參數(shù)資料
型號： M29W320DB7AN6
廠商： NUMONYX
元件分類： PROM
英文描述： 2M X 16 FLASH 3V PROM, 70 ns, PDSO48
封裝： 12 X 20 MM, PLASTIC, TSOP-48
文件頁數(shù)： 6/56頁
文件大?。?/td> 1125K
代理商： M29W320DB7AN6
Signal descriptions
M29W320DT, M29W320DB
14/56
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.
Note that if VPP/WP is at VIL, then the 16 KByte outermost boot block will remain protect
even if RP is at VID.
After a Hardware Reset, Bus Read and Bus Write operations cannot begin until Ready/Busy
becomes high-impedance. See Table 15 and Figure 12.
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.
2.12
VCC Supply Voltage
VCC provides the power supply for all operations (Read, Program and Erase).
The Command Interface is disabled when the VCC Supply Voltage is less than the Lockout
Voltage, VLKO. This prevents Bus Write operations from accidentally damaging the data
during power up, power down and power surges. If the Program/Erase Controller is
programming or erasing during this time then the operation aborts and the memory contents
being altered will be invalid.
A 0.1μF capacitor should be connected between the VCC Supply Voltage pin and the VSS
Ground pin to decouple the current surges from the power supply. The PCB track widths
must be sufficient to carry the currents required during Program and Erase operations, ICC3.
2.13
VSS Ground
VSS is the reference for all voltage measurements.
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
M29W320DB7AN6E 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 32MBIT 70NS 48TSOP
M29W320DB7AN6F 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel
M29W320DB7AN6F TR 制造商:Micron Technology Inc 功能描述:IC FLASH 32MBIT 70NS 48TSOP
M29W320DB7AZA3F 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel
M29W320DB7AZA6E 制造商:Micron Technology Inc 功能描述:32MB 2MX16 NOR FLASH PLASTIC IND TEMP BOTTOM PBF TFBGA 3.0V - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 32MBIT 70NS 63TFBGA
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