Rainbow Electronics AT45DB321D User Manual

Page 34

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34

3597J–DFLASH–4/08

AT45DB321D

Table 18-4.

AC Characteristics – RapidS/Serial Interface

Symbol

Parameter

AT45DB321D

Min

Typ

Max

Units

f

SCK

SCK Frequency

66

MHz

f

CAR1

SCK Frequency for Continuous Array Read

66

MHz

f

CAR2

SCK Frequency for Continuous Array Read
(Low Frequency)

33

MHz

t

WH

SCK High Time

6.8

ns

t

WL

SCK Low Time

6.8

ns

t

SCKR

(1)

SCK Rise Time, Peak-to-Peak (Slew Rate)

0.1

V/ns

t

SCKF

(1)

SCK Fall Time, Peak-to-Peak (Slew Rate)

0.1

V/ns

t

CS

Minimum CS High Time

50

ns

t

CSS

CS Setup Time

5

ns

t

CSH

CS Hold Time

5

ns

t

CSB

CS High to RDY/BUSY Low

100

ns

t

SU

Data In Setup Time

2

ns

t

H

Data In Hold Time

3

ns

t

HO

Output Hold Time

0

ns

t

DIS

Output Disable Time

6

ns

t

V

Output Valid

6

ns

t

WPE

WP Low to Protection Enabled

1

µs

t

WPD

WP High to Protection Disabled

1

µs

t

EDPD

CS High to Deep Power-down Mode

3

µs

t

RDPD

CS High to Standby Mode

35

µs

t

XFR

Page to Buffer Transfer Time

200

µs

t

comp

Page to Buffer Compare Time

200

µs

t

EP

Page Erase and Programming Time (512/528 bytes)

17

40

ms

t

P

Page Programming Time (512/528 bytes)

3

6

ms

t

PE

Page Erase Time (512/528 bytes)

15

35

ms

t

BE

Block Erase Time (4,096/4,224 bytes)

45

100

ms

t

CE

Chip Erase Time

TBD

TBD

s

t

SE

Sector Erase Time (262,144/270,336 bytes)

1.6

5

s

t

RST

RESET Pulse Width

10

µs

t

REC

RESET Recovery Time

1

µs

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