參數(shù)資料
型號(hào)： M95256-WDW3T/A
廠商： STMICROELECTRONICS
元件分類： PROM
英文描述： 32K X 8 SPI BUS SERIAL EEPROM, PDSO8
封裝： 0.169 INCH, TSSOP-8
文件頁(yè)數(shù)： 3/43頁(yè)
文件大?。?/td> 431K
代理商： M95256-WDW3T/A
M95256, M95256-W, M95256-R
Operating features
11/42
3.7.4
Power-down
At Power-down, the device must be deselected and in Standby Power mode (that is, there
should be no internal Write cycle in progress). Chip Select (S) should be allowed to follow
the voltage applied on VCC.
4
Operating features
4.1
Hold Condition
The Hold (HOLD) signal is used to pause any serial communications with the device without
resetting the clocking sequence.
During the Hold condition, the Serial Data Output (Q) is high impedance, and Serial Data
Input (D) and Serial Clock (C) are Don’t Care.
To enter the Hold condition, the device must be selected, with Chip Select (S) Low.
Normally, the device is kept selected, for the whole duration of the Hold condition.
Deselecting the device while it is in the Hold condition, has the effect of resetting the state of
the device, and this mechanism can be used if it is required to reset any processes that had
been in progress.
The Hold condition starts when the Hold (HOLD) signal is driven Low at the same time as
Serial Clock (C) already being Low (as shown in Figure 4).
The Hold condition ends when the Hold (HOLD) signal is driven High at the same time as
Serial Clock (C) already being Low.
Figure 4 also shows what happens if the rising and falling edges are not timed to coincide
with Serial Clock (C) being Low.
Figure 4.
Hold Condition Activation
AI02029D
HOLD
C
Hold
Condition
Hold
Condition
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M95256WDW3TG 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit serial SPI bus EEPROM with high-speed clock
M95256-WDW3TG 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256Kbit and 128Kbit Serial SPI Bus EEPROM With High Speed Clock
M95256-WDW3TG/A 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit Serial SPI bus EEPROM with high speed clock
M95256-WDW3TG/K 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit serial SPI bus EEPROM with high-speed clock
M95256-WDW3TG/V 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit Serial SPI bus EEPROM with high speed clock
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