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参数资料
| 型号： | FM31L276-GTR |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 封装： | GREEN, MS-012AB, SOIC-14 |
| 文件页数： | 13/26页 |
| 文件大小： | 716K |
| 代理商： | FM31L276-GTR |
FM31L278/L276/L274/L272 - 3V I2C Companion
Rev. 2.0
Jan. 2011
Page 20 of 26
Figure 18. Selective (Random) Memory Read
Figure 19. 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.
Addressing F-RAM Array in the FM31L27x Family
The FM31L27x family includes 256Kb, 64Kb, 16Kb, and 4Kb memory densities. The following 2-byte address field
is shown for each density.
Table 4. Two-Byte Memory Address
Part #
1st Address Byte
2nd Address Byte
FM31L278
x
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM31L276
x
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM31L274
x
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM31L272
x
A8
A7
A6
A5
A4
A3
A2
A1
A0
S
A
Slave Address
0
Address
A
Data Byte
A
P
By Master
Start
Address & Data
Stop
Acknowledge
00 0
By FM31L27x
S
A
Slave Address 1
Data Byte
1 P
By Master
By FM31L27x
Start
Address
Stop
No
Acknowledge
Data
S
A
Slave Address 0
Address MSB
A
Start
Address
Acknowledge
Address LSB
A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FM31L278 | 制造商:RAMTRON 制造商全称:RAMTRON 功能描述:3V Integrated Processor Companion with Memory |
| FM31L278_11 | 制造商:RAMTRON 制造商全称:RAMTRON 功能描述:3V Integrated Processor Companion with Memory |
| FM31L278G | 制造商:Cypress Semiconductor 功能描述: |
| FM31L278-G | 功能描述:监控电路 256K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| FM31L278-GTR | 功能描述:监控电路 256K w/RTC Pwr Mon WDT Bat Sw PF RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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