Instruction Manual

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 6ns
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