Aeroflex Circuit Technology

4

SCD4468D REV B 5/25/00 Plainview NY (516) 694-6700

Note 3. Specifications apply over the case temperature range of -55°C to +125°C unless otherwise specfied.

Note 4. All typical values are measured at +25°C

Electrical Characteristics – Receiver Section

Parameter

Condition

Symbol

Min

Typ

Max

Unit

Differential Voltage Range, Figure 4 Point P-P’

20

V peak

Common Mode Rejection Ratio

CMRR

45

dB

"0" Input Current

-0.2

-0.4

mA

"1" Input Current

1

+40

µA

"0" Input Voltage

0.7

V

"1" Input Voltage

2.0

V

Strobe Delay (turn-on)

40

100

nS

Strobe Delay (turn-off)

60

100

nS

Threshold Characteristics (Sinewave input )

Input Threshold Voltage(referred to the bus)

100KHz-

1MHz

0.60

0.8

1.15

V p-p

Output Characteristics, RX DATA and RX DATA

"1" State

2.5

3.7

V

"0" State

0.3

0.5

V

Delay, (average)from differential input zero

crossings to RX DATA and RX DATA output

50% points

250

400

nS

Power Data

Maximum Currents, Per Channel (+5V)

Duty Cycle

Typ

Max

Transmitter Standby

20 mA

30 mA

25% duty cycle

155 mA

185 mA

50% duty cycle

290 mA

335 mA

100% duty cycle

560 mA

650 mA

Power Supply Voltage

+V

4.75 to 5.5 Volts