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DATA SHEET
O K I G a A s P R O D U C T S
KGL4208/KGL4209/KGL4210 10-Gbps GaAs Frequency Divider ICs
February 2000
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Oki Semiconductor
KGL4208/KGL4209/KGL4210
10-Gbps GaAs Frequency Divider ICs INTRODUCTION
Oki Semiconductor's KGL4208, KGL4209, and KGL4210 are 10-Gbps GaAs frequency divider ICs that are designed for ultra high-speed digital communications systems. The KGL4208, KGL4209, and KGL4210 are 1/4, 1/8, and 1/16 frequency dividers ICs respectively. These 10-Gbps frequency divider IC's use 0.2-m gate length GaAs MESFET and Oki's unique CBFF (Common gate Bias Flip Flop) technology to achieve operations of 10 GHz or more. The KGL4208, KGL4209, and KGL4210 are available as 24-pin ceramic packaged devices. Due to their high sensitivity, capacitive coupling is recommended for the devices' clock input terminal (CK) connections.
FEATURES
* * * * * High-speed operation: 10-Gbps data rate (typ) Low-power dissipation: 80 mW (typ.) using 2-V power-supply 0.2-m gate length GaAs MESFET process CBFF (Common gate Bias Flip Flop) technology 24-pin ceramic package
APPLICATION
* High-speed optical communication systems: 10 Gbps * High-speed test equipment
Oki Semiconductor
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BLOCK DIAGRAM
VDD
VDD VDD
D CBFF CK 50 CR C
Q
D CBFF
Q
Q
Q
C
Q
Note: The number of KGL4208, 4209, and 4210 flip-flop stages are 2, 3, and 4, respectively. CK CR Q VDD Clock Input Terminal Reference Voltage Bias Terminal Divided Frequency Output Terminal Power Supply of Internal Circuit
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Parameter Supply Voltage Clock Input Voltage Temperature at Package Base Under Bias Storage Temperature Symbol VDD VCI Ts Tst Min. -0.3 -0.3 -45 -45 Max. 2.3 1.5 100 125 Units V V C C
Exceeding these maximum ratings could cause immediate damage or lead to permanent deterioration of the device.
Electrical Characteristics VB = 2 V 0.1 V, VDD = 2 V 0.1 V, Ts = 0C to 70C
Parameter Operating Data Bit Rate Range Power Dissipation High-Level Clock Input Voltage Low-Level Clock Input Voltage High-Level Output Voltage Low-Level Output Voltage Symbol DAR PW VIH VIL VOH VOL 0.6 -0.1 0.5 0 Min. Typ. 10 0.08 0.9 0.1 0.7 0.1 0.1 1.25 0.3 0.9 0.2 Max. Units Gbps W V V V V
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Oki Semiconductor
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PACKAGE DIMENSIONS
(Units: mm)
13.8 0.3 11.8 0.3 9.61 SQ 7.4 SQ
24 19
0.50 0.50 .064 0.2
0.20
1
18
Top View
6
13
7
12
1.27 6.35
0.30
0.125
Dimension in mm.
Pin Configuration
Pin No. 1 2 3 4 5 6 Description GND GND GND GND Q GND Pin No. 7 8 9 10 11 12 Description GND GND GND GND GND CR Pin No. 13 14 15 16 17 18 Description GND GND GND GND CK GND Pin No. 19 20 21 22 23 24 Description GND GND VDD GND VDD GND
Oki Semiconductor
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Notes:
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Oki Semiconductor
The information contained herein can change without notice owing to product and/or technical improvements. Please make sure before using the product that the information you are referring to is up-to-date. The outline of action and examples of application circuits described herein have been chosen as an explanation of the standard action and performance of the product. When you actually plan to use the product, please ensure that the outside conditions are reflected in the actual circuit and assembly designs. Oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected operation resulting from misuse, neglect, improper installation, repair, alteration or accident, improper handling, or unusual physical or electrical stress including, but not limited to, exposure to parameters outside the specified maximum ratings or operation outside the specified operating range. Neither indemnity against nor license of a third party's industrial and intellectual property right,etc.is granted by us in connection with the use of product and/or the information and drawings contained herein. No responsibility is assumed by us for any infringement of a third party's right which may result from the use thereof. When designing your product, please use our product below the specified maximum ratings and within the specified operating ranges, including but not limited to operating voltage, power dissipation, and operating temperature. The products listed in this document are intended for use in general electronics equipment for commercial applications (e.g.,office automation, communication equipment, measurement equipment, consumer electronics, etc.).These products are not authorized for use in any system or application that requires special or enhanced quality and reliability characteristics nor in any system or application where the failure of such system or application may result in the loss or damage of property or death or injury to humans. Such applications include, but are not limited to: traffic control, automotive, safety, aerospace, nuclear power control, and medical, including life support and maintenance. Certain parts in this document may need governmental approval before they can be exported to certain countries. The purchaser assumes the responsibility of determining the legality of export of these parts and will take appropriate and necessary steps, at their own expense, for export to another country. Copyright 2000 Oki Semiconductor Oki Semiconductor reserves the right to make changes in specifications at anytime and without notice. This information furnished by Oki Semiconductor in this publication is believed to be accurate and reliable. However, no responsibility is assumed by Oki Semiconductor for its use; nor for any infringements of patents or other rights of third parties resulting from its use. No license is granted under any patents or patent rights of Oki.
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