SP3070-3078E Datasheet, PDF (9/19 Pages) Sipex Corporation – 15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe RS-485/RS422 Transceivers

FIGURE 4. DRIVER ENABLE & DISABLE TIMES TEST CIRCUIT & TIMING DIAGRAM
0 or VCC ^DI
Y
D
Z
S1
CL = 50pF
GENERATOR
50Ω
OUT
RL = 500Ω
DE
OUT
t_ZL, t_ZL(SHDN
V_OM = (V_OL+ V_CC)/2
V_CC
V_CC /2
0
0.25V
t_LZ
0
FIGURE 4A. DRIVER CONTENTION TEST
DE = 0 or 3V
A/Y
DI = 0 or 3V
D
B/Z
IOSD
100Ω
-7V to +12V V
Date: 03/28/05
SP3070E - SP3078E Family, ±15kV ESD-Protected, Failsafe RS-485/RS422 Transceivers
9
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