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Part Name(s) : MAX038 MAX038C MAX038C/D MAX038CPP MAX038CWP MAX038C_D MAX038D MAX038EPP MAX038EWP MaximIC
Maxim Integrated
Description : High-Frequency Waveform Generator View

General Description
The MAX038 is a high-Frequency, precision function Generator producing accurate, high-Frequency triangle, sawtooth, sine, square, and pulse waveforms with a minimum of external components. The output Frequency can be controlled over a Frequency range of 0.1Hz to 20MHz by an internal 2.5V bandgap voltage reference and an external resistor and capacitor. The duty cycle can be varied over a wide range by applying a ±2.3V control signal, facilitating pulse-width modulation and the generation of sawtooth waveforms. Frequency modulation and Frequency sweeping are achieved in the same way. The duty cycle and Frequency controls are independent.

Features
♦ 0.1Hz to 20MHz Operating Frequency Range
♦ Triangle, Sawtooth, Sine, Square, and Pulse Waveforms
♦ Independent Frequency and Duty-Cycle Adjustments
♦ 350 to 1 Frequency Sweep Range
♦ 15% to 85% Variable Duty Cycle
♦ Low-Impedance Output Buffer: 0.1Ω
♦ Low-Distortion Sine Wave: 0.75%
♦ Low 200ppm/°C Temperature Drift

Applications
  Precision Function Generators
  Voltage-Controlled Oscillators
  Frequency Modulators
  Pulse-Width Modulators
  Phase-Locked Loops
  Frequency Synthesizer
  FSK Generator—Sine and Square Waves

Part Name(s) : AV9248F-81 ICS9248-81 ICS9248F-81 AC9248-81 ICST
Integrated Circuit Systems
Description : Frequency Generator & Integrated Buffers View

Frequency Generator & Integrated Buffers

Part Name(s) : ICS9248-73 ICS9248F-73 AV9248-73 AV9248F-73 ICST
Integrated Circuit Systems
Description : Frequency Timing Generator for Pentium II Systems View

Frequency Timing Generator for Pentium II Systems

Part Name(s) : AV82C404M AV82C404N GSP82C404M GSP82C404N ICS82C404 ICS82C404M ICS82C404N 82C404N 82C404M ICST
Integrated Circuit Systems
Description : Dual Programmable Graphics Frequency Generator View

General Description
The ICS82C404 is a fully programmable graphics clock Generator. It can generate user specified clock frequencies using an externally generated input reference or by a single crystal. The output Frequency is programmed by entering a 24-bit digital word through the serial port.

Features
• Pin-for-pin and function compatible with ICD’s version of the 82C404
• Dual programmable graphics clock Generator
• Memory and video clocks are individually programmable “on-the-fly”
• Ideal for designs where multiple or varying frequencies are required
• Increased Frequency resolution from optional pre-divideby-2 on the M counter
• Output enable feature available for tristating outputs
• Independent clock outputs range from 390 kHz to 120 MHz
• Operation up to 140 MHz available
• Power-down capabilities
• Low-power, high speed 0.8µ CMOS technology
• Glitch-free transitions
• Available in 16-pin PDIP or SOIC package


Part Name(s) : W155 W155G Cypress
Cypress Semiconductor
Description : Spread Spectrum Frequency Timing Generator View

Overview
The W155 incorporates the latest advances in PLL-based spread spectrum Frequency synthesizer technology. By Frequency modulating the SYSCLK output with a low-Frequency carrier, peak EMI can be greatly reduced in a system. Use of this technique allows systems to pass increasingly difficult EMI testing without resorting to costly shielding or redesign.
In a system that uses the W155, not only is EMI reduced in the various clock lines, but also in all signals which are synchronized to SYSCLK. Therefore, the benefits of using this technique increase with the number of address and data lines in the system.

