 ns
t
FI
Input Fall Time 20 ns
t
WH
SCK High Time 20 ns
t
WL
SCK Low Time 20 ns
t
CS
CS High Time 25 ns
t
CSS
CS Setup Time 25 ns
t
CSH
CS Hold Time 25 ns
t
SU
Data In Setup Time 5 ns
t
H
Data In Hold Time 5 ns
t
HD
Hold Setup Time 15 ns
t
CD
Hold Time 15 ns
t
V
Output Valid 20 ns
t
HO
Output Hold Time 0 ns
t
LZ
Hold to Output Low Z 200 ns
t
HZ
Hold to Output High Z 200 ns
t
DIS
Output Disable Time 100 ns
t
EC
Erase Cycle Time per Sector 1.1 s
t
BPC
Byte Program Cycle Time
(1)
60 100 µs
t
SR
Status Register Write Cycle Time 60 ms
Endurance
(2)
10K Write Cycles
(3)