参数资料
| 型号： | X40020S14I-A |
| 厂商： | Intersil |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | IC VOLTAGE MONITOR DUAL 14-SOIC |
| 标准包装： | 50 |
| 类型： | 多压监控器 |
| 监视电压数目： | 2 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 高有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 2.9V，4.6V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOICN |
| 包装： | 管件 |
X40020, 40021
Figure 13. Slave Address, Word Address, and Data Bytes
Slave Byte
General Purpose Memory
1
0
1
0
0
0
A8 R/W
Control Register
Fault Detection Register
1
1
0
0
1
1
1
1
0
0
0
0
1
0
R/W
R/W
Word Address
General Purpose Memory A7
A6 A5 A4 A3 A2 A1
A0
Control Register
Fault Detection Register
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Word Address
The word address is either supplied by the master or
obtained from an internal counter.
Operational Notes
The device powers-up in the following state:
– The device is in the low power standby state.
– The WEL bit is set to ‘0’. In this state it is not possi-
ble to write to the device.
– SDA pin is the input mode.
– RESET/RESET Signal is active for t PURST .
14
Data Protection
The following circuitry has been included to prevent
inadvertent writes:
– The WEL bit must be set to allow write operations.
– The proper clock count and bit sequence is required
prior to the stop bit in order to start a nonvolatile
write cycle.
– A three step sequence is required before writing into
the Control Register to change Watchdog Timer or
Block Lock settings.
– The WP pin, when held HIGH, prevents all writes to
the array and all the Register.
FN8112.1
May 17, 2006
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