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PDF HA456 Data sheet ( Hoja de datos )
| Número de pieza | HA456 | |
| Descripción | 120MHz/ Low Power/ 8 x 8 Video Crosspoint Switch | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Data Sheet
HA456
August 1999 File Number 4153.2
120MHz, Low Power, 8 x 8 Video
Crosspoint Switch
The HA456 is the first 8 x 8 video crosspoint switch suitable
for high performance video systems. Its high level of
integration significantly 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 (200V/µs),
unity gain buffer capable of driving 400Ω and 5pF to ±2V.
For applications requiring gain or increased drive capability,
the HA456 outputs can be connected directly to two
HFA1412 quad, gain of two video buffers, which are capable
of driving 75Ω loads.
This crosspoint’s true high impedance three-state output
capability, makes it feasible to parallel multiple HA456s and
form larger switch matrices.
Pinouts
HA456 (MQFP)
TOP VIEW
Features
• Fully Buffered Inputs and Outputs (AV = +1)
• Routes Any Input Channel to Any Output Channel
• Switches Standard and High Resolution Video Signals
• Serial or Parallel Digital Interface
• Expandable for Larger Switch Matrices
• Wide Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . 120MHz
• High Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . 200V/µs
• Differential Gain and Phase . . . . . . . 0.05%, 0.05 Degrees
• Low Crosstalk at 10MHz . . . . . . . . . . . . . . . . . . . . . -55dB
Applications
• Professional Video Switching and Routing
• Security and Video Editing Systems
Ordering Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
HA456CN
0 to 70 44 Ld MQFP
HA456CM
0 to 70 44 Ld PLCC
PKG. NO.
Q44.10x10
N44.65
HA456 (PLCC)
TOP VIEW
A0
IN1
NC
IN2
DGND
NC
IN3
DGND
IN4
EDGE/LEVEL
IN5
144
43 42 41
40
39
38
37 36
35 34
33
2 32
3 31
4 30
5 29
6 28
7 27
8 26
9 25
10 24
11 23
12 13 14 15 16 17 18 19 20 21 22
OUT2
V-
OUT3
AGND
OUT4
NC
AGND
OUT5
AGND
OUT6
V+
A0
IN1
NC
IN2
DGND
NC
IN3
DGND
IN4
EDGE/LEVEL
IN5
6 5 4 3 2 1 44 43 42 41 40
7 39
8 38
9 37
10 36
11 35
12 34
13 33
14 32
15 31
16 30
17 29
18 19 20 21 22 23 24 25 26 27 28
OUT2
V-
OUT3
AGND
OUT4
NC
AGND
OUT5
AGND
OUT6
V+
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
1 page  
HA456
Electrical Specifications
PARAMETER
VSUPPLY = ±5V, AGND = DGND = 0V, RL = 400Ω (Note 2), Unless Otherwise Specified. (Continued)
TEST CONDITIONS
(NOTE 3)
TEST TEMP
LEVEL (oC)
MIN
TYP MAX UNITS
Output Capacitance
(Output Disabled)
PLCC Package
MQFP Package
B
25 - 3.5 -
pF
B
25 - 2.9 -
pF
Power Supply Rejection Ratio
Digital Input Current (Note 5)
Digital Input Low Voltage
DC, VS = ±4.5V to ±5.5V, VIN = 0V
VIN = 0V or 5V
A
A
A
Full 45
53
-
Full - - 1
Full -
- 0.8
dB
µA
V
Digital Input High Voltage
A
25 2.0
-
-
V
A
Full 2.2
-
-
V
SER OUT Logic Low Voltage
SER OUT Logic High Voltage
AC CHARACTERISTICS (Note 4)
Serial Mode, IOL = 1.6mA
Serial Mode, IOH = -0.4mA
A
Full -
- 0.4
V
A
Full 3.0
-
-
V
-3dB Bandwidth (Note 6)
CL = 5pF, VIN = 200mVP-P
CL = 5pF, VIN = 1VP-P
CL = 5pF, VIN = 2VP-P
Slew Rate (Note 6)
VOUT = 4VP-P
All Hostile Crosstalk (Note 6)
10MHz, VIN = 1VP-P, RL=1kΩ
All Hostile Off Isolation (Note 6)
10MHz, VIN = 1VP-P
