ICS90C64V-PR2, ICS90C65, ICS90C65V Selling Leads, Datasheet
MFG:ICS Package Cooled:PLCC D/C:92
ICS90C64V-PR2, ICS90C65, ICS90C65V Datasheet download
Part Number: ICS90C64V-PR2
MFG: ICS
Package Cooled: PLCC
D/C: 92
ICS90C64V-PR2, ICS90C65, ICS90C65V
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Info of ICS90C64V-PR2
Info of ICS90C65
Info of ICS90C65V
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About ICS1493-17
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Datasheet: ICS1493-17
File Size: 252572 KB
Manufacturer: ICST
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About ICS90C65
PDF/DataSheet Download
Datasheet: ICS90C65
File Size: 369163 KB
Manufacturer: ICST [Integrated Circuit Systems]
Download : Click here to Download
About ICS90C65V
PDF/DataSheet Download
Datasheet: ICS90C65V
File Size: 369163 KB
Manufacturer: ICST [Integrated Circuit Systems]
Download : Click here to Download
ICS90C65 General Description
The Integrated Circuit Systems Video Graphics Array Clock Generator (ICS90C65) is capable of producing different output frequencies under firmware control. The video output frequency is derived from a 14.318 MHz system clock available in IBM PC/XT/AT and Personal System/2 computers. It is designed to work with Western Digital Imaging Video Graphics Array and 8514/A devices to optimize video subsystem performance.
The video dot clock output may be one of 15 internallygenerated frequencies or one external input. The selection of the video dot clock frequency is done through four inputs.
· VSEL0
· VSEL1
· VSEL2
· VSEL3
VSEL0 and VSEL1 are latched by the SELEN signal. VSEL2 and VSEL3 are used as direct inputs to the VCLK selection. Table 1-1 is the truth table for VCLK selection.
The input and truth table have been designed to allow a direct connection to one of the many Western Digital Imaging VGA controllers or 8514/A chip sets.
The MCLK output is one of eight internally-generated frequencies as shown in Table 1-2. The various VCLK and MCLK frequencies are derived from the 14.318 MHz input frequency.
The VCLKE and MCLKE input can tristate the VCLK and MCLK outputs to facilitate board level testing.
ICS90C65 Maximum Ratings
| Ambient Temperature under bias |
0°C to 70°C |
| Storage temperature | -40°C to 125°C |
| Voltage on all inputs and outputs with respect to VSS |
0.3 to 7 volts |
Note: Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability.
ICS90C65 Features
· Specified for dual voltage operation (VDD=3.3V or 5V), but operates continuously from 3.0V to 5.25V
· Designed to be powered-down for extended battery life
· Backward compatibility to the ICS90C64 and ICS90C63
· Dual Clock generator for the IBM-compatible Western Digital Imaging Video Graphics Array (VGA) LSI devices, and 8514/A chip sets
· Integral loop filter components, reduce cost and phase jitter
· Generates fifteen video clock frequencies (including 25.175 and 28.322 MHz) derived from a 14.318 MHz system clock reference frequency
· On-chip generation of eight memory clock frequencies
· Video clock is selectable among the 15 internally generated
clocks and one external clock
· CMOS technology
· Available in 20-pin PLCC, SOIC and DIP packages
· Designed to be powered-down for extended battery life
· Backward compatibility to the ICS90C64 and ICS90C63
· Dual Clock generator for the IBM-compatible Western Digital Imaging Video Graphics Array (VGA) LSI devices, and 8514/A chip sets
· Integral loop filter components, reduce cost and phase jitter
· Generates fifteen video clock frequencies (including 25.175 and 28.322 MHz) derived from a 14.318 MHz system clock reference frequency
· On-chip generation of eight memory clock frequencies
· Video clock is selectable among the 15 internally generated
clocks and one external clock
· CMOS technology
· Available in 20-pin PLCC, SOIC and DIP packages
ICS90C65 Connection Diagram
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