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ELM304_09 参数 Datasheet PDF下载

ELM304_09图片预览
型号: ELM304_09
PDF下载: 下载PDF文件 查看货源
内容描述: NTSC制式视频信号发生器 [NTSC Video Generator]
分类和应用:
文件页数/大小: 6 页 / 38 K
品牌: ELM [ ELM ELECTRONICS ]
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ELM304  
Absolute Maximum Ratings  
Storage Temperature....................... -65°C to +150°C  
Note:  
Stresses beyond those listed here will likely damage  
the device. These values are given as a design  
guideline only. The ability to operate to these levels  
is neither inferred nor recommended.  
Ambient Temperature with  
Power Applied....................................-40°C to +85°C  
Voltage on VDD with respect to VSS............0 to +7.5V  
Voltage on any other pin with  
respect to VSS........................... -0.6V to (VDD + 0.6V)  
Electrical Characteristics  
All values are for operation at 25°C and a 5V supply, unless otherwise noted. For further information, refer to note 1 below.  
Characteristic  
Minimum Typical  
Maximum Units  
Conditions  
Supply Voltage, VDD  
VDD rate of rise  
3.0  
5.0  
5.5  
V
see note 2  
see note 3  
0.05  
V/ms  
mA  
Average Supply Current, IDD  
1.0  
2.4  
see note 4  
Internal pullup resistance (pin 4)  
Output low voltage  
300  
500  
600  
0.6  
KW  
V
Current (sink) = 8.7mA  
Current (source) = 5.4mA  
see note 5  
Output high voltage  
VDD - 0.7  
V
Timing accuracy  
0.25  
15734  
59.94  
%
Nominal horizontal scan rate  
Nominal vertical field rate  
Hz  
Hz  
Notes:  
1. This integrated circuit is produced with a Microchip Technology Inc.’s PIC12C5XX as the core embedded  
microcontroller. For further device specifications, and possibly clarification of those given, please refer to the  
appropriate Microchip documentation.  
2. This spec must be met in order to ensure that a correct power on reset occurs. It is quite easily achieved  
using most common types of supplies, but may be violated if one uses a slowly varying supply voltage, as  
may be obtained through direct connection to solar cells, or some charge pump circuits.  
3. Device only. Does not include any current supplied to external circuits.  
4. The value of the internal pullup resistance is both supply and temperature dependent.  
5. This assumes that the recommended 3.58MHz crystal is used.  
3 of 6  
ELM304DSC  
Elm Electronics – Circuits for the Hobbyist  
< http://www.elmelectronics.com/ >