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AT26DF321 Datasheet(PDF) 26 Page - ATMEL Corporation

Part # AT26DF321
Description  32-megabit 2.7-volt Only Serial Firmware DataFlash Memory
PDF  34 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT26DF321 Datasheet(HTML) 26 Page - ATMEL Corporation

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26
3633C–DFLASH–08/06
AT26DF321 [Preliminary]
Notes:
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.
Notes:
1. Not 100% tested (value guaranteed by design and characterization).
12.4
AC Characteristics
Symbol
Parameter
Min
Max
Units
fSCK
Serial Clock (SCK) Frequency
66
MHz
f
RDLF
SCK Frequency for Read Array (Low Frequency – 03h opcode)
33
MHz
t
SCKH
SCK High Time
6.8
ns
tSCKL
SCK Low Time
6.8
ns
t
SCKR
(1)
SCK Rise Time, Peak-to-Peak (Slew Rate)
0.1
V/ns
tSCKF
(1)
SCK Fall Time, Peak-to-Peak (Slew Rate)
0.1
V/ns
tCSH
Chip Select High Time
50
ns
t
CSLS
Chip Select Low Setup Time (relative to SCK)
5
ns
tCSLH
Chip Select Low Hold Time (relative to SCK)
5
ns
tCSHS
Chip Select High Setup Time (relative to SCK)
5
ns
t
CSHH
Chip Select High Hold Time (relative to SCK)
5
ns
tDS
Data In Setup Time
2
ns
tDH
Data In Hold Time
3
ns
t
DIS
(1)
Output Disable Time
6ns
tV
Output Valid Time
6ns
tOH
Output Hold Time
0
ns
t
WPS
(1)(2)
Write Protect Setup Time
20
ns
tWPH
(1)(2)
Write Protect Hold Time
100
ns
t
SECP
(1)
Sector Protect Time (from Chip Select High)
20
ns
t
SECUP
(1)
Sector Unprotect Time (from Chip Select High)
20
ns
tEDPD
(1)
Chip Select High to Deep Power-Down
3
µs
t
RDPD
(1)
Chip Select High to Standby Mode
3
µs
12.5
Program and Erase Characteristics
Symbol
Parameter
Min
Typ
Max
Units
t
PP
Page Program Time (256 Bytes)
1.5
5.0
ms
tBP
Byte Program Time
6
µs
t
BLKE
Block Erase Time
4-Kbyte
0.05
0.2
sec
32-Kbyte
0.35
0.6
64-Kbyte
0.7
1.0
t
CHPE
(1)
Chip Erase Time
36
56
sec
tWRSR
(1)
Write Status Register Time
200
ns



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