參數(shù)資料
型號: BQ4845YS
英文描述: Fast Recovery Glass Passivated Rectifier Diodes
文件頁數(shù): 2/20頁
文件大?。?/td> 1155K
代理商: BQ4845YS
Functional Description
Figure 1 is a block diagram of the bq4845. The follow-
ing sections describe the bq4845 functional operation
including clock interface, data-retention modes,
power-on reset timing, watchdog timer activation, and
interrupt generation.
2
Figure 1. Block Diagram
V
CC
CS
OE
WE
CE
OUT
V
OUT
Mode
DQ
Power
< V
CC
(max.)
V
IH
X
X
CE
IN
V
OUT1
Deselect
High Z
Standby
V
IL
X
V
IL
CE
IN
V
OUT1
Write
D
IN
Active
> V
CC
(min.)
V
IL
V
IL
V
IH
CE
IN
V
OUT1
Read
D
OUT
Active
V
IL
V
IH
V
IH
CE
IN
V
OUT1
Read
High Z
Active
< V
PFD
(min.) > V
SO
X
X
X
V
OH
V
OUT1
Deselect
High Z
CMOS standby
V
SO
X
X
X
V
OHB
V
OUT2
Deselect
High Z
Battery-backup mode
Truth Table
Aug. 1995
bq4845/bq4845Y
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ4845YS- 制造商:TI 制造商全稱:Texas Instruments 功能描述:Parallel RTC With CPU Supervisor
BQ4845YS-A4 功能描述:實時時鐘 w/NVSRAM Control Watchdog Timer RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
BQ4845YS-A4G4 功能描述:實時時鐘 w/NVSRAM Control Watchdog Timer RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
BQ4845YS-A4N 功能描述:實時時鐘 w/NVSRAM Control Watchdog Timer RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
BQ4845YS-A4NG4 制造商:TI 制造商全稱:Texas Instruments 功能描述:Parallel RTC With CPU Supervisor