SN55115, SN75115

DUAL DIFFERENTIAL RECEIVERS

SLLS072D – SEPTEMBER 1973 – REVISED MAY 1998

10

POST OFFICE BOX 655303

Figure 13

PROPAGATION DELAY TIMES

vs

FREE-AIR TEMPERATURE

–75

TA – Free-Air Temperature – °C

30

125

0

–50

–25

0

25

50

75

100

5

10

15

20

25

VCC = 5 V

See Figure 1

tPHL (RL = 390 Ω)

tPLH (RL = 3.9 kΩ)

Figure 14

MAXIMUM OPERATING FREQUENCY

vs

RESPONSE-TIME-CONTROL CAPACITANCE

0.001

Response-Time-Control Capacitance –

µF

10M

10

100

0.01

0.1

1

1k

10k

1M

VCC = 5 V

Input: – 0.5-V to 0.5-V Square Wave

TA = 25°C

† Data for temperatures below 0

°C and above 70°C and for supply voltages below 4.75 V and above 5.25 V are applicable to SN55115 circuits

only. These parameters were measured with the active pullup connected to the sink output.

APPLICATION INFORMATION

Location 1

SN75113 Driver

SN75115 Receiver

Location 3

Location 2

Location 5

Location 4

Location 6

Twisted

Pair

ZO‡

ZO‡

‡ ZO = RT. A capacitor may be connected in series with ZO to reduce power dissipation.

Figure 15. Basic Party-Line or Data-Bus Differential Data Transmission