SN74LS299 Motorola, SN74LS299 Datasheet - Page 5

• Manufacturer Part Number: SN74LS299
• Description: 8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS
• Manufacturer: Motorola

UNDER TEST
TO OUTPUT
V E
V E
V OUT
V IN
V OUT
* Includes Jig and Probe Capacitance.
1.5 V
1.3 V
1.3 V
SW1
t PLH
1.5 V
Figure 3
Figure 1
t PZL
C L *
V CC
R L
5 k
0.5 V
1.5 V
SW2
1.3 V
t PLZ
1.3 V
t PHL
FAST AND LS TTL DATA
V OL
SN54/74LS299
3-STATE WAVEFORMS
1.5 V
AC LOAD CIRCUIT
Figure 5
5-483
V E
V E
t PZH
V OUT
V IN
V OUT
SYMBOL
1.5 V
t PZH
t PHZ
t PZL
t PLZ
1.3 V
1.5 V
1.3 V
Figure 2
t PLH
Figure 4
SWITCH POSITIONS
t PHZ
1.3 V
Closed
Closed
Closed
Open
SW1
1.5 V
1.3 V
t PHL
0.5 V
V OH
1.5 V
Closed
Closed
Closed
Open
SW2