SP508E Datasheet, PDF (17/29 Pages) Exar Corporation – Rugged 20Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

DECx +3V
RCVRENABLE 0V
5V
RECEIVER OUT
V_IL
V_IH
RECEIVER OUT
0V
f = 1MHz; t_R < 10ns; t_F < 10ns
1.5V
t_ZL
1.5V _{Output normally LOW}
1.5V
t_ZH
Output normally HIGH
1.5V
t_LZ
0.5V
0.5V
t_HZ
Figure 39. Receiver Enable and Disable Times
+3V
Tx_Enable
0V
T_OUT
0V
V_OL
f = 60kHz; t_R < 10ns; t_F < 10ns
1.5V
t_ZL
V_{OL -} 0.5V
Output LOW
1.5V
t_LZ
V_{OL -} 0.5V
+3V
Tx_Enable
0V
T_OUT
V_OH
0V
f = 60kHz; t_R < 10ns; t_F < 10ns
1.5V
t_ZH
Output HIGH
1.5V
t_HZ
V_{OH - 0.5V}
Figure 40. V.28 (RS-232) and V.10 (RS-423) Driver Enable and Disable Times
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.comSP508E_100_072412
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