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SL74LV245
An, Bn
tLH
0.9
V1
0.1
tPLH
tHL
0.9
V1
0.1
tPHL
VCC
GND
0.9 0.9
V1
V1
Bn, An
0.1
tTLH
V1 = 0.5V CC
0.1
0 VB
tTHL
Figure 1 -Time diagram of AC parameters control tPLH, tPHL.
OE, DIR
tHL
tLH
0.9
0.9
V1
V1
0.1 0.1
VCC
GND
tPZH
0.9
VOH
An, Bn
V1
tPHZ
0 VB
tPLZ
VCC
An, Bn
V1
tPZL
0.1
VOL
V1 = 0.5V CC
Figure 2 - Time diagram of tPLZ, tPHZ, tPZL, tPZH. AC parameters control
SLS
System Logic
Semiconductor