Maxim Integrated......................................................................................................................." />
參數(shù)資料
型號(hào)： DS2480B+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/32頁(yè)
文件大?。?/td> 0K
描述： IC LINE DRVR W/SENSOR 1-W 8-SOIC
產(chǎn)品培訓(xùn)模塊： 1-Wire Communications
Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 100
類型： 線路驅(qū)動(dòng)器，發(fā)射器
驅(qū)動(dòng)器/接收器數(shù)： 1/0
規(guī)程： RS232
電源電壓： 4.5 V ~ 5.5 V
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： 管件
產(chǎn)品目錄頁(yè)面： 1429 (CN2011-ZH PDF)
DS2480B
Maxim Integrated........................................................................................................................................................................................... 18
PULSE WAVEFORMS, DISARMED
The Pulse command can be used to generate a strong pullup to 5V and a 12V programming pulse,
respectively. The duration of the pulse is predefined if the parameter value code of parameter 010
(Programming Pulse Duration) has a value from 000 to 110, and parameter 011 (Strong Pullup Duration)
has a value from 000 to 101 (see Table 4). Figures 7a and 7b show the timing of a pulse with predefined
duration, which should be considered the normal case. If infinite duration is chosen (parameter value code
111), the host must terminate the Pulse command, as shown in Figures 7c and 7d. All versions of Figure 7
assume that bit 1 of the pulse command is 0, i.e., disarmed mode. See the Communication Commands:
Pulse section for more details on possibilities of the Pulse command.
Figure 7a. STRONG PULLUP TO 5V, PREDEFINED DURATION
The processing of a pulse command is essentially the same, regardless if a strong pullup or a
programming pulse is requested. At t1 the host starts sending the pulse command byte. At t2 the DS2480B
has received the command and immediately generates the pulse. The pulse ends at t3 and the DS2480B
sends out the command response byte to inform the host that the command is completed. The idle time
between t1 and t2 is determined by the time to transmit the command byte at the selected baud rate. The
idle time between t3 and t4 is comprised of the time to transmit the response byte, plus the response time
of the host plus the time to transmit the command and/or data to generate the next time slot.
Figure 7b. 12V PROGRAMMING PULSE, PREDEFINED DURATION
A correct programming pulse can only be generated if the 12V programming voltage is available at the
VPP pin of the DS2480B. The rising and falling edges of the programming pulse are actively controlled by
DS2480B. The slew rate is approximately 14V/s and meets the requirements of 1-Wire EPROM
devices.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2480B 制造商:Maxim Integrated Products 功能描述:IC SERIAL LINE DRIVER 2480 SOIC8
DS2480B/T&R 功能描述:緩沖器和線路驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
DS2480B+ 功能描述:緩沖器和線路驅(qū)動(dòng)器 Serial - 1-Wire Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
DS2480B+R 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Serial to 1-Wire Line Driver
DS2480B+T 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Serial to 1-Wire Line Driver
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