HD74LV595A 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74LV595A

8-bit Shift Registers with 3-state Outputs

Hitachi -> Renesas Electronics 

HD74LV595A

Switching Characteristics

• VCC = 2.5 ± 0.2 V

Item

Maximum

clock

frequency

Propagation

delay time

Symbol

fmax

tPLH/tPHL

tPHL

Enable time tZH

tZL

Disable time tHZ

tLZ

Setup time tSU

Ta = 25°C

Min Typ

65

80

60

70

—

11.6

—

14.8

—

10.5

—

13.7

—

11.2

—

14.4

—

10.3

—

12.2

—

7.6

—

14.4

5.5 —

10.0 —

Max

—

—

16.4

19.4

15.3

18.3

16.2

19.2

14.8

17.7

11.5

18.2

—

—

Ta = –40 to 85°C

Min

Max

45

—

40

—

Unit

MHz

Test

Conditions

CL = 15 pF

CL = 50 pF

1.0

19.5

1.0

22.5

1.0

18.0

1.0

21.0

1.0

18.2

1.0

21.2

1.0

17.5

1.0

20.5

1.0

13.5

1.0

19.2

5.5

—

10.5 —

ns

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

ns

CL = 15 pF

CL = 50 pF

ns

CL = 15 pF

CL = 50 pF

ns

10.0 —

—

11.0 —

5.0 —

—

5.0

—

Hold time

th

Pulse width tw

2.0 —

—

2.0

—

ns

0.5 —

—

0.5

—

0.5 —

—

0.5

—

7.0 —

—

7.5

—

ns

7.0 —

—

7.5

—

6.0 —

—

6.5

—

FROM

(Input)

TO

(Output)

SRCLK QH'

RCLK

QA – QH

SRCLK QH'

G

QA – QH

SER before SRCLK ↑

SRCLK ↑ before

RCLK ↑

SRCLR low before

RCLK ↑

SRCLR high

(inactive) before

SRCLK ↑

SER after SRCLK ↑

SRCLK ↑ after

RCLK ↑

SRCLR low after

RCLK ↑

RCLK high or low

SRCLK high or low

SRCLR low

9

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