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參數(shù)資料
| 型號(hào)： | M29W640GB70ZA6F |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 4M X 16 FLASH 3V PROM, 70 ns, PBGA48 |
| 封裝： | 6 X 8 MM, 0.80 MM PITCH, ROHS COMPLIANT, TFBGA-48 |
| 文件頁數(shù)： | 9/90頁 |
| 文件大?。?/td> | 849K |
| 代理商： | M29W640GB70ZA6F |
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M29W640GH, M29W640GL, M29W640GT, M29W640GB
Signal descriptions
17/90
2.9
Reset/Block Temporary Unprotect (RP)
The Reset/Block Temporary Unprotect pin can be used to apply a Hardware Reset to the
memory or to temporarily unprotect all Blocks that have been protected.
Note that if VPP/WP is at VIL, then the two or four outermost blocks will remain protected
even if RP is at VID.
A Hardware Reset is achieved by holding Reset/Block Temporary Unprotect Low, VIL, for at
least tPLPX. After Reset/Block Temporary Unprotect goes High, VIH, the memory will be
ready for Bus Read and Bus Write operations after tPHEL or tRHEL, whichever occurs last.
See the Ready/Busy Output section, Table 20: Reset/Block Temporary Unprotect ac
details.
Holding RP at VID will temporarily unprotect the protected Blocks in the memory. Program
and Erase operations on all blocks will be possible. The transition from VIH to VID must be
slower than tPHPHH.
2.10
Ready/Busy Output (RB)
The Ready/Busy pin is an open-drain output that can be used to identify when the device is
performing a Program or Erase operation. During Program or Erase operations Ready/Busy
is Low, VOL. Ready/Busy is high-impedance during Read mode, Auto Select mode and
Erase Suspend mode.
After a Hardware Reset, Bus Read and Bus Write operations cannot begin until Ready/Busy
becomes high-impedance. See Table 20: Reset/Block Temporary Unprotect ac
details.
The use of an open-drain output allows the Ready/Busy pins from several memories to be
connected to a single pull-up resistor. A Low will then indicate that one, or more, of the
memories is busy.
2.11
Byte/Word Organization Select (BYTE)
The Byte/Word Organization Select pin is used to switch between the x8 and x16 Bus
modes of the memory. When Byte/Word Organization Select is Low, VIL, the memory is in
x8 mode, when it is High, VIH, the memory is in x16 mode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M29W640GB70ZF3F | 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel |
| M29W640GB70ZF3F TR | 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 64TBGA |
| M29W640GB70ZF6E | 功能描述:IC FLASH 64MBIT 70NS 64TBGA RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:Axcell™ 標(biāo)準(zhǔn)包裝:2,000 系列:- 格式 - 存儲(chǔ)器:RAM 存儲(chǔ)器類型:SRAM - 異步 存儲(chǔ)容量:256K (32K x 8) 速度:15ns 接口:并聯(lián) 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:28-TSSOP（0.465"，11.8mm 寬） 供應(yīng)商設(shè)備封裝:28-TSOP 包裝:帶卷 (TR) 其它名稱:71V256SA15PZGI8 |
| M29W640GB70ZS6E | 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Trays 制造商:Micron Technology Inc 功能描述:64MBIT PARALLEL NOR FLASH 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 70NS 64FBGA |
| M29W640GB70ZS6F | 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Tape and Reel |
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