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M25P80-VMP6TG 参数 Datasheet PDF下载

M25P80-VMP6TG图片预览
型号: M25P80-VMP6TG
PDF下载: 下载PDF文件 查看货源
内容描述: 8兆位,低电压,串行闪存与75 MHz的SPI总线接口 [8 Mbit, low voltage, serial Flash memory with 75 MHz SPI bus interface]
分类和应用: 闪存存储内存集成电路时钟
文件页数/大小: 52 页 / 995 K
品牌: NUMONYX [ NUMONYX B.V ]
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Instructions  
M25P80  
6.11  
Deep Power-down (DP)  
Executing the Deep Power-down (DP) instruction is the only way to put the device in the  
lowest consumption mode (the Deep Power-down mode). It can also be used as an extra  
software protection mechanism, while the device is not in active use, since in this mode, the  
device ignores all Write, Program and Erase instructions.  
Driving Chip Select (S) High deselects the device, and puts the device in the Standby mode  
(if there is no internal cycle currently in progress). But this mode is not the Deep Power-  
down mode. The Deep Power-down mode can only be entered by executing the Deep  
Power-down (DP) instruction, to reduce the standby current (from I  
to I  
, as specified  
CC1  
CC2  
in Table 14).  
Once the device has entered the Deep Power-down mode, all instructions are ignored  
except the Release from Deep Power-down and Read Electronic Signature (RES)  
instruction. This releases the device from this mode. The Release from Deep Power-down  
and Read Electronic Signature (RES) instruction also allows the Electronic Signature of the  
device to be output on Serial Data Output (Q).  
The Deep Power-down mode automatically stops at Power-down, and the device always  
Powers-up in the Standby mode.  
The Deep Power-down (DP) instruction is entered by driving Chip Select (S) Low, followed  
by the instruction code on Serial Data Input (D). Chip Select (S) must be driven Low for the  
entire duration of the sequence.  
The instruction sequence is shown in Figure 17.  
Chip Select (S) must be driven High after the eighth bit of the instruction code has been  
latched in, otherwise the Deep Power-down (DP) instruction is not executed. As soon as  
Chip Select (S) is driven High, it requires a delay of t before the supply current is reduced  
DP  
to I  
and the Deep Power-down mode is entered.  
CC2  
Any Deep Power-down (DP) instruction, while an Erase, Program or Write cycle is in  
progress, is rejected without having any effects on the cycle that is in progress.  
Figure 17. Deep Power-down (DP) instruction sequence  
S
tDP  
0
1
2
3
4
5
6
7
C
D
Instruction  
Stand-by Mode  
Deep Power-down Mode  
AI03753D  
32/52  
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