K5O-HC Series: High Reliability SMD Clock Oscillators
The K5O-HC series datasheet details a family of surface-mount device (SMD) clock oscillators known for their high reliability within a robust ceramic package. These oscillators are designed primarily for technological infrastructure applications, targeting devices such as routers, switches, and servers.
Key Features
Frequency Offerings: The series offers a wide frequency range from 8MHz to 68MHz, catering to various design needs.
Frequency Tolerances: Available tolerances are within ±100ppm and ±50ppm, ensuring precise frequency control.
Output: It features a CMOS/TTL-compatible tristate output which can be disabled to high impedance (‘L’ state) offering design flexibility and power savings for multiplexing circuits.
Physical Characteristics
The K5O size dimensions are 7.0 millimeters by 5.0 millimeters with the typical tolerance of ±0.2mm. They are available in tape and reel packaging, facilitating automated assembly processes with 1,000 pieces per reel.
How to Order
Ordering is straightforward, given by the base part number (K5O HC), followed by a letter indicating the desired tolerance level, a packaging code (R for reel), and the specific frequency needed, making it easy to customize based on design requirements.
Electrical Specifications
These oscillators are designed to operate within a temperature range of -10°C to 70°C, with the capability of extending the operating temperature to -40°C to +85°C upon special request. The supply voltage is specified at 5V ±0.5V, and the operating current for a loaded oscillator at 68MHz frequency is 50mA maximum, with the disable current at 30mA maximum. The output duty cycle ranges from 45% to 55% at a voltage level of 0.5Vcc, which is standard for CMOS devices. Output voltage levels are defined as 0.1Vcc maximum for a low and 0.9Vcc minimum for a high, providing clarity for interfacing with other components.
The datasheet also provides additional parameters such as the rise/fall time of 10ns maximum, indicating the speed at which the output can transition between states, and start-up time is listed at 10ms maximum, detailing the duration from power-up to stable oscillation.
Customization and Support
Kyocera, the manufacturer of K5O-HC series, invites inquiries for custom frequency options and conditions that are not commonly available, showing commitment to customer support and versatility in product application. Please contact them directly for any specialized requirements.
References:
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