MC74ACT574DW(2001) Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

MC74ACT574DW
(Rev.:2001)

Octal D Flip-Flop with 3-State Outputs

ON Semiconductor 

MC74AC574, MC74ACT574

AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)

74AC

74AC

Symbol

Parameter

VCC*

(V)

TA = +25°C

CL = 50 pF

TA = –40°C

to +85°C

CL = 50 pF

Unit

Fig.

No.

Min Typ Max Min Max

fmax

Maximum Clock

Frequency

3.3 75

–

5.0 95

–

–

60

–

–

85

–

MHz 3–3

tPLH

tPHL

tPZH

Propagation Delay

CP to On

Propagation Delay

CP to On

Output Enable Time

3.3 3.5

– 13.5 3.5

15

5.0 2.0

–

9.5 2.0

11

ns

3–6

3.3 3.5

–

12 3.5 13.5

5.0 2.0

–

8.5 2.0 9.5

ns

3–6

3.3 2.5

–

11 2.5 12

5.0 2.0

–

8.5 2.0 9.0

ns

3–7

tPZL

Output Enable Time

3.3 3.0

– 10.5 3.5 11.5

5.0 1.5

–

8.0 2.0 9.0

ns

3–8

tPHZ

Output Disable Time

3.3 4.0

–

12 4.5 13

5.0 2.0

–

9.5 2.0 10.5

ns

3–7

tPLZ

Output Disable Time

3.3 2.0

–

9.0 2.5

10

5.0 1.5

–

7.5 1.5 8.5

ns

3–8

* Voltage Range 3.3 V is 3.3 V ±0.3 V.

Voltage Range 5.0 V is 5.0 V ±0.5 V.

AC OPERATING REQUIREMENTS

Symbol

Parameter

Setup Time, HIGH or LOW

ts

Dn to CP

Hold Time, HIGH or LOW

th

Dn to CP

CP Pulse Width

tw

HIGH or LOW

*Voltage Range 3.3 V is 3.3 V ±0.3 V.

Voltage Range 5.0 V is 5.0 V ±0.5 V.

74AC

74AC

VCC*

(V)

TA = +25°C

CL = 50 pF

TA = –40°C

to +85°C

CL = 50 pF

Unit

Fig.

No.

Typ

Guaranteed Minimum

3.3

–

2.5

5.0

–

1.5

3.3

–

1.5

5.0

–

1.5

3.0

2.0

ns

3–9

1.5

1.5

ns

3–9

3.3

–

6.0

5.0

–

4.0

7.0

5.0

ns

3–6

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