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CXT6176 CXT8192 CXT8192A Pullable Quartz Crystals
Features Provides jitter attenuation function for the following T1/E1 Line Interface Units CS61304A, CS61305A, CS61535A, CS61574A, CS61577 General Description
The CXT6176 and CXT8192 pullable quartz crystals ensure proper jitter attenuation and frequency tolerance for Cirrus Logic's line interface devices. The CXT6176 is designed for use in 1.544 MHz T1 applications and the CXT8192 is designed for use in 2.048 MHz E1 applications. The CXT8192A is a specialized tight tolerance crystal designed to meet the CTR12 jitter attenuation requirements for E1 applications when used with the CS61304A, and CS61305A line interface devices. ORDERING INFORMATION CXT6176: HC-49 Package, -40 to +85 C CXT6176U:HC-49U/N Package, -40 to +85 C CXT8192: HC-49 Package, -40 to +85 C CXT8192U:HC-49U/N Package, -40 to +85 C CXT8192A:HC-49 Package, -40 to +85 C
Cirrus Logic Line Interface Device
Final Product Information
Cirrus Logic, Inc. www.cirrus.com This document contains advanced information for a new product. Cirrus Logic reserves the right to modify this product without notice.
Copyright Cirrus Logic, Inc. 2003 (All Rights Reserved)
FEB `03 DS39F5 1
(c)
CXT6176 CXT8192 CXT8192A
CXT6176 Performance Specifications
Parameter Total Frequency Range Operating Frequency Cload = 11.6 pF Cload = 19.0 pF Cload = 37.0 pF (Note 1) (Note 2) (Note 3) (Note 2) Min 6.176803 6.175846 Typ 370 6.176000 Max 390 6.176154 6.175197 Units ppm MHz MHz MHz
CXT8192 Performance Specifications
Parameter Total Frequency Range Operating Frequency Cload = 11.6 pF Cload = 19.0 pF Cload = 37.0 pF (Note 1) (Note 2) (Note 3) (Note 2) Min 8.192410 8.191795 Typ 210 8.192000 Max 245 8.192205 8.191590 Units ppm MHz MHz MHz
CXT8192A Performance Specifications (Notes 4, 5)
Parameter Total Frequency Range Operating Frequency Cload = 11.6 pF Cload = 19.0 pF Cload = 37.0 pF (Note 1) (Note 2) (Note 3) (Note 2) Min 8.192410 8.191795 Typ 160 8.192000 Max 190 8.192205 8.191590 Units ppm MHz MHz MHz
Notes:
1. With C load varying from 11.6 to 37.0 pF at a given temperature. 2. Measured at -40 to 85 C. 3. Measured with Saunders 150D meter at 25 C. 4. The CXT8192A crystal is designed to meet CTR12 jitter attenuation requirements for E1 applications when used with the CS61575, CS61304A, and CS61305A line interface devices. 5. Due to tighter total frequency range tolerances, the CXT8192A must be placed within 0.5 inches of device crystal pins and cut-outs should be made in power and ground planes beneath the crystal traces to minimize parasitic capacitance.
General Specifications & Package Dimensions Mode Drive Level Aging Shock Vibration Seal Leaks Solderability Thermal Shock Fundamental 2 mW (max) 5 ppm/yr. (max) 10 G's, 6 ms, 6 planes 5 G's, 10 Hz to 500 Hz 10-8 cc/sec in Helium per Mil. std. 202, method 208 (no preconditioning, RMA flux) 5 cycles, -55 to 125 C, 1/2 cycle/hr. in air
0.435
0.183
0.530
0.500 min
Series Resistance 40 (max) at 50 W power (CXT6176,CXT8192 Series Resistance for CXT8192A 60 (max) at 50 W power
0.192 All measurements are in inches Package identifier: HC-49
0.017
2
DS39F4
CXT6176 CXT8192 CXT8192A
0.020
0.050 MIN 0.065 MAX
0.512
0.680
0.236
0.055
0.055
0.192
0.435
All measurements are in inches Package identifier: HC-49U/N
Contacting Cirrus Logic Support
For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find one nearest you go to www.cirrus.com
IMPORTANT NOTICE "Preliminary" product information describes products that are in production, but for which full characterization data is not yet available. "Advance" product information describes products that are in development and subject to development changes. Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided "AS IS" without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability. No responsibility is assumed by Cirrus for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other parts of Cirrus. This consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale. An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. An export license and/or quota needs to be obtained from the competent authorities of the Chinese Government if any of the products or technologies described in this material is subject to the PRC Foreign Trade Law and is to be exported or taken out of the PRC. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners.
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