HD74LV166A Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

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HD74LV166A

Parallel-Load 8-bit Shift Register

Hitachi -> Renesas Electronics 

HD74LV166A

Switching Characteristics (cont)

• VCC = 5.0 ± 0.5 V

Ta = 25°C

Ta = –40 to 85°C

Item

Symbol Min Typ Max Min

Max

Test

Unit Conditions

Maximum fmax

110 165 — 90

—

clock

frequency

MHz CL = 15 pF

95

Propa-

gation

tPLH/tPHL —

delay time

125 — 85

6.0 9.9 1.0

—

11.5

CL = 50 pF

ns

CL = 15 pF

tPHL

Setup time tsu

—

7.7 11.9 1.0

—

5.4 8.6 1.0

—

6.9 10.6 1.0

3.5 — — 3.5

4.5 — — 4.5

13.5

10.0

12.0

—

—

CL = 50 pF

CL = 15 pF

CL = 50 pF

ns

4.0 — — 4.0

—

ns

4.0 — — 4.0

—

Hold time th

1.0 — — 1.0

—

ns

1.0 — — 1.0

—

1.0 — — 1.0

—

Pulse

tw

width

5.0 — — 5.0

—

ns

4.0 — — 4.0

—

FROM

(Input)

TO

(Output)

CLK

QH

CLR

CLK INH before CLK ↑

Data before CLK ↑

SH/LD high before CLK ↑

SER before CLK ↑

PAR data after SH/LD ↑

SER data after CLK ↑

SH/LD high after CLK ↑

CLR low

CLK H or L

10

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