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HA457CN Datasheet

  • HA457CN

  • 95MHz, Low Power, AV = 2, 8 x 8 Video Crosspoint Switch

  • 178.04KB

  • 14頁

  • INTERSIL   INTERSIL

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HA457
Data Sheet
August 1999
File Number
4231.2
95MHz, Low Power, A
V
= 2, 8 x 8 Video
Crosspoint Switch
The HA457 is an 8 x 8 video crosspoint switch suitable for
high performance video systems. Its high level of integration
signi鏗乧antly reduces component count, board space, and
cost. The crosspoint switch contains a digitally controlled
matrix of 64 fully buffered switches that connect eight video
input signals to any, or all, matrix outputs. Each matrix output
connects to an internal, high-speed (275V/碌s), gain of two
buffer capable of driving 150鈩?to
鹵2.5V.
The HA457 will directly drive a double terminated video
cable with some degradation of differential gain and phase.
Applications demanding the best composite video
performance should drive the cable with a unity gain video
buffer, such as the HFA1412 quad buffer (see Figure 7).
This crosspoint鈥檚 three-state output capability makes it
feasible to parallel multiple HA457s and form larger switch
matrices.
Features
鈥?Pin Compatible, Cable Driving Upgrade for HA456 and
MAX456
鈥?Fully Buffered Inputs and Outputs (A
V
= +2)
鈥?Routes Any Input Channel to Any Output Channel
鈥?Switches Standard and High Resolution Video Signals
鈥?Serial or Parallel Digital Interface
鈥?Expandable for Larger Switch Matrices
鈥?Wide Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . 95MHz
鈥?High Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . 275V/碌s
鈥?Low Crosstalk at 10MHz . . . . . . . . . . . . . . . . . . . . -55dB
Applications
鈥?Video Switching and Routing
鈥?Security and Video Editing Systems
Ordering Information
PART NUMBER
HA457CN
HA457CM
TEMP.
RANGE (
o
C)
0 to 70
0 to 70
PACKAGE
44 Ld MQFP
44 Ld PLCC
PKG. NO.
Q44.10x10
N44.65
Pinouts
HA457 (MQFP)
TOP VIEW
D1/SER OUT
D0/SER IN
HA457 (PLCC)
TOP VIEW
A0
IN1
NC
IN2
DGND
NC
IN3
DGND
IN4
EDGE/LEVEL
IN5
44 43 42 41 40 39 38 37 36 35 34
1
33
2
32
3
31
4
30
5
29
6
7
8
9
28
27
26
25
OUT2
V-
OUT3
AGND
OUT4
NC
AGND
OUT5
AGND
OUT6
V+
24
10
11
23
12 13 14 15 16 17 18 19 20 21 22
A0
IN1
NC
IN2
DGND
NC
IN3
DGND
IN4
EDGE/LEVEL
IN5
IN0
A1
A2
D0/SER IN
D1/SER OUT
NC
V+
OUT0
D2
OUT1
D3
6
7
8
9
10
11
12
13
14
15
16
17
18 19 20 21 22 23 24 25 26 27 28
5 4
3
2 1 44 43 42 41 40
39
38
37
36
35
34
33
32
31
30
29
OUT0
OUT1
IN0
NC
A1
A2
D2
D3
V+
OUT2
V-
OUT3
AGND
OUT4
NC
AGND
OUT5
AGND
OUT6
V+
SER/PAR
IN7
LATCH
1
OUT7
NC
CE
IN6
WR
CE
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Copyright
漏
Intersil Corporation 1999
SER/PAR
IN7
V-
NC
WR
LATCH
CE
CE
OUT7
V+
V-
V+
IN6

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