參數(shù)資料
型號(hào): PT7C43390WEX
廠商: Pericom
文件頁數(shù): 13/23頁
文件大?。?/td> 0K
描述: IC REAL TIME CLOCK 8SOIC
標(biāo)準(zhǔn)包裝: 1
類型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,閏年,方波輸出
時(shí)間格式: HH:MM:SS(12/24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: I²C,2 線串口
電源電壓: 1.3 V ~ 5.5 V
電壓 - 電源,電池: 1.1 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: PT7C43390WEXDKR
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PT0280(08/09)
Ver: 3
20
Data Sheet
PT7C43390
2-Wire Real-time Clock Module
AC Electrical Characteristics
Input pulse voltage
0.1 ×VDD to 0.9 ×VDD
Input pulse rise/fall time
20 ns
Output determination voltage
0.5 ×VDD
Output load
100 pF +pull-up resistor 1 k
Timing Chart
VDD = 1.3 to 5.5 V
VDD = 3.0 to 5.5 V
Parameter
Symbol
Min.
Typ.
Max.
Min.
Typ.
Max.
Unit
SCL clock frequency
fSCL
0
-
100
0
-
400
kHz
SCL clock “L” time
tLOW
4.7
-
1
-
s
SCL clock “H” time
tHIGH
4
-
0.9
-
s
SDA output delay time*1
tPD
-
3.5
-
0.9
s
Start condition setup time
tSU. STA
4.7
-
0.6
-
s
Start condition hold time
tHD. STA
4
-
0.6
-
s
Data input setup time
tSU. DAT
250
-
100
-
ns
Data input hold time
tHD. DAT
0
-
0
-
ns
Stop condition setup time
tSU. STO
4.7
-
s
SCL and SDA rise time
tR
-
1
-
0.3
s
SCL and SDA fall time
tF
-
0.3
-
0.3
s
Bus release time
tBUF
4.7
-
1.3
-
s
Noise suppression time
tI
-
100
-
50
ns
*1. Since the output format of the SDA pin is Nch open-drain output, the SDA output delay time is determined by the values of
the load resistance (RL) and load capacity (CL) outside the IC. Therefore, use this value only as a reference value.
Output Load Citcuit
相關(guān)PDF資料
PDF描述
PT7C4563UEX IC REAL TIME CLOCK 8MSOP
QPI-12LZ-01 IC INTERFACE FILTER
QPI-5LZ FILTER 24V 14A ACTIVE EMI
QPI-6LZ-01 IC INTERFACE FILTER
QPO-1LZ-01 IC INTERFACE FILTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PT7C4363 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Real-time Clock Module (I2C Bus)
PT7C4363P 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Real-time Clock Module (I2C Bus)
PT7C4363W 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Real-time Clock Module (I2C Bus)
PT7C4363WEX 制造商:Pericom 功能描述:Real-time Clock Module(I2C Bus)
PT7C4372ALE 制造商:Pericom Semiconductor Corporation 功能描述: