AT45DB321C-RI ATMEL [ATMEL Corporation], AT45DB321C-RI Datasheet - Page 19

• Manufacturer Part Number: AT45DB321C-RI
• Description: 32 MEGABIT 2.7 VOLT DATAFLASH
• Manufacturer: ATMEL [ATMEL Corporation]

AC Characteristics – Serial Interface
Note:
3387B–DFLSH–9/04
Symbol
f
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SCK
CAR
WH
WL
CS
CSS
CSH
CSB
SU
H
HO
DIS
V
XFR
EP
P
PE
BE
RST
REC
WPE
WPD
(2)
(2)
(2)
(2)
(1)
(1)
1. Maximum specified frequency for SPI compatibility is 33 MHz.
2. Value are based on device characterization, not 100% tested in production.
Parameter
SCK Frequency
SCK Frequency for Continuous Array Read
SCK High Time
SCK Low Time
Minimum CS High Time
CS Setup Time
CS Hold Time
CS High to RDY/BUSY Low
Data In Setup Time
Data In Hold Time
Output Hold Time
Output Disable Time
Output Valid
Page to Buffer Transfer Time
Page Erase and Programming Time
Page Programming Time
Page Erase Time
Block Erase Time
RESET Pulse Width
RESET Recovery Time
WP Low to Protection Enabled
WP High to Protection Disabled
AT45DB321C [Preliminary]
Min
250
250
250
10
10
10
3
6
0
1
Typ
20
10
30
Max
150
250
40
40
10
12
50
14
40
60
1
1
Units
MHz
MHz
ms
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs
µs
µs
19