参数资料
型号: X40414S8-BT1
厂商: Intersil
文件页数: 13/24页
文件大小: 0K
描述: IC VOLTAGE MON DUAL W/SUP 8-SOIC
标准包装: 2,500
类型: 多压监控器
监视电压数目: 2
输出: 开路漏极,推挽式
复位: 高有效/低有效
复位超时: 可调节/可选择
电压 - 阀值: 1.3V,2.6V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
X40410, X40411, X40414, X40415
Figure 15. Random Address Read Sequence
Signals from
the Master
SDA Bus
Signals from
the Slave
S
t
a
r
t
Slave
Address
10 1
0 0
0
A
C
K
Byte
Address
A
C
K
S
t
a
r
t
Slave
Address
1
A
C
K
Data
S
t
o
p
– One bit of the slave command byte is a R/W bit. The
R/W bit of the Slave Address Byte defines the oper-
ation to be performed. When the R/W bit is a one,
then a read operation is selected. A zero selects a
write operation.
Word Address
The word address is either supplied by the master or
obtained from an internal counter. The internal counter
is undefined on a power-up condition.
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 .
Figure 16. Sequential Read Sequence
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.
Signals from
Slave
S
t
the Master
Address
A
C
K
A
C
K
A
C
K
o
p
SDA Bus
1
A
Signals from
the Slave
C
K
Data
(1)
Data
(2)
Data
(n-1)
Data
(n)
(n is any integer greater than 1)
13
FN8116.0
March 28, 2005
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