SL74LS161 데이터 시트보기 (PDF) - System Logic Semiconductor

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SL74LS161

Synchronous 4 Bit Counters; Binary, Direct Reset

System Logic Semiconductor 

SL74LS161

AC ELECTRICAL CHARACTERISTICS (TA=25°C, VCC = 5.0 V, CL = 15 pF, RL = 2 kΩ, tr =15

ns, tf = 6.0 ns)

Symbol

Parameter

Min

Max

Unit

tPLH Propagation Delay, Clock to Ripple carry

tPHL Propagation Delay, Clock to Ripple carry

tPLH Propagation Delay, Clock (load input high) to Any Q

tPHL Propagation Delay, Clock (load input high) to Any Q

tPLH Propagation Delay, Clock (load input low) to Any Q

tPHL Propagation Delay, Clock (load input low) to Any Q

tPLH Propagation Delay, Enable T to Ripple carry

tPHL Propagation Delay, Enable T to Ripple carry

tPHL Propagation Delay, Reset to Any Q

35

ns

35

ns

24

ns

27

ns

24

ns

27

ns

14

ns

14

ns

28

ns

Figure 1. Switching Waveform

Figure 2. Switching Waveform

Figure 3. Switching Waveform

Figure 4. Switching Waveform

SLS

System Logic

Semiconductor

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