+3V
DE
0V
5V
A, B
VOL
VOH
A, B
0V
f = 1MHz; tR < 10ns; tF < 10ns
1.5V
tZL
2.3V Output normally LOW
2.3V Output normally HIGH
tZH
Figure 6. Driver Enable and Disable Times
1.5V
tLZ
0.5V
0.5V
tHZ
VOD2+
A–B
VOD2–
VOH
RECEIVER OUT
VOL
tPHL
f = 1MHz; tR ≤ 10ns; tF ≤ 10ns
0V
INPUT
1.5V
OUTPUT
tPLH
0V
1.5V
Figure 7. Receiver Propagation Delays
+3V
RE
0V
5V
R
VIL
VIH
R
0V
1.5V f = 1MHz; tR < 10ns; tF < 10ns
tZL
1.5V Output normally LOW
1.5V
tLZ
0.5V
1.5V Output normally HIGH
tZH
0.5V
tHZ
Figure 8. Receiver Enable and Disable Times
SP522DS/07
SP522 Multi–Mode Serial Transceivers
7
© Copyright 2000 Sipex Corporation