Rainbow-electronics AT25F1024A Manual de usuario descargar pdf (Pagina 4)

3346C–SEEPR–7/04

Notes: 1. The programming time for n bytes will be equal to n x t

BPC

2. This parameter is characterized at 3.3V, 25°C and is not 100% tested.

3. One write cycle consists of erasing a sector, followed by programming the same sector.

AC Characteristics (Preliminary – Subject to Change)

Applicable over recommended operating range from T

= -40 to +85°C, V

= +2.7 to +3.6V

= 1 TTL Gate and 30 pF (unless otherwise noted).

Symbol Parameter Min Typ Max Units

SCK

SCK Clock Frequency 0 20 MHz

Input Rise Time 20 ns

Input Fall Time 20 ns

SCK High Time 20 ns

SCK Low Time 20 ns

CS High Time 25 ns

CSS

CS Setup Time 25 ns

CSH

CS Hold Time 25 ns

Data In Setup Time 5 ns

Data In Hold Time 5 ns

Hold Setup Time 15 ns

Hold Time 15 ns

Output Valid 20 ns

Output Hold Time 0 ns

Hold to Output Low Z 200 ns

Hold to Output High Z 200 ns

DIS

Output Disable Time 100 ns

Erase Cycle Time per Sector 1.1 s

Status Register Write Cycle Time 60 ms

BPC

Byte Program Cycle Time

(1)

20 60 µs

Endurance

(2)

10K Write Cycles

(3)

1 2 3 4 5 6 7 8 9 ... 17 18

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Rainbow-electronics AT25F1024A Manual de usuario Pagina 4