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參數資料
| 型號： | LM1882-RD |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, CDIP20 |
| 封裝： | CERAMIC, DIP-20 |
| 文件頁數： | 9/19頁 |
| 文件大小： | 383K |
| 代理商： | LM1882-RD |
Products > Analog - Display Circuits > Video Communication > 54ACT715
General Description
National Semiconductor Company
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54ACT715
Programmable Video Sync Generator
Contents
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General Description
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Features
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Datasheet
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Package Availability, Models, Samples
& Pricing
Parametric Table
Function
Sync Generator
Supply Voltage
5 V
The 'ACT715/LM1882 and 'ACT715-R/LM1882-R are 20-pin TTL-input compatible
devices capable of generating Horizontal, Vertical and Composite Sync and Blank signals
for televisions and monitors. All pulse widths are completely definable by the user. The
devices are capable of generating signals for both interlaced and noninterlaced modes of
operation. Equalization and serration pulses can be introduced into the Composite Sync
signal when needed.
Four additional signals can also be made available when Composite Sync or Blank are used.
These signals can be used to generate horizontal or vertical gating pulses, cursor position or
vertical Interrupt signal.
These devices make no assumptions concerning the system architecture. Line rate and
field/frame rate are all a function of the values programmed into the data registers, the status
register, and the input clock frequency.
The 'ACT715/LM1882 is mask programmed to default to a Clock Disable state. Bit 10 of
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