N25Q128A11B1240E NUMONYX, N25Q128A11B1240E Datasheet - Page 95
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N25Q128A11B1240E
Manufacturer Part Number
N25Q128A11B1240E
Description
Manufacturer
NUMONYX
Datasheet
1.N25Q128A11B1240E.pdf
(185 pages)
Specifications of N25Q128A11B1240E
Cell Type
NOR
Density
128Mb
Access Time (max)
7ns
Interface Type
Serial (SPI)
Boot Type
Bottom
Address Bus
1b
Operating Supply Voltage (typ)
1.8V
Operating Temp Range
-40C to 85C
Package Type
TBGA
Program/erase Volt (typ)
1.7 to 2/8.5 to 9.5V
Sync/async
Synchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
1.7V
Operating Supply Voltage (max)
2V
Word Size
8b
Number Of Words
16M
Supply Current
20mA
Mounting
Surface Mount
Pin Count
24
Lead Free Status / Rohs Status
Supplier Unconfirmed
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9.1.16
DQ0
DQ1
DQ3
DQ2
C
S
Figure 24. Quad Input Extended Fast Program instruction sequence
Program OTP instruction (POTP)
The Program OTP instruction (POTP) is used to program at most 64 bytes to the OTP
memory area (by changing bits from 1 to 0, only). Before it can be accepted, a Write Enable
(WREN) instruction must previously have been executed. After the Write Enable (WREN)
instruction has been decoded, the device sets the Write Enable Latch (WEL) bit.
The Program OTP instruction is entered by driving Chip Select (S) Low, followed by the
instruction opcode, three address bytes and at least one data byte on Serial Data input
(DQ0). Chip Select (S) must be driven High after the eighth bit of the last data byte has been
latched in, otherwise the Program OTP instruction is not executed.
There is no rollover mechanism with the Program OTP (POTP) instruction. This means that
the Program OTP (POTP) instruction must be sent with a maximum of 65 bytes to program,
once all 65 bytes have been latched in, any following byte will be discarded.
As soon as Chip Select (S) is driven High, the self-timed Page Program cycle (whose
duration is tPP) is initiated. While the Program OTP cycle is in progress, the Status Register
may be read to check the value of the Write In Progress (WIP) bit. The Write In Progress
(WIP) bit is 1 during the self-timed Program OTP cycle, and it is 0 when it is completed. At
some unspecified time before the cycle is complete, the Write Enable Latch (WEL) bit is
reset.
To lock the OTP memory:
Bit 0 of the OTP control byte, that is byte 64, is used to permanently lock the OTP memory
array.
When bit 0 of byte 64 = '1', the 64 bytes of the OTP memory array can be programmed.
When bit 0 of byte 64 = '0', the 64 bytes of the OTP memory array are read-only and
cannot be programmed anymore.
0
‘1’
Don’t Care
Don’t Care
1
Instruction
2
3
4
5
6
7
23 19 15
20 16 12 8
21 17 13 9
22 18 14 10
8
24-bit address
9 10
11
11 12 13 14 15 16
6
7
5
4
3
1
2
0
7
5
6
4
MSB
1
Data In
2
3
1
0
6
7
5
4
MSB
2
17 18 19
2
3
1
0
6
7
5
4
MSB
3
Data In
3
1
2
0
Quad_Input_Extended_Fast_Program
20
7
5
6
4
MSB
4
3
21
1
2
0
22
6
7
5
4
MSB
5
Data In
23
2
3
1
0
7
24
5
6
4
MSB
6
25
2
3
1
0
7
26
5
6
4
MSB
7
27
3
1
2
0
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