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参数资料
| 型号： | FM31T372-G |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO14 |
| 封装： | GREEN, MS-012, SOIC-14 |
| 文件页数： | 12/26页 |
| 文件大小： | 790K |
| 代理商： | FM31T372-G |
FM31T372/374/376/378-G
Rev. 1.1
Apr. 2011
Page 2 of 26
A general-purpose comparator compares an external
input pin to the onboard 1.2V reference. This is
useful for generating a power-fail interrupt (NMI) but
can be used for any purpose. The family also includes
a programmable 64-bit serial number that can be
locked making it unalterable. Additionally it offers a
dual battery-backed event counter that tracks the
number of rising or falling edges detected on
dedicated input pins.
Pin Configuration
Pin Name
Function
CNT1, CNT2
Event Counter Inputs
A0, A1
Device Select inputs
CAL/PFO
Clock Calibration and Early
Power-Fail Output
/RST
Reset Input/Output
VSS
Ground
VBAK
Battery-Backup Supply
PFI
Early Power-fail Input
/INT
Event Counter Driven Interrupt
Output
FOUT
32.768 kHz Clock Output
SDA
Serial Data
SCL
Serial Clock
VDD
Supply Voltage
Ordering Information
Base Configuration
Memory Size
Operating Voltage
Reset Threshold
Ordering Part Number
FM31T378
256Kb
2.7-5.5V
2.6V, 2.9, 3.9, 4.4V
FM31T378-G
FM31T376
64Kb
2.7-5.5V
2.6V, 2.9, 3.9, 4.4V
FM31T376-G
FM31T374
16Kb
2.7-5.5V
2.6V, 2.9, 3.9, 4.4V
FM31T374-G
FM31T372
4Kb
2.7-5.5V
2.6V, 2.9, 3.9, 4.4V
FM31T372-G
VDD
VBAK
SCL
SDA
VSS
/INT
FOUT
CAL/PFO
CNT1
PFI
RST
A0
A1
CNT2
1
2
3
4
5
6
7
14
13
12
11
10
9
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FM31T372-GTR | 功能描述:F-RAM F-RAM 4K w/RTC RoHS:否 存储容量:512 Kbit 组织:64 K x 8 接口:SPI 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube 制造商:Cypress Semiconductor |
| FM31T374 | 制造商:RAMTRON 制造商全称:RAMTRON 功能描述:System Supervisor & Temperature Compensated RTC(TCXO) with Embedded Crystal |
| FM31T374-G | 功能描述:F-RAM F-RAM 16K w/RTC RoHS:否 存储容量:512 Kbit 组织:64 K x 8 接口:SPI 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube 制造商:Cypress Semiconductor |
| FM31T374-GTR | 功能描述:F-RAM F-RAM 16K w/RTC RoHS:否 存储容量:512 Kbit 组织:64 K x 8 接口:SPI 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube 制造商:Cypress Semiconductor |
| FM31T376 | 制造商:RAMTRON 制造商全称:RAMTRON 功能描述:System Supervisor & Temperature Compensated RTC(TCXO) with Embedded Crystal |
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