GX214A Gennum Corporation, GX214A Datasheet

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GX214A

Manufacturer Part Number
GX214A
Description
Monolithic 4x1 Video Multiplexer
Manufacturer
Gennum Corporation
Datasheet

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Revision date: July 2004
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-5946
Gennum Japan: Shinjuku Green Tower Building 27F 6-14-1, Nishi Shinjuku Shinjuku-ku, Tokyo 160-0023 Japan
FEATURES
• low cost
• differential gain at 3.58 MHz, 0.05% max.
• differential phase at 3.58 MHz, 0.05 deg. max.
• off-isolation better than 90 dB at 10 MHz
• all hostile crosstalk at 3.58 MHz, 75 dB typ. (R
• make-before-break switching
• Pb-free and Green
FUNCTIONAL BLOCK DIAGRAM
TRUTH TABLE
ORDERING INFORMATION
X = DON'T CARE
Part
Number
GX214 - ACDB
GX214 - ACKC
GX214 - ACKB
GX214 - ACKBE3
CS
0
0
0
0
1
IN 0
IN 1
IN 2
IN 3
A0
A1
A1
0
0
1
1
X
A0
0
1
0
1
X
X
2 TO 4 DECODER
Package
Type
14 Pin DIP
16 Pin SOIC
14 Pin SOIC
14 Pin SOIC
X
OUTPUT
LOGIC
HI - Z
IN 0
IN 1
IN 2
IN 3
X
X
Temperature
Range
0° to 70° C
0° to 70° C
0° to 70° C
0° to 70° C
SELECT
CHIP
OUTPUT
IN
= 75
Pb-Free
and Green
No
No
No
Yes
CS
)
CIRCUIT DESCRIPTION
The GX214A is a low cost 4x1 video multiplexer containing
four analog video switches and a 2 to 4 decoder. A Chip
Select input allows paralleled GX214As to be operated in
a switching matrix.
The GX214A represents a fully buffered, unilateral transmission
path when enabled. When disabled, the output is high
impedance.
The device operates from ±7.5 V to ±9.5 V supplies with
TTL and 5 V CMOS compatible input logic levels.
APPLICATIONS
• CATV and CCTV systems
• low cost video routing
SIG GND
SIG GND
SIG GND
SIG GND
SIG GND
SIG GND
SIG GND
SIG GND
SIG GND
IN 1
IN 0
IN 1
IN 2
IN 3
GX214A Monolithic 4x1
IN 0
IN 2
IN 3
NC
IN 0
IN 1
IN 2
IN 3
PIN CONNECTION
Tel: +81 (03) 3349-5501
PIN CONNECTION
PIN CONNECTION
Pin 1
8
Pin 1
7
Pin 1
7
14 PIN DIP
14 PIN SOIC
16 PIN SOIC
Video Multiplexer
14
8
14
8
16
9
V
AO
A1
CS
OUT
LOGIC GND
V
CC
EE
V
AO
A1
CS
OUT
LOGIC GND
V
V
NC
AO
A1
CS
OUT
LOGIC GND
V
CC
EE
CC
EE
Document No. 520 - 05 - 2
Fax: +81 (03) 3349-5505
DATA SHEET

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GX214A Summary of contents

Page 1

... Gennum Japan: Shinjuku Green Tower Building 27F 6-14-1, Nishi Shinjuku Shinjuku-ku, Tokyo 160-0023 Japan GX214A Monolithic 4x1 CIRCUIT DESCRIPTION The GX214A is a low cost 4x1 video multiplexer containing four analog video switches and decoder. A Chip Select input allows paralleled GX214As to be operated in a switching matrix ...

Page 2

Parameter Supply Voltage Operating Temperature Range Storage Temperature Range short from output to ground or either supply will destroy the device. NOTE: 1 For R use a 2.67 ký 1%, / EXT 4 ELECTRICAL CHARACTERISTICS PARAMETER Supply Voltage DC SUPPLY ...

Page 3

... The inputs may be driven directly from an amplifier which has low output impedance. The output of the GX214A must be buffered to drive 7 lines. The addition of an amplifier/buffer also allows adjustments to be made to the gain, offset and frequency response of the circuit. ...

Page 4

... The TEST SET UP shown is for INPUT 0 tests. Similar circuitry is used for each input INPUT in order to test FREQUENCY RESPONSE and PHASE DELAY. For OFF-ISOLATION, all switches are disabled (CHIP SELECT = logic 1) and a second enabled GX214A is connected to the output bus. For ALL-HOSTILE CROSSTALK, three OFF switches are driven from the generator and the fourth is terminated with a 75 DIFFERENTIAL GAIN and PHASE tests, the output is AC coupled to the output amplifier and the input level from the generator is modulated with a step signal varying between 0 volts DC and 0 ...

Page 5

... REVISION NOTES . Added lead-free and green information. Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. CAUTION ELECTROSTATIC SENSITIVE DEVICES DO NOT OPEN PACKAGES OR HANDLE EXCEPT AT A STATIC-FREE WORKSTATION DOCUMENT ...

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