參數(shù)資料
型號(hào)： DS17887-3
廠商： DALLAS SEMICONDUCTOR
元件分類： Timer or RTC
英文描述： 1 TIMER(S), REAL TIME CLOCK, DMA24
封裝： PLASTIC, MODULE, DIP-24
文件頁(yè)數(shù)： 12/18頁(yè)
文件大?。?/td> 343K
代理商： DS17887-3
MAX3816A
I2C 2-Wire Extender for DDC in DVI,
HDMI, and VGA Interfaces
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
3.0V to 3.6V supply
700
1000
Rise Time (Note 4)
tR
4.5V to 5.5V supply
700
ns
3.0V to 3.6V supply
200
300
Fall Time (Note 4)
tF
4.5V to 5.5V supply
300
ns
Driver On-Time
Driver asserting high or low
1750
ns
Driver Active Termination
Driver asserting high or low
60
TRANSITION SENSING
Level-Sense Filter Delay
Time to transition decision and assert
300
ns
Holdoff Time
tHOLDOFF
Data/clock sensing off during this period
2.5
μs
LVTTL/LVCMOS CONTROL INPUTS (DRVR_EN, MODE)
Input-High Voltage
VIH
2.0
V
Input-Low Voltage
VIL
0.8
V
Input-High Current
IIH
VIH(MIN) < VIN
-1
+1
μA
Input-Low Current
IIL
VIN < VIL(MAX)
-1
+1
μA
Note 1: While the MAX3816A is operable over the continuous range of 3.0V to 5.5V, the DDC application requires VCC connection to
DDC +5V.
Note 2: All levels in the cable side clock and data I/O are referenced to GND_REF, unless otherwise noted.
Note 3: All levels in the display side clock and data I/O are referenced to VSS, unless otherwise noted.
Note 4: Rise time measured 30% to 70%; fall time measured 70% to 30%. Load range is 60pF to 3000pF on source side, and 10pF
to 400pF on display side. Pullup resistors are chosen to supply I2C maximum of 3mA when asserting low state.
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V, VDD = +3.0V to +5.5V, TA = 0°C to +70°C. Typical values are at TA = +25°C, VCC = +5.0V, VDD = +3.3V,
unless otherwise noted.)
ICC vs. VCC
MAX3816A
toc01
VCC (V)
I CC
(mA)
5.25
5.00
4.75
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
4.50
5.50
100kbps DATA, 100kHz CLOCK,
INCLUDES 3.3k
Ω PULLUP RESISTORS
CABLE CLOAD = 3000pF
CABLE CLOAD = 60pF
IDD vs. VDD
MAX3816A
toc02
VDD (V)
I DD
(mA)
5.0
4.5
4.0
3.5
1
2
3
4
5
6
7
8
9
10
0
3.0
5.5
100kbps DATA, 100kHz CLOCK, INCLUDES
3.3k
Ω PULLUP RESISTORS FOR 5V SUPPLY
RANGE AND 2.2k
Ω PULLUP RESISTORS FOR
3.3V SUPPLY RANGE
DISPLAY CLOAD = 330pF
DISPLAY CLOAD = 10pF
MAX3816A
toc03
1V/div
2
μs/div
3.3k
Ω PULLUP RESISTOR AT EACH END OF CABLE.
PULLDOWN SOURCE: 25
Ω CMOS SWITCH SIGNAL
INITIATED AND MEASURED AT REMOTE SOURCE.
CLOCK_C TRANSIENT RESPONSE
WITH AND WITHOUT MAX3816A, 30m CABLE LOAD
(2350pF)
WITH
MAX3816A
WITHOUT
MAX3816A
Typical Operating Characteristics
(VCC = +5.0V, VDD = +3.3V, TA = +25°C, unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS17887-3+ 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS17887-3IND 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Real-Time Clocks
DS17887-3-IND 功能描述:實(shí)時(shí)時(shí)鐘 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS17887-3IND+ 功能描述:實(shí)時(shí)時(shí)鐘 3V/5V RTC 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS17887-5 功能描述:實(shí)時(shí)時(shí)鐘 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
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