AT26DF321-S3U ATMEL [ATMEL Corporation], AT26DF321-S3U Datasheet - Page 26

• Manufacturer Part Number: AT26DF321-S3U
• Description: 32-megabit 2.7-volt Only Serial Firmware DataFlash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

12.4
Notes:
12.5
Notes:
26
Symbol
f
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
t
SCK
RDLF
SCKH
SCKL
SCKR
SCKF
CSH
CSLS
CSLH
CSHS
CSHH
DS
DH
DIS
V
OH
WPS
WPH
SECP
SECUP
EDPD
RDPD
PP
BP
BLKE
CHPE
WRSR
(1)
(1)(2)
(1)(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
AC Characteristics
1. Not 100% tested (value guaranteed by design and characterization).
2. Only applicable as a constraint for the Write Status Register command when SPRL = 1.
Program and Erase Characteristics
1. Not 100% tested (value guaranteed by design and characterization).
AT26DF321 [Preliminary]
Parameter
Serial Clock (SCK) Frequency
SCK Frequency for Read Array (Low Frequency – 03h opcode)
SCK High Time
SCK Low Time
SCK Rise Time, Peak-to-Peak (Slew Rate)
SCK Fall Time, Peak-to-Peak (Slew Rate)
Chip Select High Time
Chip Select Low Setup Time (relative to SCK)
Chip Select Low Hold Time (relative to SCK)
Chip Select High Setup Time (relative to SCK)
Chip Select High Hold Time (relative to SCK)
Data In Setup Time
Data In Hold Time
Output Disable Time
Output Valid Time
Output Hold Time
Write Protect Setup Time
Write Protect Hold Time
Sector Protect Time (from Chip Select High)
Sector Unprotect Time (from Chip Select High)
Chip Select High to Deep Power-Down
Chip Select High to Standby Mode
Parameter
Page Program Time (256 Bytes)
Byte Program Time
Block Erase Time
Chip Erase Time
Write Status Register Time
4-Kbyte
32-Kbyte
64-Kbyte
Min
0.05
0.35
Typ
1.5
0.7
36
6
Min
100
6.8
0.1
6.8
0.1
20
50
5
5
5
5
2
3
0
Max
200
5.0
0.2
0.6
1.0
56
Max
3633C–DFLASH–08/06
66
33
20
20
6
6
3
3
Units
Units
MHz
MHz
sec
sec
V/ns
V/ns
ms
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs