Features
> SPI bus compatible serial interface
> 75 MHz (maximum) clock frequency
> 2.3 V to 3.6 V single supply voltage
> Dual input/output instructions resulting in
an equivalent clock frequency of 150 MHz:
-
Dual
Output Fast Read instruction
-
Dual
Input Fast Program instruction
> 8 Mbit Flash memory
-
Uniform
4-Kbyte subsectors
-
Uniform
64-Kbyte sectors
> Additional 64-byte user-lockable, one-time programmable
(OTP) area
> Erase capability
-
Subsector
(4-Kbyte) granularity
-
Sector
(64-Kbyte) granularity
-
Bulk
Erase (8 Mbit) in 8 s (typical)
> Write protections
-
Software
write protection applicable to every 64-Kbyte sector (volatile lock bit)
-
Hardware
write protection: protected area size defined by three non-volatile bits (BP0, BP1
and BP2)
> Deep Power-down mode: 5 μA (typical)
> Electronic signature
-
JEDEC
standard two-byte signature (7114h)
-
Unique
ID code (UID) with16 bytes read-only, available upon customer request
> More than 100 000 write cycles per sector
> More than 20 year data retention
> Packages
-
RoHS
compliant
Software
protection truth table (Sectors 0 to 63, 64 Kbyte granularity)
Sector Lock Register
|
Protection status
|
|
Lock
Down bit
|
Write
Lock bit
|
|
0
|
0
|
Sector
unprotected from Program/Erase/Write operations, protection status reversible
|
0
|
1
|
Sector protected
from Program/Erase/Write operations, protection status reversible
|
1
|
0
|
Sector
unprotected from Program/Erase/Write operations, Sector protection status
cannot be changed except by a power-up.
|
1
|
1
|
Sector protected
from Program/Erase/Write operations, Sector protection status cannot be
changed except by a Power-up.
|
Instruction set
Instruction
|
Description
|
One-byte instruction code
|
Address Bytes
|
Dummy Bytes
|
Data Bytes
|
WREN
|
Write Enable
|
06h (0000 0110B)
|
0
|
0
|
0
|
WRDI
|
Write Disable
|
04h (0000 0100B)
|
0
|
0
|
0
|
RDID
|
Read
Identification
|
9Fh (1001 1111B)
|
0
|
0
|
1 to 20
|
9Eh (1001 1110B)
|
0
|
0
|
1 to 3
|
||
RDSR
|
Read Status
Register
|
05h (0000 0101B)
|
0
|
0
|
1 to ∞
|
WRSR
|
Write Status
Register
|
01h (0000 0001B)
|
0
|
0
|
1
|
WRLR
|
Write to Lock
Register
|
E5h (1110 0101B)
|
3
|
0
|
1
|
RDLR
|
Read Lock
Register
|
E8h (1110 1000B)
|
3
|
0
|
1
|
READ
|
Read Data Bytes
|
03h (0000 0011B)
|
3
|
0
|
1 to ∞
|
FAST_READ
|
Read Data Bytes
at higher speed
|
0Bh (0000 1011B)
|
3
|
1
|
1 to ∞
|
DOFR
|
Dual Output Fast
Read
|
3Bh (0011 1011B)
|
3
|
1
|
1 to ∞
|
ROTP
|
Read OTP (Read
64 bytes of OTP area)
|
4Bh (0100 1011B)
|
3
|
1
|
1 to 65
|
POTP
|
Program OTP
(Program 64 bytes of OTP area)
|
42h (0100 0010B)
|
3
|
0
|
1 to 65
|
PP
|
Page Program
|
02h (0000 0010B)
|
3
|
0
|
1 to 256
|
DIFP
|
Dual Input Fast
Program
|
A2h (1010 0010B)
|
3
|
0
|
1 to 256
|
SSE
|
Subsector Erase
|
20h (0010 0000B)
|
3
|
0
|
0
|
SE
|
Sector Erase
|
D8h (1101 1000B)
|
3
|
0
|
0
|
BE
|
Bulk Erase
|
C7h (1100 0111B)
|
0
|
0
|
0
|
DP
|
Deep Power-down
|
B9h (1011 1001B)
|
0
|
0
|
0
|
RDP
|
Release from
Deep Power-down
|
ABh (1010 1011B)
|
0
|
0
|
0
|
Status Register
Format
Bit
|
Name
|
Description
|
7
|
SRWD
|
Status Register
Write Protect
|
6
|
0
|
|
5
|
TB
|
Top/Bottom bit
|
4:2
|
BP2 – BP0
|
Block Protect
bits
|
1
|
WEL
|
Write Enable
Latch bit
|
0
|
WIP
|
Write In Progress
bit
|
Manufacturer and
Device ID Information
Byte No.
|
Data Type
|
Value
|
1
|
Manufacturer
identification
|
20h
|
2
|
Device
identification (Memory type)
|
71h
|
3
|
Device
identification (Memory capacity)
|
14h
|
4
|
UID(CFD length)
|
10h
|
5-20
|
UID(CFD content)
|
16 bytes
|
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