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參數(shù)資料
| 型號： | M50FLW040AK5G |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory |
| 中文描述： | 4兆位（5】64字節(jié)塊3】16】4 Kbyte的）3 - V電源供電固件集線器/低引腳數(shù)的閃存 |
| 文件頁數(shù)： | 15/64頁 |
| 文件大?。?/td> | 338K |
| 代理商： | M50FLW040AK5G |
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M50FLW040A, M50FLW040B
Signal descriptions
15/64
2.1.10
Write Protect (WP)
The Write Protect input is used to prevent the Main Blocks (Blocks 0 to 6) from being
changed. When Write Protect, WP, is driven Low, V
IL
, Program and Erase operations in the
Main Blocks have no effect, regardless of the state of the Lock Register. When Write
Protect, WP, is driven High, V
IH
, the protection of the Block is determined by the Lock
Register. The state of Write Protect, WP, does not affect the protection of the Top Block
(Block 7). For details, see
Appendix A
.
Write Protect, WP, must be set prior to a Program or Erase operation is initiated, and must
not be changed until the operation has completed otherwise unpredictable results may
occur. Similarly, unpredictable behavior is possible if WP is changed during Program or
Erase Suspend, and care should be taken to avoid this.
2.1.11
Reserved for Future Use (RFU)
These pins do not presently have assigned functions. They must be left disconnected,
except for ID3 (when in LPC mode) which can be left connected. The electrical
characteristics for this signal are as described in the “
Identification inputs (ID0-ID3)
” section.
2.2
Address/Address Multiplexed (A/A Mux) signal descriptions
Please see
Figure 2
and
Table 2
.
2.2.1
Address inputs (A0-A10)
The Address Inputs are used to set the Row Address bits (A0-A10) and the Column
Address bits (A11-A18). They are latched during any bus operation by the Row/Column
Address Select input, RC.
2.2.2
Data Inputs/Outputs (DQ0-DQ7)
The Data Inputs/Outputs hold the data that is to be written to or read from the memory. They
output the data stored at the selected address during a Bus Read operation. During Bus
Write operations they carry the commands that are sent to the Command Interface of the
internal state machine. The Data Inputs/Outputs, DQ0-DQ7, are latched during a Bus Write
operation.
2.2.3
Output Enable (G)
The Output Enable signal, G, controls the output buffers during a Bus Read operation.
2.2.4
Write Enable (W)
The Write Enable signal, W, controls the Bus Write operation of the Command Interface.
2.2.5
Row/Column Address Select (RC)
The Row/Column Address Select input selects whether the Address Inputs are to be latched
into the Row Address bits (A0-A10) or the Column Address bits (A11-A18). The Row
Address bits are latched on the falling edge of RC whereas the Column Address bits are
latched on its rising edge.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M50FLW040AK5P | 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory |
| M50FLW040AK5TG | 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory |
| M50FLW040AK5TP | 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory |
| M50FLW040AN5G | 4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory |
| M50FLW080BK5P | 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M50FLW040AK5P | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory |
| M50FLW040AK5T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory |
| M50FLW040AK5TG | 功能描述:閃存 SERIAL FLASH RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| M50FLW040AK5TP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4-Mbit (5 】 64 Kbyte blocks + 3 】 16 】 4 Kbyte sectors) 3-V supply Firmware Hub / low-pin count Flash memory |
| M50FLW040AN1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory |
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