HD74HCT574RPEL データシートの表示（PDF） - Renesas Electronics

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HD74HCT574RPEL

Octal D-type Flip-Flops (with 3-state outputs)

Renesas Electronics 

HD74HCT564, HD74HCT574

Switching Characteristics

Item

Symbol VCC (V)

Maximum clock

frequency

fmax

4.5

Propagation delay time tPLH

4.5

tPHL

4.5

Output enable time

tZL

4.5

tZH

4.5

Output disable time

tLZ

4.5

tHZ

4.5

Setup time

tsu

4.5

Hold time

th

4.5

Pulse width

tw

4.5

Output rise/fall time

tTLH

4.5

tTHL

4.5

Input capacitance

Cin

—

Ta = 25°C

Min Typ Max

— — 30

Ta = –40 to +85°C

Min

Max

—

24

(CL = 50 pF, Input tr = tf = 6 ns)

Unit

Test Conditions

ns

— 14 31

—

— 15 31

—

— 16 30

—

— 16 30

—

— 15 30

—

— 18 30

—

20 3 —

25

5 –2 —

5

16 7 —

20

—

4

12

—

—

4

12

—

—

5

10

—

39

ns

39

38

ns

38

38

ns

38

—

ns

—

ns

—

ns

15

ns

15

10

pF

Test Circuit

VCC

Input

Pulse Generator

Zout = 50 Ω

Input

Pulse Generator

Zout = 50 Ω

VCC

Output

OC 1Q to 8Q

or

1Q to 8Q

1D to 8D

Clock

1 kΩ S1

CL =

50 pF

OPEN

GND

VCC

TEST

tPLH / t PHL

tZH/ t HZ

tZL / t LZ

S1

OPEN

GND

VCC

Note : 1. CL includes probe and jig capacitance.

Rev.2.00 Mar 30, 2006 page 5 of 8

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