SL74LS245

System Logic

Semiconductor

SLS

Note 1: Not more thanone output should be shorted at a time, and duration of the short -circuit should not exceed

one second.

°C, V

Symbol

Parameter

Test Condition

Min

Max

Unit

Propagation Delay Time, Low-to-High Level

Output (from A or B to Output)

12

ns

Propagation Delay Time, High-to-Low Level

Output (from A or B to Output)

Ω

12

ns

Output Enable Time to High Level (from OE

to Output)

40

ns

Output Enable Time to Low Level (from OE

to Output)

40

ns

Output Disable Time from High Level

(from OE to Output)

25

ns

Output Disable Time from Low Level

(from OE to Output)

Ω

25

ns

Figure 1. Switching Waveforms

(See Figure 3)

Figure 2. Switching Waveforms

(See Figure 4)

B. All diodes are 1N916 or 1N3064.

B. All diodes are 1N916 or 1N3064.

Figure 3. Test Circuit

Figure 4. Test Circuit