Features
• Generates a spread spectrum timing signal (SYSCLK) and a non-spread signal (USBCLK)
• Requires a 14.318-MHz crystal for operation
• Supports MIPS microprocessor clock frequencies
• Reduces peak EMI by as much as 12 dB
• Integrated loop filter components
• Cycle-to-cycle jitter = 250 ps (max)
• Operates with a 3.3 or 5.0V power supply
• Spread output is selectable from 10 to 133 MHz
• TEST mode supports modulation off (High-Z) and special test input reference Frequency
• Guaranteed 45/55 duty cycle
• Packaged in a 16-pin, 300-mil-wide SOIC (Small Outline Integrated Circuit)

Part Name(s) : ST7291L ST7291L2 ST7291L3 ST7291L4 ST7291L5 ST7291L5A ST7291L6 ST72E91L ST72T91L ST-Microelectronics
STMicroelectronics
Description : 8-BIT MCU WITH 8/12/16/24/32K ROM, TIMER, SUPPLY SUPERVISOR AND CARRIER Frequency Generator View

GENERAL DESCRIPTION
INTRODUCTION
The ST7291L CMOS Microcontroller Unit is a member of the ST7 family of microcontrollers. The device is based on an industry-standard 8-bit core and features an enhanced instruction set. Oscillator Frequency may be as high as 8MHz, however, thanks to the fully static design, operation is possible down to DC. Under software control, the ST7291L may be placed in either WAIT or HALT modes, thus reducing power consumption.

■ 2 to 5.5V Supply Operating Range
■ 8MHz Maximum Clock Frequency
■ Fully Static Operation
■ 0 to +70°C Operating Temperature Range
■ Run, Wait, Stop and RAM Retention modes
■ User ROM: 12/16/24/32 Kbytes
■ Data RAM: 256/384 bytes
■ 28 pin SO Plastic Packages
■ 21 Bidirectional I/O lines
■ 8 standard Push-pull I/Os with wake-up feature 13 standard Push-pull I/Os
■ 16-bit Timer with Output Compare (no output pin)
■ Low Voltage Detector (LVD)
■ Interrupt Wake-up function
■ IR Carrier Frequency Generator
■ 8-bit Data Manipulation
■ 63 Basic Instructions
■ 17 main Addressing Modes
■ 8x8 Unsigned Multiply instruction
■ True Bit Manipulation
■ Complete Development Support on PC/DOS/ Windows 3.1x/95/NT with Real-Time Emulator
■ Full Software Package (Cross-Assembler, Debugger)
■ Full Hardware Emulator
■ EPROM and OTP support

Part Name(s) : BL3102 ETC
Unspecified
Description : COMS Clock Generator/Driver For Low Voltage Operation BBD View

[BELLING]

Description
The BL3102 is a low output impedance, CMOS 2-phase clock Generator/driver circuit for low voltage operaton BBD. It also includes a VGG Voltage Generator. This device can provide can provide acquired clock by self-oscillating an external clock source.The output clock pulse Frequency is half of the oscillating (or external)pulse Frequency.

Features
● It can drive 4096-stage like low voltage operation BBD.directly.
● 2-phase clock output
● Build-in VGG Generator for low voltage operation BBD.
● Single power supply(4V-10V)
● 8-pin plastic DIP

Part Name(s) : ICS9169C-26 ICS9169CF-26 AV9169C-26 AV9169CF-26 ICST
Integrated Circuit Systems
Description : Frequency Generator and Integrated Buffers View

General Description
The ICS9169C-26 is a low-cost Frequency Generator designe specifically for Pentium™-based chip set systems. The integrated buffer minimizes skew and provides all the clocks required. A 14.318 MHz XTAL oscillator provides the reference clock to generate standard Pentium frequencies. The CPU clock makes gradual Frequency transitions without violating the PLL timing of internal microprocessor clock multipliers.

Features
• Twelve selectable CPU clocks operate up to 83.3 MHZ
• Eight selectable CPU clocks operate up to100 MHz
• Maximum CPU jitter of –200ps
• Seven BUS clocks support sync or async bus operation
• 500ps skew window for all synchronous clock edges CPU clocks to BUS clocks in sync mode skew 1-4ns (CPU early)
• Integrated buffer outputs drive up to 30pF loads
• 3.0V - 3.7V supply range
• 36-pin SSOP package
• 48 MHz clock for USB support and 24 MHz clock for FD

Part Name(s) : BL3102 BELLING
Shanghai Belling Co., Ltd.
Description : COMS Clock Generator/Driver For Low Voltage Operation BBD View

Description
The BL3102 is a low output impedance,CMOS 2-phase clock Generator/driver circuit for low voltage  operaton BBD. It also includes a VGG Voltage Generator. This device can provide can provide acquired clock  by self-oscillating an external clock source.The output  clock pulse Frequency is half of the oscillating(or external)pulse Frequency.

Features
● It can drive 4096-stage like low voltage operation BBD.directly.
● 2-phase clock output
● Build-in VGG Generator for low voltage operation BBD.
● Single power supply(4V-10V)
● 8-pin plastic DIP

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