Agilent Technologies HFBR 5203 Instrukcja Użytkownika Pobierz pdf (Strona 9)

HFBR-5602

Transmitter Electrical Characteristics

= 0°C to +60°C, V

= 4.75 V to 5.25 V)

Receiver Electrical Characteristics

= 0°C to +60°C, V

= 4.75 V to 5.25 V)

Notes:

1. Open collector TTL compatible.

2. Rising edge of TX_DISABLE to fall of output signal below 10% of nominal.

3. Falling edge of TX_DISABLE to rise of output signal above 90% of nominal.

4. From power on or hot plug after V

T >4.75 V or From negation of TX_DISABLE during reset of TX_FAULT.

5. From occurrence of fault (output safety violation or V

T <4.5 V).

6. TX_DISABLE HIGH before TX_DISABLE set LOW.

Parameter Symbol Min. Typ. Max. Unit Notes

Transmitter

Differential Input Voltage

±TX_DAT 650 2000 mV p-p

Transmit Fault Load TX_FAULT

Load

4.7 10 k 1

TX_DISABLE Assert Time t_off 10 µsec 2

TX_DISABLE Negate Time t_on 1 msec 3

Time to initialize, includes reset

of TX_FAULT

t_init 300 msec 4

TX_FAULT from fault to assertion t_fault 7 msec 5

TX_DISABLE time to start reset t_reset 10 µsec 6

Parameter Symbol Min. Typ. Max. Unit Notes

Receiver

Differential Output Voltage

±RX_DAT 370 2000 mV p-p

Receiver Output Rise Time t

rRX_DAT

0.25 0.35 ns

Receiver Output Fall Time t

fRX_DAT

0.25 0.35 ns

Receiver Loss of Light Load RX_LOS

Load

4.7 10 k 1

Receiver Loss of Signal

Output Voltage - Low

RX_LOS

0.0 0.5 V

Receiver Loss of Signal

Output Voltage - High

RX_LOS

-0.5

+0.3

Receiver Loss of Signal

Assert Time - Logic low to high

A,RX_LOS

100 µs

Receiver Loss of Signal

Deassert Time - Logic high to low

D,RX_LOS

100 µs

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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