IN74LS161D データシートの表示（PDF） - Integral Corp.

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IN74LS161D

Synchronous 4 Bit Counters; Binary, Direct Reset

Integral Corp. 

IN74LS161

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

35

ns

tPHL Propagation Delay, Clock to Ripple carry

35

ns

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

24

ns

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

27

ns

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

24

ns

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

27

ns

tPLH Propagation Delay, Enable T to Ripple carry

14

ns

tPHL Propagation Delay, Enable T to Ripple carry

14

ns

tPHL Propagation Delay, Reset to Any Q

28

ns

Figure 1. Switching Waveform

Figure 2. Switching Waveform

Figure 3. Switching Waveform

Figure 4. Switching Waveform

4

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