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PDF ( 数据手册 , 数据表 ) PN25F08

零件编号 PN25F08
描述 8M-BIT SERIAL FLASH MEMORY
制造商 PARAGON
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PN25F08 数据手册, 描述, 功能
SPI NOR
PN25F08
PN25F08
8M-BIT SERIAL FLASH MEMORY
Datasheet
Aug. 2015
A 1.4
NOTE: INFORMATION IN THIS PRODUCT SPECIFICATION IS SUBJECT TO CHANGE AT
ANYTIME WITHOUT NOTICE, ALL PRODUCT SPECIFICATIONS ARE PROVIDED FOR
REFERENCE ONLY.TO ANY INTELLECTUAL, PROPERTY RIGHTS IN PARAGON
TECHNOLOGY LIMITED. ALL INFORMATION IN THIS DOCUMENT IS PROVIDED.
www.paragontech.cn
A 1.4







PN25F08 pdf, 数据表
9. Operation Features
9.1 Supply Voltage
SPI NOR
PN25F08
9.1.1 Operating Supply Voltage
Prior to selecting the memory and issuing instructions to it, a valid and stable VCC voltage within the specified
[VCC(min), VCC(max)] range must be applied (see operating ranges of page 50). In order to secure a stable DC
supply voltage, it is recommended to decouple the VCC line with a suitable capacitor (usually of the order of 10 nF
to 100 nF) close to the VCC/VSS package pins. This voltage must remain stable and valid until the end of the
transmission of the instruction and, for a Write instruction, until the completion of the internal write cycle (tW).
9.1.2 Power-up Conditions
When the power supply is turned on, VCC rises continuously from VSS to VCC. During this time, the Chip Select (/CS)
line is not allowed to float but should follow the VCC voltage, it is therefore recommended to connect the /CS line
to VCC via a suitable pull-up resistor.
In addition, the Chip Select (/CS) input offers a built-in safety feature, as the /CS input is edge sensitive as well as
level sensitive: after power-up, the device does not become selected until a falling edge has first been detected on
Chip Select (/CS). This ensures that Chip Select (/CS) must have been High, prior to going Low to start the first
operation.
9.1.3 Device Reset
In order to prevent inadvertent Write operations during power-up (continuous rise of VCC), a power on reset (POR)
circuit is included. At Power-up, the device does not respond to any instruction until VCC has reached the power on
reset threshold voltage (this threshold is lower than the minimum VCC operating voltage defined in operating
ranges of page 50).When VCC has passed the POR threshold, the device is reset.
9.1.4 Power-down
At Power-down (continuous decrease in VCC), as soon as VCC drops from the normal operating voltage to below the
power on reset threshold voltage, the device stops responding to any instruction sent to it. During Power-down, the
device must be deselected (Chip Select (/CS) should be allowed to follow the voltage applied on VCC) and in
Standby Power mode (that is there should be no internal Write cycle in progress).
9.2 Active Power and Standby Power Modes
When Chip Select (/CS) is Low, the device is selected, and in the Active Power mode. The device consumes ICC.
When Chip Select (/CS) is High, the device is deselected. If a Write cycle is not currently in progress, the device then
goes in to the Standby Power mode, and the device consumption drops to ICC1.
A 1.4







PN25F08 equivalent, schematic
Table 9. Instruction Set Table
Instruction Name
Byte 1
Write Enable
06H
Write Disable
04H
Read Status
05H
Register-1
Read Status
Register-2
35H
Write Enable for
Volatile Status
Register
50H
Write Status Register
01H
Read Data
Fast Read
03H
0BH
Dual Output Fast
3BH
Read
Dual I/O Fast Read
BBH
Quad Output Fast
Read
6BH
Quad I/O Fast Read
EBH
Continuous Read
Reset
Page Program
Sector Erase
Block Erase(32K)
Block Erase(64K)
Chip Erase
Program/Erase
Suspend
Program/Erase
Resume
Deep Power-Down
Release From Deep
Power-Down, And
Read Device ID
Release From Deep
Power-Down
Manufacturer/ Device
ID
JEDEC ID
Erase Security
Registers(6)
Program Security
Registers(6)
Read Security
Registers(6)
FFH
02H
20H
52H
D8H
C7/60H
75H
7AH
B9H
ABH
ABH
90H
9FH
44H
42H
48H
Byte 2
(S7-S0)
(S15-S8)
(S7-S0)
A23-A16
A23-A16
A23-A16
A23-A8(2)
A23-A16
A23-A0
M7-M0(4)
FFH
A23-A16
A23-A16
A23-A16
A23-A16
dummy
dummy
(M7-M0)
A23-A16
A23-A16
A23-A16
SPI NOR
Byte 3
Byte 4
(S15-S8)
A15-A8
A15-A8
A15-A8
A7-A0
M7-M0(2)
A15-A8
A7-A0
A7-A0
A7-A0
(D7-D0)(1)
A7-A0
dummy
(D7-D0)(5)
A15-A8
A15-A8
A15-A8
A15-A8
A7-A0
A7-A0
A7-A0
A7-A0
dummy
dummy
dummy
(ID15-ID8)
00H
(ID7-ID0)
A15-A8
A7-A0
A15-A8
A7-A0
A15-A8
A7-A0
PN25F08
Byte 5 Byte 6
(D7-D0)
dummy
dummy
Next byte
(D7-D0)
(D7-D0)(1)
dummy (D7-D0)(3)
(D7-D0) Next byte
(ID7-ID0)
(M7-M0) (ID7-ID0)
(D7-D0) (D7-D0)
dummy (D7-D0)
A 1.4










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