V23849-R35-C55 datasheet(17/34 Pages) INFINEON

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V23849-R3x-C55

Technical Data

Preliminary Product Information

2004-06-28

I/O Timing of Soft Control and Status Functions

Parameter

Symbol

Max.

Value

Unit

Condition

Tx Disable assert

time

t_off

100

Time from Tx Disable bit set

until optical output falls below

10% of nominal

Tx Disable deassert

time

t_on

100

Time from Tx Disable bit

cleared until optical output

rises above 90% of nominal

Time to initialize,

including reset of

Tx Fault

t_init

300

Time from power on or

negation of Tx Fault using

Tx Disable until transmitter

output is stable

Tx Fault assert time

t_fault

100

Time from fault to Tx Fault bit

set

LOS assert time

t_loss_on

100

Time from LOS state to

Rx LOS bit set

LOS deassert time

t_loss_off

100

Time from non-LOS state to

Rx LOS bit cleared

Rate select change

time

t_rate_sel

100

Time from change of state of

Rate Select bit

1) until receiver

bandwidth is in conformance

with appropriate specification

Serial ID clock rate

f_serial_clock

400

kHz

N/A

Analog parameter

data ready

t_data

1000

From power on to data ready,

bit 0 of byte 110 set

Serial bus hardware

ready

t_serial

300

Time from power on until

module is ready for data

transmission

Measured from falling clock edge after stop bit of write transaction.

See Gigabit Interface Converter (GBIC). SFF-0053, Rev. 5.5, September 27, 2000.

Not implemented.

The maximum clock rate of the serial interface is defined by the I

2C bus interface standard.

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