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Ordering Info
In Stock: 0
Package Quantity: 0
HTS Code: 8542.39.00.00
ECCN: EAR99
COO: BE
*Product Country of Origin (COO) information may be unavailable at the time of order placement. Buyer acknowledges that additional duties, tariffs, or import fees may be assessed based on the actual COO once determined.
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Product Info
- General Description
- Features
- Power Supply: 5V +/-10% (1MHZ û 50MHz)
- Power Supply: 3.3V +/-5% (1MHZ û 30MHz)
- Qualified from -55 to +225°C (Tj)
- Two input sources: crystal (1 to 50 MHz), external clock (DC to 50MHz)
- Operation from 32.768kHz crystals
- Programmable frequency divider: fin, fin/2, fin/4 and fin/8
- Programmable crystal driver and output driver strength
- Available in CDIL24 ceramic package
- Validated at 225°C for 43800 hours (and still on-going)
- Applications
- Well logging, Automotive, Aeronautics & Aerospace
- Precision timing
The CHT-CG50 is a versatile HighTemperature crystal clock generator with extended functional capabilities. The chip features a programmable crystal oscillator driver with an enable/disable control signal, an external clock input, a programmable divider chain and a programmable strength three-state output buffer. Using an external crystal, it is intended to provide reliable precision performance throughout the -55 to +225°C temperature range for supply voltages between 3.3V and 5V.
The CHT-CG50 can operate with crystals from 1MHz to 50MHz. The output frequency can be selected by means of a programmable divider, providing division factors of one, two, four and eight. The programmability of the crystal driver allows working with a wide range of crystals. A crystal driver enable pin (/XtalEn) is included for extremely low power applications, as well as an output enable pin (/OE). In applications requiring only a precision divider chain, where an external clock source is already present, the crystal driver may be bypassed by means of inputs ExtClkIn and ExtClkEn.