HD74HC323RPEL 데이터 시트보기 (PDF) - Renesas Electronics

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HD74HC323RPEL

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Renesas Electronics 

HD74HC323

Switching Characteristics

Item

Symbol VCC (V)

Maximum clock

frequency

fmax

2.0

4.5

6.0

Propagation delay tPLH

2.0

time

tPHL

4.5

6.0

2.0

4.5

6.0

Output enable time tZH

2.0

tZL

4.5

6.0

Output disable

time

tHZ

2.0

tLZ

4.5

6.0

Output rise/fall

time

tTLH

2.0

tTHL

4.5

6.0

2.0

4.5

6.0

Input capacitance Cin

—

Ta = 25°C

Min Typ Max

—— 5

— — 27

— — 31

— — 150

— 18 30

— — 26

— — 175

— 20 35

— — 30

— — 150

— 14 30

— — 26

— — 150

— 15 30

— — 26

— — 75

— 5 15

— — 13

— — 60

— 4 12

— — 10

— 5 10

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

Ta = –40 to +85°C

Unit

Min

Max

Test Conditions

—

4 MHz

—

21

—

24

—

190 ns Clock to QA’ or QH’

—

38

—

33

—

220 ns Clock to Q

—

44

—

37

—

190 ns

—

38

—

33

—

190 ns

—

38

—

33

—

95

ns QA’, QH’

—

19

—

16

—

75 ns Q

—

15

—

13

—

10 pF

Test Circuit

VCC

VCC

G1

Output

Input

Pulse Generator

G2

G

A/QA

S1 to H/QH

Zout = 50 Ω

S0

Output

1 k Ω S1

CL =

50 pF

OPEN

GND

VCC

Input

Pulse Generator

Zout = 50 Ω

SR

Clock

SL

Clear

QA'

Output CL =

50 pF

QH'

CL =

50 pF

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 Jan 31, 2006 page 4 of 5

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