XR3170E Datasheet, PDF (12/24 Pages) Exar Corporation – 3.3V High Speed RS-485/RS-422 TRANSCEIVERS WITH 1/8 UNIT LOAD

XR3170E-3178E
3.3V HIGH SPEED RS-485/RS-422 TRANSCEIVERS WITH 1/8^th UNIT LOAD
FIGURE 9. DRIVER ENABLE DISABLE TIMING DIAGRAM 1
REV. 1.0.0
DE
t_ZH, t_ZH(SHDN)
Vcc/2
Vcc
0
OUT
V_OM = (V_OL + Vcc)/2
0.25V
0
t_HZ
FIGURE 10. DRIVER ENABLE AND DISABLE TIME TEST CIRCUIT 2
0 or Vcc ^DI
Y
D
Z
S1
C_L = 50pF
GENERATOR
50Ω
Vcc
R_L = 500Ω
OUT
12