AT25DF081-MHN-Y Atmel, AT25DF081-MHN-Y Datasheet - Page 24

• Manufacturer Part Number: AT25DF081-MHN-Y
• Description: IC FLASH 8MBIT 66MHZ 8UDFN
• Manufacturer: Atmel

Specifications of AT25DF081-MHN-Y

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 8M (4096 pages x 256 bytes)
• Speed: 66MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-UDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 11-1.
Table 11-2.
24
Data Type
Manufacturer ID
Device ID (Part 1)
Device ID (Part 2)
Byte No.
AT25DF081
1
2
3
4
Manufacturer and Device ID Information
Manufacturer and Device ID Details
Bit 7
0
0
0
Family Code
Sub Code
Data Type
Manufacturer ID
Device ID (Part 1)
Device ID (Part 2)
Extended Device Information String Length
Bit 6
Deasserting the CS pin will terminate the Manufacturer and Device ID read operation and put
the SO pin into a high-impedance state. The CS pin can be deasserted at any time and does not
require that a full byte of data be read.
Figure 11-1. Read Manufacturer and Device ID
0
1
0
SCK
Bit 5
SO
CS
0
0
0
SI
JEDEC Assigned Code
Note: Each transition
Bit 4
1
0
0
HIGH-IMPEDANCE
Bit 3
Product Version Code
1
0
0
0
Density Code
OPCODE
9Fh
Bit 2
1
1
0
6
7
shown for SI and SO represents one byte (8 bits)
MANUFACTURER ID
Bit 1
1
0
1
8
1Fh
Bit 0
1
1
0
14
15
Value
16
Hex
1Fh
47h
00h
DEVICE ID
BYTE 1
45h
Details
JEDEC Code:
Family Code:
Density Code:
Sub Code:
Product Version:
22
23
24
DEVICE ID
BYTE 2
02h
30
0001 1111 (1Fh for Atmel)
010 (AT25DF/26DFxxx series)
00101 (8-Mbit)
000 (Standard series)
00010
31
STRING LENGTH
32
INFORMATION
EXTENDED
DEVICE
00h
3674E–DFLASH–8/08
38
Value
1Fh
45h
02h
00h