at25df321a ATMEL Corporation, at25df321a Datasheet - Page 49

• Manufacturer Part Number: at25df321a
• Description: 32-megabit 2.7-volt Minimum Spi Serial Flash Memory
• Manufacturer: ATMEL Corporation

14.4
14.5
3686C–DFLASH–12/08
Symbol
RapidS and SPI Operation
f
f
f
f
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
MAX
CLK
RDLF
RDDO
CLKH
CLKL
CLKR
CLKF
CSH
CSLS
CSLH
CSHS
CSHH
DS
DH
DIS
V
OH
HLS
HLH
HHS
HHH
HLQZ
HHQX
WPS
WPH
SECP
SECUP
LOCK
(2)
(1)
(1)(3)
(1)(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
AC Characteristics – Maximum Clock Frequencies
AC Characteristics – All Other Parameters
Parameter
Maximum Clock Frequency for All Operations – RapidS Operation Only
(excluding 0Bh, 03h, 3Bh, and 9F opcodes)
Maximum Clock Frequency for All Operations
(excluding 03h and 3Bh opcodes)
Maximum Clock Frequency for 03h Opcode (Read Array – Low Frequency)
Maximum Clock Frequency for 3Bh Opcode (Dual-Output Read)
Parameter
Clock High Time
Clock Low Time
Clock Rise Time, Peak-to-Peak (Slew Rate)
Clock Fall Time, Peak-to-Peak (Slew Rate)
Chip Select High Time
Chip Select Low Setup Time (relative to Clock)
Chip Select Low Hold Time (relative to Clock)
Chip Select High Setup Time (relative to Clock)
Chip Select High Hold Time (relative to Clock)
Data In Setup Time
Data In Hold Time
Output Disable Time
Output Valid Time
Output Hold Time
HOLD Low Setup Time (relative to Clock)
HOLD Low Hold Time (relative to Clock)
HOLD High Setup Time (relative to Clock)
HOLD High Hold Time (relative to Clock)
HOLD Low to Output High-Z
HOLD High to Output Low-Z
Write Protect Setup Time
Write Protect Hold Time
Sector Protect Time (from Chip Select High)
Sector Unprotect Time (from Chip Select High)
Sector Lockdown and Freeze Sector Lockdown State Time (from Chip Select High)
AT25DF321A [Preliminary]
Min
Min
100
4.3
4.3
0.1
0.1
50
20
5
5
5
5
2
1
2
5
5
5
5
Max
Max
100
200
85
50
85
20
20
5
5
5
5
Units
Units
MHz
MHz
MHz
MHz
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
49