IN74ALS574DW 查看數據表（PDF） - Integral Corp.

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IN74ALS574DW

Octal 3-State Noninverting D Flip-Flop

Integral Corp. 

IN74ALS574

AC ELECTRICAL CHARACTERISTICS over full operating conditions

(VCC = 5.0 V±10%, CL = 50 pF, RL1 = RL2 = 500 Ω, Input tr = tf = 2.0 ns)

Guaranteed Limit

Symbol

Parameter

Min

Max

fmax Maximum Clock Frequency

35

tPLH, tPHL Propagation Delay Time, from Clock to Output

14

tPZH, tPZL Propagation Delay Time, from Enable to Any Q

18

tPHZ Propagation Delay Time, from Enable to Any Q

32

tPLZ Propagation Delay Time, from Enable to Any Q

18

tw

Pulse Duratio, Enable, 25°C at 5.0 V

16.5

tsu

Data Setup Time before Clock

15

th

Data Hold Time after Clock

4

Unit

MHz

ns

ns

ns

ns

ns

ns

ns

Figure 1. Switching Waveforms

tPZL, tPLZ - S1 closed

tPZH, tPHZ - S1 opened

Figure 2. Switching Waveforms

Figure 3. Switching Waveforms

3

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