STC3485E Datasheet, PDF (7/11 Pages) List of Unclassifed Manufacturers – 3.3V-Powered, ±15kV ESD-Protected, and Slew-Rate-Limited True RS-485 Transceivers

Figure 9. Receiver Propagation Delay
Figure 10. Receiver Enable and Disable Times
Note 4: The input pulse is supplied by a generator with the following characteristics: PRR = 250kHz, 50% duty cycle, tr=6.0ns, ZO = 50O.
Note 5: CL includes probe and stray capacitance.
Function Tables
Devices with Receiver/Driver Enable
Table 1. Transmitting
Table 2. Receiving
INPUTS
/RE DE DI
X1 1
X1 0
00X
10X
OUTPUTS
B
A
0
1
1
0
High-Z High-Z
High-Z High-Z
MODE
Normal
Normal
Normal
Shutdown
INPUTS
OUTPUTS
/RE DE
A, B
0
X
?-0.05V
0
X
?-0.2V
0
X Inputs Open
10
X
RO
1
0
1
High-Z
MODE
Normal
Normal
Normal
Shutdown