HD74LV164A 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74LV164A

8-bit Parallel-out Serial-in Shift Register

Hitachi -> Renesas Electronics 

HD74LV164A

Switching Characteristics (cont)

• VCC = 3.3 ± 0.3 V

Ta = 25°C

Ta = –40 to 85°C

Item

Symbol Min

Maximum fmax

80

clock

frequency

50

Propa-

gation

t /t PLH PHL

—

delay time

—

tPHL

—

—

Setup time tsu

5.0

2.5

Typ Max Min

155 — 65

120 — 45

6.4 12.8 1.0

8.3 16.3 1.0

6.0 12.8 1.0

7.9 16.3 1.0

— — 6.0

— — 2.5

Max

—

—

15.0

18.5

15.0

18.5

—

—

Unit

MHz

Test Conditions

CL = 15 pF

CL = 50 pF

ns

CL = 15 pF

CL = 50 pF

CL = 15 pF

CL = 50 pF

ns

Hold time th

Pulse

tw

width

0.0 — — 0.0

—

ns

5.0 — — 5.0

—

ns

5.0 — — 5.0

—

FROM

(Input)

TO

(Output)

CLK

Q

CLR

Data before CLK ↑

CLR inactive before

CLK ↑

Data after CLK ↑

CLR L

CLK H or L

Rev.1, Aug. 2001, page 8 of 16

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