at26f004 ATMEL Corporation, at26f004 Datasheet - Page 24

• Manufacturer Part Number: at26f004
• Description: At26f004 4-megabit 2.7-volt Only Serial Firmware Dataflash Memory
• Manufacturer: ATMEL Corporation

Table 11-2.
Figure 11-1. Read Manufacturer and Device ID
24
Data Type
Manufacturer ID
Device ID (Part 1)
Device ID (Part 2)
AT26F004
Manufacturer and Device ID Details
SCK
SO
CS
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
SI
0
0
0
Family Code
MLC Code
Note: Each transition
0
0
0
HIGH-IMPEDANCE
JEDEC Assigned Code
0
0
0
0
OPCODE
9Fh
1
0
0
6
Product Version Code
7
shown for SI and SO represents one byte (8 bits)
MANUFACTURER ID
8
1
0
0
Density Code
1Fh
1
1
0
14
15
16
1
0
0
DEVICE ID
BYTE 1
04h
1
0
0
22
23
Value Details
24
Hex
1FH
04H
00H
DEVICE ID
BYTE 2
00h
JEDEC Code:
Family Code:
Density Code:
MLC Code:
Product Version: 00000 (Initial version)
30
31
STRING LENGTH
32
INFORMATION
EXTENDED
DEVICE
00h
38
0001 1111 (1FH for Atmel)
000 (1-bit/cell technology)
000 (AT26Fxxx series)
00100 (4-Mbit)
3588C–DFLASH–04/06