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Partno	Mfg	Dc	Qty	Available	Descript
SDA5273-2CS \|SDA52732CS	SIEMENS	N/a	20	avai	Compacttext
SDA5273-2P \|SDA52732P	MICRO/INFI	N/a	34	avai	Megatext
SDA5273-2S \|SDA52732S	SIEMENS MEGATEXT	N/a	60	avai	Megatext
SDA5273-2S \|SDA52732S		N/a	63	avai	Megatext
SDA5275-2S \|SDA52752S	INFINEON	N/a	1	avai	Megatext Plus
SDA5275P	SIMENS	N/a	305	avai	Megatext Plus
SDA5275S	SIEMENS	N/a	305	avai	Megatext Plus
SDA5275S	SIE	N/a	144	avai	Megatext Plus
SDA5275S	INFINEON	N/a	3600	avai	Megatext Plus
SDA5275S		N/a	1	avai	Megatext Plus

SDA5275S ,Megatext Plusapplications, processes and circuits implemented within components or assemblies.The information de ..
SDA5275S ,Megatext Pluscharacteristics specify mean values expected over the production spread. If not otherwise specified ..
SDA5275S ,Megatext Plus ICs for Consumer ElectronicsMEGATEXT and MEGATEXT PLUS ICs SDA 5273 / SDA 5275 SDA 5273-2 / SD ..
SDA5275S ,Megatext Pluscharacteristics specify mean values expected over the production spread. If not otherwise specified ..
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SDA5522 ,TVText ProFeaturesable (by TARA Systems)west-/east-european and 8-Bit microcontroller core (8051 Demo Board ..
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SH50S-0.9-330 , Inductors for National 50kHz Simple SwitcherTM
SH69P20 , SH69P20
SH69P20 , SH69P20
SH69P20 , SH69P20
SH69P20 , SH69P20

SDA5273-2CS-SDA5273-2P-SDA5273-2S-SDA5275-2S-SDA5275P-SDA5275S
Compacttext

Data Classification
Maximum Ratings
Maximum ratings are absolute ratings; exceeding only one of these values may cause irreversible
damage to the integrated circuit.
Characteristics
The listed characteristics are ensured over the operating range of the integrated circuit. Typical
characteristics specify mean values expected over the production spread. If not otherwise specified,
typical characteristics apply at
= 25
C and the given supply voltage.
Operating Range
In the operating range the functions given in the circuit description are fulfilled.
For detailed technical information about
“Processing Guidelines”
and
“Quality Assurance”
for
ICs, see our
“Short Form Catalog”.
SDA 5273 / 75
SDA 5273-2 / 75-2
ContentsPageFeatures
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.1Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.2Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9Electrical Characteristics
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12Diagrams
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21Package Outlines
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
MEGATEXT
is a registered trademark of Siemens AG
MEGATEXT
and MEGATEXT PLUS ICs
Preliminary DataCMOS IC
SDA 5273 / 75
SDA 5273-2 / 75-2
Features
Single chip teletext IC
Analog CVBS-input with onchip clamping circuitry
Slicer
Supports level 1, 2.5 and 3.5 ETSI teletext standard
Stores up to 14 teletext pages on chip
Stores up to 2048 teletext pages with external
16 M memory
SDA 5275: full level 2.5 processing
Analog RGB-output
41 latin script languages
12
10 character size
Parallel display attributes
64 from 4096 colors selectable
Enhanced flash modes
Dynamically redefinable character set (DRCS, PCS)
Pixel graphics
Fullscreen display (64
32 or 80
24 character positions)
Horizontal and vertical scrolling
Graphic cursors
4:3 and 16:9 display
Multinorm display (50/60/100/120 Hz)
RISC-processor
Firmware downloadable
C / 3 wire UART-interface (1 Mbit/s)
Independent clocks for acquisition and display
Tools for greatly simplified software development
24-Kbyte on-chip reconfigurable DRAM
44160-bit character ROM
One external crystal for all standards

SDA 5273 / 75
SDA 5273-2 / 75-2
Pin Configuration
(top view)

SDA 5273 / 75
SDA 5273-2 / 75-2
1.1Pin Definitions and Functions
SDA 5273 / 75
SDA 5273-2 / 75-2
1.1 Pin Definitions and Functions
(cont’d)

Depends on version. Please refer to the respective Delta Specification.
SDA 5273 / 75
SDA 5273-2 / 75-2
Pin Configuration
(top view)

SDA 5273 / 75
SDA 5273-2 / 75-2
1.2Pin Definitions and Functions
SDA 5273 / 75
SDA 5273-2 / 75-2
1.2 Pin Definitions and Functions (cont’d)
SDA 5273 / 75
SDA 5273-2 / 75-2
1.2 Pin Definitions and Functions (cont’d)
SDA 5273 / 75
SDA 5273-2 / 75-2Electrical Characteristics
Absolute Maximum Ratings

Characteristics
TA = 0 to 70 °C
Supply Voltages
Supply Currents
Inputs
Tristate of Outputs: I2CEN, HS, VS, GPO, RES, D0-D3
SDA 5273 / 75
SDA 5273-2 / 75-2
Characteristics (cont‘d)
TA = 0 to 70 °C
Outputs
TTL-Outputs: A0-A11, D0-D3, RASQ, CASQ, WEQ, HS, VS, GPO, INTQ, TCSQ
Open Drain Outputs: BLAN, CORQ
Sourcefollower Output: CVBS at pin TCSQ
Sync Timing: HS, VS, TCSQ
Sync Output Waveforms
SDA 5273 / 75
SDA 5273-2 / 75-2
Characteristics (cont’d)
TA = 0 to 70 °C
Output Timing: HS, VS, TCSQ
Hold and delay time with respect to 24-MHz external system clock input:
Input Timing: HS, VS
No synchronous input mode specified!
Clock Input/Output (see diagram 1)
Clock Input
Clock Output
SDA 5273 / 75
SDA 5273-2 / 75-2
Characteristics (cont’d)
For modes with external clock MEGATEXT may only be operated in freerun mode as sync master. HS may not
be used as an input in these cases.
The RGB-output voltage is proportional to VREF.
TA = 0 to 70 °C
RGB-Outputs
Bus Connection: SDA, SCL, I2CEN (see diagram 4)
Inputs: SDA, SCL