SDA9253, SDA9253ES, SDA9253GEG Selling Leads, Datasheet
MFG:SIEMENS Package Cooled:QFP D/C:98+
SDA9253, SDA9253ES, SDA9253GEG Datasheet download
Part Number: SDA9253
MFG: SIEMENS
Package Cooled: QFP
D/C: 98+
SDA9253, SDA9253ES, SDA9253GEG
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Info of SDA9253
Info of SDA9253ES
Info of SDA9253GEG
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About SDA9253
PDF/DataSheet Download
Datasheet: SDA9253
File Size: 178851 KB
Manufacturer: SIEMENS [Siemens Semiconductor Group]
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About SDA01
PDF/DataSheet Download
Datasheet: SDA01
File Size: 21011 KB
Manufacturer: SANKEN [Sanken electric]
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About SDA01
PDF/DataSheet Download
Datasheet: SDA01
File Size: 21011 KB
Manufacturer: SANKEN [Sanken electric]
Download : Click here to Download
SDA9253 General Description
The SDA 9253 is a triple port 2605056 bit dynamic sequential-access memory for high-data-rate video applications. It is organized as 212 rows by 64 columns by 16 arrays by 12 bit to allow for the storage of 12-bit planes of a TV field (NTSC, PAL, SECAM, MAC) in standard or studio quality (13.5-MHz basic sample rate) or 12-bit planes of parts of a HDTV field. The memory is fabricated using the same CMOS technology used for 4-Mbit standard dynamic random access memories.
The extremely high maximum data rate is achieved by three internal shift registers, each of 16-bit length and 12-bit width, which perform a serial to parallel conversion between the asynchronous input/output data streams and the memory array. The parallel data transfer from the 16X12-bit input shift register C to an addressed location of the memory array and from the memory array to one of the 16 ´ 12-bit output shift registers A or B is controlled by the serial row-(SAR) and column address (SAC) which contains the desired column address and an instruction code (mode bits) for transfer and refresh.
SDA9253 Maximum Ratings
| 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 | |
| Test function input voltage | VI | 1 | 7 | V | For factory use only |
| 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 | ||
SDA9253 Features
212 X64 X16 X12-bit organization
Triple port architecture
One 16 X 12-bit input shift register
Two 16 X12-bit output shift registers
Shift registers independently and simultaneously accessible
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 X12 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
SDA9253 Connection Diagram
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