AT26DF081A-SU Atmel, AT26DF081A-SU Datasheet - Page 10

• Manufacturer Part Number: AT26DF081A-SU
• Description: IC FLASH 8MBIT 70MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT26DF081A-SU

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 8M (4096 pages x 256 bytes)
• Speed: 70MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT26DF081-SU; AT26DF081-SU

Figure 8-1.
Figure 8-2.
10
SCK
SO
CS
SI
AT26DF081A
Byte Program
Page Program
SCK
SO
CS
SI
MSB
HIGH-IMPEDANCE
0
0
0
1
reset back to the logical “0” state if the program cycle aborts due to an incomplete address being
sent, an incomplete byte of data being sent, or because the memory location to be programmed
is protected.
While the device is programming, the Status Register can be read and will indicate that the
device is busy. For faster throughput, it is recommended that the Status Register be polled
rather than waiting the t
some point before the program cycle completes, the WEL bit in the Status Register will be reset
back to the logical “0” state.
The device also incorporates an intelligent programming algorithm that can detect when a byte
location fails to program properly. If a programming error arises, it will be indicated by the EPE
bit in the Status Register.
The Byte/Page Program mode is the default programming mode after the device powers-up or
resumes from a device reset.
0
2
OPCODE
0
HIGH-IMPEDANCE
MSB
3
0
0
0
4
0
1
0
5
0
2
OPCODE
1
6
0
3
0
7
0
MSB
4
A
ADDRESS BITS A23-A0
8
0
5
A
9
1
6
A
0
7
MSB
PP
A
8
A
A
time to determine if the data bytes have finished programming. At
29 30
9
ADDRESS BITS A23-A0
A
A
10 11
A
A
31 32
MSB
A
D
12
A
D
33
DATA IN BYTE 1
D
34
D
35
A
29 30
D
36
A
D
37 38
A
31 32
D
MSB
D
D
39
D
33
D
34
DATA IN
D
35
MSB
D
D
36
D
DATA IN BYTE n
D
37 38
D
D
D
D
39
D
D
D
D
3600G–DFLASH–06/09