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ACS103

更新时间： 2024-01-19 07:03:03
品牌 Logo 应用领域
商升特 - SEMTECH 调制解调器光纤
页数 文件大小 规格书
10页 55K
描述
Acapella Optical Modem IC

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ACS103 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：LCC包装说明：QCCJ, LDCC68,1.0SQ
针数：68Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.89
数据速率：256 MbpsJESD-30 代码：S-PQCC-J68
JESD-609代码：e0长度：24.2062 mm
功能数量：1端子数量：68
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：QCCJ
封装等效代码：LDCC68,1.0SQ封装形状：SQUARE
封装形式：CHIP CARRIER峰值回流温度（摄氏度）：NOT SPECIFIED
电源：5 V认证状态：Not Qualified
座面最大高度：4.445 mm子类别：Other Telecom ICs
标称供电电压：5 V表面贴装：YES
电信集成电路类型：MODEM温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：24.2062 mm
Base Number Matches：1

ACS103 数据手册

 浏览型号ACS103的Datasheet PDF文件第3页浏览型号ACS103的Datasheet PDF文件第4页浏览型号ACS103的Datasheet PDF文件第5页浏览型号ACS103的Datasheet PDF文件第7页浏览型号ACS103的Datasheet PDF文件第8页浏览型号ACS103的Datasheet PDF文件第9页 
The power coupled to the cable is a function of the recommended choice since it is further away from  
efficiency of the LED, the current applied to the LED the sensitive analogue pins. However, pin 41 is  
and the diameter of the fiber optic cable. The larger available for designers if required.  
the cable diameter the greater the power coupled.  
Digital Mode  
The conversion current produced by the receive  
diode is a function of the LED efficiency and the  
cable diameter. The conversion efficiency is  
measured in terms of its ability to convert the  
available power to current, known as the  
responsivity, given by (A/W). Some examples of link  
budgets are given in the Table 1., though note that  
significantly better "A" spec. LEDs available, e.g.  
from Acapella. “A” spec. LEDs can offer > 12 dB link  
budget on 50 µm fiber.  
The ACS103 may be used as a controller and data  
buffer which allows the device to be used with an  
external amplifier and receiver, e.g. for non-fiber  
applications. Check with Acapella for details.  
Data delay and skew  
The data delay in synchronous mode is typically 48  
data-bit periods and worst case 100 data-bit periods.  
When configured in asynchronous mode the worst  
case data delay is 300 µs at 9.216 MHz and 550 µs at  
5 MHz. The additional data transmission channels  
(XI1/2/3) are delayed by up to 1.2 ms in 'Standard'  
mode and up to 2.4 ms in 'Double' mode when used  
with a crystal frequency of 9.216 MHz. For other  
crystal values the delay changes inversely  
proportional to the frequency of operation.  
Maximum Link Length  
The internal timing chain within the ACS103 limits  
the link length to 2.5 km ('Standard' mode) and 5 km  
('Double' mode) with a crystal frequency of  
9.216 MHz. However, the maximum link length as  
determined by the ACS103 timing chain is inversely  
proportional to the crystal frequency. Please contact  
Acapella if you wish to discuss longer links.  
2
The worst case data skews between the main data  
channels TxD1/RxD1, TxD2/RxD2 and TxD3/RxD3  
across the link are as follows.  
TxD inputs  
Synchronous : zero data bits.  
Asynchronous : 216 * (crystal clock period).  
There is a choice of pins for TxD1, pins 12 and 41.  
Only one input should be used. The other input will  
pull-up to VDD via an internal resistor. Pin 12 is the  
1
2
3
4
5
6
7
8
9
DR3  
DR1  
IC  
DM1  
RxD1  
IC  
XO3  
IC  
NC  
VD+ 68  
VD+ 67  
GND 66  
GND 65  
DR2 64  
TRC 63  
DR4 62  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
NC  
NC  
NC  
NC  
NC  
VG  
61  
60  
59  
58  
57  
56  
10 RTS / XI1  
11 TxD3  
12 TxD1  
13 VD+  
14 XTI  
15 XTO  
ACAPELLA  
VA+ 55  
CON2 54  
LDP 53  
16 CKC  
ACS103  
17 TxCL  
18 RxCL  
19 XI3  
20 DM2  
21 SEL  
22 DM3  
23 GND  
24 DTR / XI2  
25 TxD2  
26 ERD  
NC  
NC  
52  
51  
1-Fiber Modem  
LDN 50  
CON1 49  
CNT 48  
GND 47  
NC  
NC  
NC  
NC  
IC  
46  
45  
44  
43  
42  
27 NC  
28 IC  
TXD1 41  
LIN 40  
RSS 39  
VD+ 38  
VD+ 37  
GND 36  
GND 35  
29 RxD2  
30 PORB  
31 RxD3  
32 CTS / XO1  
33 DSR / XO2  
34 DCDB  
Figure 1. Top view of 68 PLCC package  
NC = Not Connected IC = Internally Connected  
ACS103 Issue 2.03 May 1996.  
6
1...345678910

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