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參數(shù)資料
| 型號： | X25138PT2.5 |
| 英文描述： | 5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| 中文描述： | 5MHz的SPI串行E2PROM的區(qū)塊可鎖定的保護(hù) |
| 文件頁數(shù)： | 5/18頁 |
| 文件大小： | 88K |
| 代理商： | X25138PT2.5 |
X25138
5
Hold Operation
The HOLD input should be HIGH (at V
operation. If a data transfer is to be interrupted HOLD
can be pulled LOW to suspend the transfer until it can
be resumed. The only restriction is the SCK input must
be LOW when HOLD is first pulled LOW and SCK
must also be LOW when HOLD is released.
IH
) under normal
The HOLD input may be tied HIGH either directly to
V
CC
or tied to V
CC
through a resistor.
Operational Notes
The X25138 powers-up in the following state:
The device is in the low power standby state.
A HIGH to LOW transition on CS is required to enter
an active state and receive an instruction.
SO pin is high impedance.
The “write enable” latch is reset.
Data Protection
The following circuitry has been included to prevent in-
advertent writes:
The “write enable” latch is reset upon power-up.
A WREN instruction must be issued to set the “write
enable” latch.
CS must come HIGH at the proper clock count in or-
der to start a write cycle.
Figure 1. Read E
2
PROM Array Operation Sequence
0
1
2
3
4
5
6
7
8
9
10
20 21 22 23 24
25 26 27 28 29
30
7
6
5
4
3
2
1
0
DATA OUT
CS
SCK
SI
SO
MSB
HIGH IMPEDANCE
INSTRUCTION
16 BIT ADDRESS
15 14 13
3
2
1
0
7037 FRM F03
Figure 2. Read Status Register Operation Sequence
0
1
2
3
4
5
6
7
8
9
10 11
12 13 14
7
6
5
4
3
2
1
0
DATA OUT
CS
SCK
SI
SO
MSB
HIGH IMPEDANCE
INSTRUCTION
7037 FRM F04
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X25138 | 5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| X25138P-V | 5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| X25138P2.5 | 5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| X25138PI-V | 5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| X25138PI2.5 | 5MHz SPI Serial E2PROM with Block Lock PROTECTION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X25138PT-V | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| X25138P-V | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| X25138S142.5 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5MHz SPI Serial E2PROM with Block Lock PROTECTION |
| X25138S14-2.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
| X25138S14I | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
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