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參數(shù)資料
| 型號： | FM31256 |
| 元件分類： | F-RAM |
| 英文描述： | 4Kb FRAM Serial 3V Memory |
| 中文描述： | 4Kb的鐵電串行3V的記憶 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 170K |
| 代理商： | FM31256 |
FM3104/16/64/256
Rev 0.21
Nov 2003
Page 17 of 22
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM31xxx
Start
Address
Stop
Acknowledge
No
Acknowledge
Data
Figure 13. Current Address Memory Read
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM31xxx
Start
Address
Stop
Acknowledge
No
Acknowledge
Data
Data Byte
A
Acknowledge
Figure 14. Sequential Memory Read
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM31xxx
Start
Address
Stop
No
Acknowledge
Data
S
A
Slave Address
0
Address MSB
A
Start
Address
Acknowledge
Address LSB
A
Figure 15. Selective (Random) Memory Read
Figure 16. Byte Register Write
* Although not required, it is recommended that A5-A7 in the Register Address byte are
zeros in order to preserve compatibility with future devices.
S
A
Slave Address
0
Address
A
Data Byte
A
P
By Master
Start
Address & Data
Stop
Acknowledge
0 0 0
By FM31xxx
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM31256_11 | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:Integrated Processor Companion with Memory |
| FM31256-G | 功能描述:監(jiān)控電路 256K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM31256-G | 制造商:Ramtron International Corporation 功能描述:Voltage Detector / Microprocessor Superv |
| FM31256-GTR | 功能描述:監(jiān)控電路 256K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM31256-S | 功能描述:監(jiān)控電路 256K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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