Aeroflex Circuit Technology

SCD4455 REV A 1/29/98

Plainview NY (516) 694-6700

4

specifications apply over the temperature range of -55°C to +125°C (case temperature) unless otherwise

specified.

Note 3: When measured at point A-A’ with ± 10 Volt peak, line to ground, DC to 2MHz

Electrical Characteristics — Receiver Section

Parameter

Condition

Symbol

Min

Typ

Max

Unit

Differential Receiver Input Voltage Range

(See Figure 5, point P–P')

TXFMR

2.12:1

14

20

Common Mode Rejection Ratio (Note 3)

CMRR

45

dB

Strobe Characteristics (Logic "O" Inhibits Output)

"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 or Turn-off)

50

100

nS

Threshold Characteristics (Sinewave Input)

Input Threshold Voltage (referred to the bus)

100KHz–1MHz

0.60

0.82

1.10

Output Characteristics – RX DATA and RX DATA

"1" State

2.5

3.7

V

"0" State

0.35

0.5

V

Delay, (average) from Differential Input Zero

Crossings to RX DATA and RX DATA Output

50% points

340

500

nS

Power Data

Power Supply Currents – Per Channel

Transmitter Standby

Note 4

18

30

mA

25% duty cycle

150

175

50% duty cycle

300

350

100% duty cycle

600

700

Power Supply Voltage

Operating Power Supply Voltage Range

+4.75

+5.00

+5.50

V