Ac characteristics – serial/parallel interface, Ac characteristics – serial interface – Rainbow Electronics AT45DB642 User Manual

Page 15

Advertising
background image

15

AT45DB642

1638F–DFLSH–09/02

AC Characteristics – Serial/Parallel Interface

Symbol

Parameter

Min

Max

Units

t

SPH

SER/PAR Hold Time

100

ns

t

SPS

SER/PAR Setup Time

100

ns

AC Characteristics – Serial Interface

Symbol

Parameter

Min

Max

Units

f

SCK

SCK Frequency

20

MHz

f

CAR

SCK Frequency for Continuous Array Read

15

MHz

f

BARSD

SCK Frequency for Burst Array Read with Synchronous Delay

20

MHz

t

WH

SCK High Time

22

ns

t

WL

SCK Low Time

22

ns

t

CS

Minimum CS High Time

250

ns

t

CSS

CS Setup Time

250

ns

t

CSH

CS Hold Time

250

ns

t

CSB

CS High to RDY/BUSY Low

150

ns

t

SU

Data In Setup Time

5

ns

t

H

Data In Hold Time

10

ns

t

HO

Output Hold Time

0

ns

t

DIS

Output Disable Time

18

ns

t

V

Output Valid

20

ns

t

XFR

Page to Buffer Transfer/Compare Time

700

µs

t

EP

Page Erase and Programming Time

20

ms

t

P

Page Programming Time

14

ms

t

PE

Page Erase Time

8

ms

t

BE

Block Erase Time

12

ms

t

RST

RESET Pulse Width

10

µs

t

REC

RESET Recovery Time

1

µs

Advertising