GX434--CDB 데이터 시트보기 (PDF) - Gennum -> Semtech
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GX434--CDB Datasheet PDF : 5 Pages
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GX214A Monolithic 4x1
Video Multiplexer
DATA SHEET
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. (RIN= 75 Ω)
• make-before-break switching
FUNCTIONAL BLOCK DIAGRAM
IN 0
X
IN 1
X
IN 2
X
IN 3
X
OUTPUT
A0
A1
2 TO 4 DECODER
LOGIC
CHIP
SELECT
CS
TRUTH TABLE
CS A1 A0
00
0
00
1
01
0
01
1
1X
X
X = DON'T CARE
OUTPUT
IN 0
IN 1
IN 2
IN 3
HI - Z
ORDERING INFORMATION
Part Number
GX214 - ACDB
GX214 - ACKC
GX214 - ACKB
Package Type
14 Pin DIP
16 Pin SOIC
14 Pin SOIC
Temperature Range
0° to 70°C
0° to 70°C
0° to 70°C
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
IN 0
SIG GND
IN 1
SIG GND
IN 2
SIG GND
IN 3
Pin 1
7
14
VCC
AO
A1
CS
OUT
LOGIC GND
8
VEE
PIN CONNECTION
14 PIN DIP
IN 0
SIG GND
IN 1
SIG GND
IN 2
SIG GND
IN 3
Pin 1
14
7
8
PIN CONNECTION
14 PIN SOIC
VCC
AO
A1
CS
OUT
LOGIC GND
VEE
IN 0
SIG GND
IN 1
SIG GND
IN 2
SIG GND
IN 3
NC
Pin 1
16
8
9
PIN CONNECTION
16 PIN SOIC
VCC
NC
AO
A1
CS
OUT
LOGIC GND
VEE
Document No. 520 - 5 - 1
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-5946
Japan Branch: A-302 Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168, Japan tel. (03) 3334-7700 fax: (03) 3247-8839
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