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參數(shù)資料
| 型號： | M58WR064HU70ZB6U |
| 元件分類： | PROM |
| 英文描述： | 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA44 |
| 封裝： | 7.70 X 9 MM, 0.50 MM PITCH, ROHS COMPLIANT, VFBGA-44 |
| 文件頁數(shù)： | 56/117頁 |
| 文件大?。?/td> | 2300K |
| 代理商： | M58WR064HU70ZB6U |
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M58WR064HU M58WR064HL
Configuration Register
43/117
8.9
Power-Down Bit (CR5)
The Power-Down bit is used to enable or disable the Power-Down function. When it is set to
‘0’ the Power-Down function is disabled. If the Reset/Power-Down, RP, pin goes Low (VIL),
the device is reset and the supply current IDD is reduced to the Standby value IDD3. When
the Power-Down bit is set to ‘1’ the Power-Down function is enabled. If the Reset/Power-
Down, RP, pin goes Low (V
IL) the device switches to the Power-Down state and the supply
current IDD is reduced to the Reset/Power-Down value, IDD2.
The recovery time after a Reset/Power-Down, RP, pulse is significantly longer when Power-
Down is enabled (see Table 26).
8.10
Wrap Burst Bit (CR3)
The burst reads can be confined inside the 4, 8 or 16 Word boundary (wrap) or overcome
the boundary (no wrap). The Wrap Burst bit is used to select between wrap and no wrap.
When the Wrap Burst bit is set to ‘0’ the burst read wraps; when it is set to ‘1’ the burst read
does not wrap.
8.11
Burst length Bits (CR2-CR0)
The Burst Length bits set the number of Words to be output during a Synchronous Burst
Read operation as result of a single address latch cycle. They can be set for 4 words, 8
words, 16 words or continuous burst, where all the words are read sequentially.
In continuous burst mode the burst sequence can cross bank boundaries.
In continuous burst mode or in 4, 8, 16 words no-wrap, depending on the starting address,
the device asserts the WAIT output to indicate that a delay is necessary before the data is
output.
If the starting address is aligned to a 4 word boundary no wait states are needed and the
WAIT output is not asserted.
If the starting address is shifted by 1,2 or 3 positions from the four word boundary, WAIT will
be asserted for 1, 2 or 3 clock cycles when the burst sequence crosses the first 16 word
boundary, to indicate that the device needs an internal delay to read the successive words
in the array. WAIT will be asserted only once during a continuous burst access. See also
CR4
is reserved for future use.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M58WR064KB70ZB6E | 制造商:Micron Technology Inc 功能描述:WIRELESS FLASH VFBGA 7.7X9.0X1.0 56 8X7 0.75 - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 56VFBGA |
| M58WR064KB70ZB6F | 制造商:Micron Technology Inc 功能描述:FLASH 28F640W18TD 60 VF-PBGA56 SB48 EX - Tape and Reel |
| M58WR064KB70ZB6F TR | 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 56VFBGA |
| M58WR064KB7AZB6E | 制造商:Micron Technology Inc 功能描述:WIRELESS - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 56VFBGA |
| M58WR064KB7AZB6F | 制造商:Micron Technology Inc 功能描述:WIRELESS - Tape and Reel |
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