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D
ATA SHEET
OKI GaAs PRODUCTS
KGL4215
10-Gbps Decision Circuit
0.2µm Gate Length GaAs MESFET Technology
February 2000
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Oki Semiconductor
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KGL4215
10-Gbps GaAs Decision Circuit
INTRODUCTION
Oki Semiconductor’s KGL4215 is a 10-Gbps Decision Circuit with Limiting Amplifier and Flip Flop that
is designed for ultra high-speed digital communications systems. The KGL415 uses 0.2-µm gate length
GaAs MESFET and Oki’s unique MCFF ( Memory Cell type Flip Flop ) technology to achieve operating
speeds of 10-Gbps or more. The KGL4215 is available as a 24-pin ceramic packaged device. Due to the
KGL4215’s high sensitivity, capacitive coupling is recommended for the IC’s interface.
FEATURES
• High-speed operation: 10-Gbps data rate (min)
• Low-power dissipation: 600 mW (typ.) using 2-V power-supply
• 0.2-µm gate length GaAs MESFET process
• MCFF ( Memory Cell type Flip Flop ) technology
• 24-pin ceramic package
APPLICATION
• High-speed optical communication systems: 10 Gbps
• High-speed test equipment
1Oki Semiconductor
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KGL4215 ■ –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
BLOCK DIAGRAM
V
DD
DA
DR1
DR2
CK
CR
50 Ω
50 Ω
DA Data Input Terminal
CK Clock Input Terminal
DR1, CR Reference Voltage Terminals. Usually D1R and DR are connected to ground through a capacitor (0.1 µF).
DR2 Reference Voltage Bias Terminal
Q, QN Complimentary Data Output Terminals
VDD Power Supply of Internal Circuit
D
MCFF
D
C
C
Q
Q
V
DD
Q
V
DD
QN
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Parameter
Supply Voltage V
Data Input Voltage V
Temperature at Package Base under Bias Ts -45 100 °C
Storage Temperature Tst -45 125 °C
Exceeding these maximum ratings could cause immediate damage or lead to permanent deterioration of the device.
Electrical Characteristics
V
= 2 V ± 0.1 V, Ts = 0°C to 70°C
DD
Parameter
Maximum Operating Data Bit Rate DAR 10 Gbps
Power Dissipation PW 0.6 0.75 W
Clock Input Voltage Swing CIS 0.4 0.9 Vpp
Data Input Voltage Swing DIS 0.1 0.9 Vpp
Output Voltage Swing DOS 0.8 1.0 1.2 Vpp
Output ( Q, QN ) Rise Time and Fall Time TRF 30 40 ps
Phase Margin @ 10 Gbps (2
2 Oki Semiconductor
23
-1 PRBS) TPM 250 degree
Symbol Min. Max. Units
DD
, V
DI
CI
-0.3 2.3 V
-0.3 1.5 V
Symbol Min. Typ. Max. Units
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––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– ■ KGL4215
PACKAGE DIMENSIONS
(Units: mm)
■
13.8 ± 0.3
11.8 ±0.3
9.61 SQ
7.4 SQ
24 19
1
Top View
6
712
1.27 0.125
Dimension in mm.
0.30
6.35
18
13
0.50
0.50
.064 ±0.2 0.20
Pin Configuration
Pin No.
1 GND 7 GND 13 GND 19 CR
2 Q 8 GND 14 DA 20 VDD
3 GND 9 GND 15 GND 21 VDD
4 GND 10 GND 16 GND 22 GND
5 QN 11 DR2 17 CK 23 VDD
6 GND 12 DR1 18 GND 24 GND
Description Pin No. Description Pin No. Description Pin No. Description
3Oki Semiconductor
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KGL4215 ■ –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Notes:
4 Oki Semiconductor
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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.
Oki Semiconductor
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