欢迎访问ic37.com |
会员登录 免费注册
发布采购

ADSP-BF532SBBZ400 参数 Datasheet PDF下载

ADSP-BF532SBBZ400图片预览
型号: ADSP-BF532SBBZ400
PDF下载: 下载PDF文件 查看货源
内容描述: [16-BIT, 40 MHz, OTHER DSP, PBGA169, ROHS COMPLIANT, PLASTIC, MO-034AAG-2, BGA-169]
分类和应用: 时钟外围集成电路
文件页数/大小: 65 页 / 5323 K
品牌: ROCHESTER [ Rochester Electronics ]
 浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第44页浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第45页浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第46页浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第47页浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第49页浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第50页浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第51页浏览型号ADSP-BF532SBBZ400的Datasheet PDF文件第52页  
ADSP-BF531/ADSP-BF532/ADSP-BF533  
Capacitive Loading  
16  
Output delays and holds are based on standard capacitive loads:  
30 pF on all pins (see Figure 46). VLOAD is 0.95 V for VDDEXT  
(nominal) = 1.8 V or 1.5 V for VDDEXT (nominal) =  
14  
RISE TIME  
12  
2.5 V/3.3 V. Figure 47 through Figure 58 on Page 49 show how  
output rise time varies with capacitance. The delay and hold  
specifications given should be derated by a factor derived from  
these figures. The graphs in these figures may not be linear out-  
side the ranges shown.  
10  
FALL TIME  
8
6
4
2
0
TESTER PIN ELECTRONICS  
50Ω  
V
LOAD  
T1  
DUT  
OUTPUT  
0
50  
100  
150  
200  
250  
LOAD CAPACITANCE (pF)  
45Ω  
70Ω  
Figure 47. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for  
Driver A at VDDEXT = 1.75 V  
ZO = 50Ω (impedance)  
50Ω  
TD = 4.04 1.18 ns  
0.5pF  
4pF  
2pF  
14  
400Ω  
12  
RISE TIME  
10  
NOTES:  
FALL TIME  
THE WORST CASE TRANSMISSION LINE DELAY IS SHOWN AND CAN BE USED  
FOR THE OUTPUT TIMING ANALYSIS TO REFELECT THE TRANSMISSION LINE  
EFFECT AND MUST BE CONSIDERED.THE TRANSMISSION LINE (TD) IS FOR  
LOAD ONLY AND DOES NOT AFFECT THE DATA SHEET TIMING SPECIFICATIONS.  
8
6
4
ANALOG DEVICES RECOMMENDS USING THE IBIS MODEL TIMING FOR A GIVEN  
SYSTEM REQUIREMENT. IF NECESSARY, A SYSTEM MAY INCORPORATE  
EXTERNAL DRIVERS TO COMPENSATE FOR ANY TIMING DIFFERENCES.  
2
0
Figure 46. Equivalent Device Loading for AC Measurements  
(Includes All Fixtures)  
0
50  
100  
150  
200  
250  
LOAD CAPACITANCE (pF)  
Figure 48. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for  
Driver A at VDDEXT = 2.25 V  
12  
10  
RISE TIME  
8
FALL TIME  
6
4
2
0
0
50  
100  
150  
200  
250  
LOAD CAPACITANCE (pF)  
Figure 49. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for  
Driver A at VDDEXT = 3.65 V  
Rev. H  
| Page 47 of 64 | January 2011  
 复制成功!