MC74LCX16646
2.7V
An, Bn,
1.5V
SBAn, SABn
0V
tPLH, tPHL
VOH
Bn, An
1.5V
VOL
WAVEFORM 1 – SAB to B and SBA to A, An to Bn PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
OEn
1.5V
DIRn
tPZH
An, Bn
1.5V
tPHZ
1.5V
2.7V
0V
VOH – 0.3V
≈ 0V
tPZL
tPLZ
≈ 3.0V
An, Bn
1.5V
VOL + 0.3V
WAVEFORM 2 – OE/DIR to An/Bn OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
Figure 1. AC Waveforms
MOTOROLA
8
LCX DATA
BR1339 — REV 3