+3V
RXEN
0V
5V
RECEIVER OUT
VIL
VIH
RECEIVER OUT
0V
tSKEW = |tPHL - tPLH|
1.5V f = 1MHz; tR ≤ 10ns; tF ≤ 10ns
tZL
1.5V Output normally LOW
1.5V
tLZ
0.5V
1.5V Output normally HIGH
tZH
0.5V
tHZ
Figure 8. Receiver Enable and Disable Times
TTL
Input
Driver
Output
Figure 9. Typical RS-232 Driver Output
Figure 10. Typical RS-485 Driver Output
SP334DS/10
Programmable RS-232/RS-485 Transceiver
6
© Copyright 2000 Sipex Corporation