Differential Phase
NTSC or PAL, RL = 1kΩ
NTSC or PAL, RL ≥ 10kΩ
Differential Gain
NTSC or PAL, RL = 1kΩ
NTSC or PAL, RL≥10kΩ
TIMING CHARACTERISTICS (See Figure 3 for more information)
B 25 - 120 - MHz
B 25 - 70 - MHz
B 25 - 50 - MHz
B 25 - 200 - V/µs
B
25 - -55 -
dB
B
25 - 70 -
dB
B 25 - 0.05 - DEG
B 25 - 0.05 - DEG
B 25 - 0.05 - %
B 25 - 0.02 - %
Write Pulse Width High (tWH)
Write Pulse Width Low (tWL)
Chip-Enable Setup Time to Write (tCS)
Chip-Enable Hold Time From Write (tCH)
Data and Address Setup Time to Write (tDS)
Parallel Mode
Serial Mode
A
Full 20
-
-
ns
A
Full 20
-
-
ns
A Full 5 - - ns
A Full 5 - - ns
A
Full 20
-
-
ns
A
Full 20
-
-
ns
Data and Address Hold Time From Write (tDH)
A
Full 25
-
-
Latch Pulse Width (tL)
A
Full 40
-
-
Latch Delay From Write (tD)
A
Full 40
-
-
LATCH Edge to Output Disabled (tOFF)
Serial Mode
B Full - 30 -
LATCH Edge to Output Enabled (tON)
Serial Mode
B Full - 185 -
Output Break-Before-Make Delay
(tON - tOFF)
Serial Mode
B Full - 155 -
NOTES:
2. For the lowest crosstalk, and the best composite video performance, use RL ≥ 1kΩ.
3. Test Level: A. Production Tested; B. Typical or Guaranteed Limit Based on Characterization; C. Design Typical for Information Only.
4. See AC Test Circuits (Figure 6 through Figure 9).
5. Excludes D1/SER OUT which is a bidirectional terminal and thus falls under the higher Output Leakage limit.
6. See Typical Performance Curves for more information.
ns
ns
ns
ns
ns
ns
5
5 Page 
AC Test Circuits
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
VOUT
VIN = 1VP-P, SWEEP FREQUENCY
FIGURE 6. -3dB BANDWIDTH (NOTES 7-10)
HA456
IN0
OUT0
VOUT
IN1
OUT1
VOUT
IN2
OUT2
VOUT
IN3
OUT3
VOUT
IN4
OUT4
VOUT
IN5
OUT5
VOUT
IN6
OUT6
VOUT
IN7
OUT7
VOUT
VIN = 1VP-P, AT 10MHz
FIGURE 7. ALL HOSTILE OFF ISOLATION (NOTES 10-12)
7 X 75Ω
IN0 OUT0 VOUT
IN1 OUT1 VOUT
IN2 OUT2 VOUT
IN3 OUT3 VOUT
IN4 OUT4 VOUT
IN5 OUT5 VOUT
IN6 OUT6 VOUT
IN7 OUT7
VIN = 1VP-P, AT10MHz
IN0
OUT0
VOUT
IN1 OUT1
75Ω
IN2 OUT2
IN3 OUT3
IN4 OUT4
IN5 OUT5
IN6 OUT6
IN7 OUT7
VIN = 1VP-P, AT 10MHz
FIGURE 8. SINGLE CHANNEL CROSSTALK (NOTES 10, 13-16)
FIGURE 9. ALL HOSTILE CROSSTALK (NOTES 10, 15, 17-19)
NOTES:
7. Program the desired input to output combination (e.g., IN7 to OUT1).
8. Enable the selected output(s).
9. Drive the selected input with VIN, and measure the -3dB frequency at the selected output (VOUT).
10. Load all outputs with the desired RL.
11. Disable all outputs.
12. Drive all inputs with VIN and measure VOUT at any output; isolation (in dB) = -20log10 (VOUT/VIN).
13. Drive VIN on one input which connects to one output (e.g., IN7 to OUT7).
14. Terminate all other inputs to GND.
15. Enable all outputs.
16. Measure VOUT at any undriven output; crosstalk (in dB) = 20log10 (VOUT/VIN).
17. Terminate one input to GND, and connect that input to a single output (e.g., IN0 to OUT0).
18. Drive the other seven inputs with VIN, and connect these active inputs to the remaining seven outputs.
19. Measure VOUT at the quiescent output; crosstalk (in dB) = 20log10 (VOUT/VIN).
11
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| PDF Descargar | [ Datasheet HA456.PDF ] | |
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