SDA5273-2S データシートの表示（PDF） - Siemens AG

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SDA5273-2S

ICs for Consumer Electronics MEGATEXT and MEGATEXT PLUS ICs

Siemens AG 

SDA 5273 / 75

SDA 5273-2 / 75-2

Characteristics (cont’d)

TA = 0 to 70 °C

Parameter

Symbol Limit Values Unit Test Condition

min. typ. max.

Open Drain Outputs: SDA, SCL

L-output voltage

Sink current

VOL

0

IOL

0.4 V

IOL = 3 mA

10 mA

I2C-Mode Timing

MEGATEXT is an I2C-slave transmitter/receiver.

The Siemens I2C Bus specification applies.

SCL-frequency

Transition time

Bus capacitance

Bus free before start

Hold time start

L-time clock

H-time clock

Set-up time start

Hold time SDA

Set-up time SDA

Set-up time SDA at stop

Output fall time

fSCL

tr, tf

CBUS

tBUF

tHSTA

tLOW

tHIGH

tSUSTA

tHDDAT

tSUDAT

tSUSTO

tFO

0

4.7

4.0

4.0

4.0

4.0

0

250

4.0

100 kHz I2CEN = high

2

µs

400 pF

µs

µs

µs

µs

µs

µs

ns

µs

0.2 µs 3 V to 1 V

M3L-Mode Timing

The MEGATEXT M3L-Bus is specified in accordance with the standard USART-interface of micro

controller SDA 30C162.

SCL-frequency

L-time clock

H-time clock

SCL-load capacitance

Set-up time SDA-input to

SCL-falling edge

fSCL

0

tL

400

tH

400

CSCL

tDSL

100

1.0 MHz 20.48-MHz crystal

ns

ns

200 pF

ns

Hold time SDA-input from

tDHH

400

ns

SCL-falling edge

Semiconductor Group

16

1997-09-01

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