SP505 Datasheet, PDF (14/35 Pages) Sipex Corporation – WAN Multi-Mode Serial Transceiver

DE C X +3V
R C V R _{ENABLE 0 V}
5V
R E CE IVE R OUT
V_IL
V _IH
R E CE IVE R OUT
0V
f = 1MHz; t_R ≤ 10ns ; t_F ≤ 10ns
1 .5 V
t_ZL
1.5V _{O utput norma lly L O W}
1 .5 V
t_ZH
O utput norma lly HIG H
Figure 39. Receiver Enable and Disable Times
1 .5 V
t_LZ
0 .5 V
0 .5 V
t_HZ
+3V
DE CX or Tx_Enable
0V
0V
T _OUT
V _OL
f = 60kH z; t_R < 10ns; t_F < 10ns
1.5V
t_ZL
V _OL – .5V
Output LOW
1.5V
t_LZ
V _OL – .5V
+3V
DE CX or Tx_Enable
0V
V _OH
T _OUT
0V
f = 60kH z; t_R < 10ns; t_F < 10ns
1.5V
t_{ZH Output HIG H}
V _OH – .5V
1.5V
t_HZ
V _OH – .5V
Figure 40. V.28 (RS-232) and V.10 (RS-423) Driver Enable and Disable Times
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • [phone] • Fax [phone] • www.exar.com
14
SP505_100_081308