
SN54 / 74LS353
3-STATE WAVEFORMS
VIN
1.3 V
tPLH
VOUT
1.3 V
Figure 1
1.3 V
tPHL
1.3 V
VE
VE
VOUT
1.5 V
tPZL
1.5 V
Figure 3
1.5 V
tPLZ
≈ 1.5 V
0.5 V
VOL
VIN
1.3 V
tPLH
VOUT
1.3 V
1.3 V
tPHL
1.3 V
Figure 2
VE
VE
tPZH
VOUT
1.5 V
tPHZ
1.5 V
1.5 V
≥ VOH
≈ 1.5 V
0.5 V
Figure 4
TO OUTPUT
UNDER TEST
VCC
RL
SW1
5.0 kΩ
CL*
SW2
AC LOAD CIRCUIT
SWITCH POSITIONS
SYMBOL
SW1
SW2
tPZH
tPZL
tPLZ
tPHZ
Open
Closed
Closed
Closed
Closed
Open
Closed
Closed
* Includes Jig and Probe Capacitance.
Figure 5
FAST AND LS TTL DATA
5-513