82C85, 82C852, 82C85AFP2 Selling Leads, Datasheet
MFG:MIT Package Cooled:QFP D/C:96
82C85, 82C852, 82C85AFP2
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Info of 82C85
Info of 82C852
Info of 82C85AFP2
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About 82C85
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Datasheet: 82C85
File Size: 372473 KB
Manufacturer: INTERSIL [Intersil Corporation]
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About 82C206
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Datasheet: 82C206
File Size: 4769219 KB
Manufacturer: ETC [ETC]
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About 82C206
PDF/DataSheet Download
Datasheet: 82C206
File Size: 4769219 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
82C85 General Description
The Intersil 82C85 Static CMOS Clock Controller/Genera- tor provides complete control of static CMOS system oper- ating modes and supports full speed, slow, stop-clock and stop-oscillator operation. While directly compatible with the Intersil 80C86 and 80C88 16-bit Static CMOS Microproces-
sor Family, the 82C85 can also be used for general system clock control.
For static system designs, separate signals are provided on the 82C85 for stop (S0, S1, S2/STOP) and start (START) control of the crystal oscillator and system clocks. A single control line (SLO/FST) determines 82C85 fast (crystal/EFI frequency divided by 3) or slow (crystal/EFI frequency divided by 768) mode operation. Automatic maximum mode 80C86 and 80C88 software HALT instruction decode logic in the 82C85 enables software- based clock control. Restart logic insures valid clock start- up and complete synchronization of system clocks.
The 82C85 is manufactured using the Intersil advanced Scaled SAJI IV CMOS process. In addition to clock control circuitry, the 82C85 also contains a crystal controlled oscillator (up to 25MHz), clock generation logic, complete "Ready" synchronization and reset logic. This permits the designer to tailor the system power-performance product to provide optimum performance at low power levels.
sor Family, the 82C85 can also be used for general system clock control.
For static system designs, separate signals are provided on the 82C85 for stop (S0, S1, S2/STOP) and start (START) control of the crystal oscillator and system clocks. A single control line (SLO/FST) determines 82C85 fast (crystal/EFI frequency divided by 3) or slow (crystal/EFI frequency divided by 768) mode operation. Automatic maximum mode 80C86 and 80C88 software HALT instruction decode logic in the 82C85 enables software- based clock control. Restart logic insures valid clock start- up and complete synchronization of system clocks.
The 82C85 is manufactured using the Intersil advanced Scaled SAJI IV CMOS process. In addition to clock control circuitry, the 82C85 also contains a crystal controlled oscillator (up to 25MHz), clock generation logic, complete "Ready" synchronization and reset logic. This permits the designer to tailor the system power-performance product to provide optimum performance at low power levels.
82C85 Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+8.0V
Input, Output or I/O Voltage . . . . . . . . . . . GND -0.5V to VCC +0.5V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 1
Input, Output or I/O Voltage . . . . . . . . . . . GND -0.5V to VCC +0.5V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 1
82C85 Features
* Generates the System Clock For CMOS or NMOS Microprocessors and Peripherals
* Complete Control Over System Operation for Very Low System Power
- Stop-Oscillator
- Low Frequency
- Stop-Clock
- Full Speed Operation
* DC to 25MHz Operation (DC to 8MHz System Clock)
* Generates 50% and 33% Duty Cycle Clocks (Synchronized)
* Uses a Parallel Mode Crystal Circuit or External Frequency Source
* TTL Compatible Inputs/Outputs
* 24 Lead Slimline Dual-In-Line or 28 Pad Square LCC Package Options
* Single 5V Power Supply
* Operating Temperature Range
- C82C85 . . . . . . . . . . . . . . . . . . . . . . . . . .0 to +70
- I82C85 . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +85
- M82C85 . . . . . . . . . . . . . . . . . . . . . . . -55 to +125
* Complete Control Over System Operation for Very Low System Power
- Stop-Oscillator
- Low Frequency
- Stop-Clock
- Full Speed Operation
* DC to 25MHz Operation (DC to 8MHz System Clock)
* Generates 50% and 33% Duty Cycle Clocks (Synchronized)
* Uses a Parallel Mode Crystal Circuit or External Frequency Source
* TTL Compatible Inputs/Outputs
* 24 Lead Slimline Dual-In-Line or 28 Pad Square LCC Package Options
* Single 5V Power Supply
* Operating Temperature Range
- C82C85 . . . . . . . . . . . . . . . . . . . . . . . . . .0 to +70
- I82C85 . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +85
- M82C85 . . . . . . . . . . . . . . . . . . . . . . . -55 to +125
82C85 Connection Diagram
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