MFG:35 Package Cooled:Infineon
MFG: 35
Package Cooled: Infineon
Description: The SDA 9254-2 is a combination of the TV-SAM SDA 9253 and an adaptive recursive filter to achieve a r...
The SDA 9254-2 is a combination of the TV-SAM SDA 9253 and an adaptive recursive filter to achieve a reduction of noise for video signals. To get a closed loop one of the two output ports of the triple port memory is connected internally to the noise reduction filter. External access to this port is not possible. The characteristic of the noise reduction filter is adjustable via three pins (CLASS2, CLASS1, CLASS0).
| Parameter | Symbol | Limit Values | Unit | Remarks | |
| min. | max. | ||||
| Storage temperature | Tstg | 55 | 125 | °C | |
| Soldering temperature | Tsold | 260 | °C | ||
| Soldering time | tsold | 10 | s | ||
| Input/output voltage | VI/Q | 1 | 7 | V | |
| Power supply voltage | VDD | 1 | 7 | V | |
| Data out current (short circuit) | IQ | 10 | mA | ||
| Total power dissipation | Ptot | 1.2 | W | ||
| Power dissipation per output | PQ | 60 | mW | ||
Stores a complete video field (4:1:1)
On chip adaptive recursive noise reduction filter (4:1:1)
4 noise reduction classes selectable
Special noise reduction mode for 4:2:2 applications
212 X64 X16 X12-bit organization
Triple port architecture
One 16 X12-bit input shift register
Two 16 X12-bit output shift registers
Shift registers independently and simultaneously accessible (one output shift register is used internally for noise reduction filtering)
Continuous data flow even at maximum speed
40-MHz shift rate - 0.96-Gbit/s total data rate
All inputs and outputs TTL-compatible
Tristate outputs
Random access of groups of 16 X 12 bits for a wide range of applications
Refresh-free operation possible
5 V ± 10 % power supply
0 . 70 °C operating temperature range
Low power dissipation: 700 mW active, 28 mW standby
Suitable for all common TV standards
Allows flicker and noise reduction simultaneously with only one field memory
Applications: TV, VCR, image processing, video printers, data compressors, delay lines, time base correctors, HDTV
SDA9254-2
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