HA4344B 데이터 시트보기 (PDF) - Intersil
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HA4344B Datasheet PDF : 4 Pages
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Data Sheet
June 1, 2006
HA4344B
FN3956.4
350MHz, 4x1 Video Crosspoint Switch
with Synchronous Controls
The HA4344B is a very wide bandwidth 4x1 crosspoint switch
ideal for professional video switching, HDTV, computer
display routing, and other high performance applications. This
circuit features very low power dissipation, excellent
differential gain and phase, high off isolation, symmetric slew
rates, fast switching, and latched control signals. When
disabled, the output is switched to a high impedance state,
making the HA4344B ideal for matrix routers.
The latched control signals allow for synchronized channel
switching. When CK1 is low, the master control latch loads
the next switching address (A0, A1, CS), while the closed
(assuming CK2 is the inverse of CK1) slave control latch
maintains the crosspoint in its current state. CK2 switching
low closes the master latch (with previous assumption),
loads the now open slave latch, and switches the crosspoint
to the newly selected channel. Channel selection is
asynchronous (changes with any control signal change) if
both CK1 and CK2 are low.
Ordering Information
PART
NUMBER
PART TEMP. RANGE
PKG.
MARKING
(°C)
PACKAGE DWG. #
HA4344BCB HA4344BCB 0 to 70 16 Ld SOIC M16.15
HA4344BCBZ 4344BCBZ
(Note)
0 to 70
16 Ld SOIC M16.15
(Pb-free)
HA4344BCBZ96 4344BCBZ
(Note)
0 to 70
16 Ld SOIC M16.15
Tape & Reel
(Pb-free)
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are RoHS compliant and compatible
with both SnPb and Pb-free soldering operations. Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
Functional Diagram
A0
A1 DECODE
CS
CK1
CK2
100kΩ
EN0 DL Q
C
EN1 DL Q
C
EN2 DL Q
C
EN3 DL Q
C
100kΩ
DL Q
C
IN0
DL Q
C
IN1
IN2
DL Q
C
IN3
DL Q
C
OUT
Features
• Low Power Dissipation . . . . . . . . . . . . . . . . . . . . . .105mW
• Symmetrical Slew Rates . . . . . . . . . . . . . . . . . . 1400V/μs
• 0.1dB Gain Flatness. . . . . . . . . . . . . . . . . . . . . . . 100MHz
• -3dB Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . 350MHz
• Off Isolation (100MHz) . . . . . . . . . . . . . . . . . . . . . . . .70dB
• Crosstalk Rejection (30MHz) . . . . . . . . . . . . . . . . . . .80dB
• Differential Gain and Phase . . . . . . . . . . . . . . 0.01%/0.01°
• High ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . .>2000V
• TTL Compatible Control Signals
• Latched Control Lines for Synchronous Switching
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Professional Video Switching and Routing
• RGB Video Distribution Systems
• Computer Graphics
• RF Switching and Routing
Pinout
HA4344B (SOIC)
TOP VIEW
IN0 1
GND 2
IN1 3
GND 4
IN2 5
GND 6
IN3 7
GND 8
16 V+
15 A0
14 A1
13 CS
12 OUT
11 CK2
10 CK1
9 V-
Timing Diagram
CK1
CK2
A0, A1, CS CHX CHY CHZ CHX CHZ
OUT
CHX
CHY
CHX CHZ
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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Copyright Intersil Americas Inc. 2002, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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