GX4314 Ver la hoja de datos (PDF) - Gennum -> Semtech
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GX4314 Datasheet PDF : 4 Pages
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GX4314 Wideband, Monolithic
4x1 Video Multiplexer
DATA SHEET
FEATURES
• low differential phase and gain
• wide bandwidth, 100 MHz at -1 dB (Flattened)
• small switching transient
• ±4.5 to ± 11 volts supplies
FUNCTIONAL BLOCK DIAGRAM
IN 0
IN 1
IN 2
IN 3
X
X
X
X
X
OUTPUT
CIRCUIT DESCRIPTION
The GX4314 is a wideband video multiplexer implemented
in bipolar technology. This device is characterized by
excellent differential phase and gain in the enabled state,
very high off-isolation in the disabled state and fully buffered
unilateral signal path. Make-before-break switching assures
virtually glitch-free switching.
For use in NxM routing matrices, the GX4314 features a
very high, nearly constant input impedance coupled with
high output impedance in the disabled state. This allows
multiple devices to be paralleled at the inputs and outputs
without additional circuitry.
Logic inputs are TTL and 5V CMOS compatible, providing
address and chip select functions. The operation of the
devices is described in the Truth Table below.
The wideband GX4314 is pin for pin compatible with the
high performance GX414, extending the flat frequency
response characteristics from 50 to 100 MHz.
2 TO 4 DECODER
LOGIC
A0
A1
GX4314
TRUTH TABLE
CHIP
SELECT
CS
APPLICATIONS
• HDTV
• Very high quality video switching
• Very high density video switching
• Computer graphics
• PCM / data routing
CS A1 A0
00 0
00 1
01 0
01 1
1X X
OUTPUT
IN 0
IN 1
IN 2
IN 3
HI - Z
X = DON'T CARE
AVAILABLE PACKAGING
14 pin PDIP
16 pin SOIC
14 pin SOIC
Tape 16 pin SOIC
ORDERING INFORMATION
Part Number
Package Type Temperature Range
GX4314 - CDB
GX4314 - CKB
GX4314 - CKC
GX4314 - CTC
14 pin PDIP
14 pin SOIC
16 pin SOIC
Tape 16 pin SOIC
0 to 70oC
0 to 70oC
0 to 70oC
0 to 70oC
CAUTION
ELECTROSTATIC
SENSITIVE DEVICES
DO NOT OPEN PACKAGES OR HANDLE
EXCEPT AT A STATIC-FREE WORKSTATION
Document No. 520 - 42 - 4
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-2055
Japan Branch: B-201 Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168, Japan tel. (03) 3247-8838 fax (03) 3247-8839
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