HD74HC393 データシートの表示（PDF） - Renesas Electronics

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HD74HC393

Dual 4-bit Binary Counters

Renesas Electronics 

HD74HC393

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

Item

Maximum clock

frequency

Propagation delay

time

Pulse width

Removal time

Output rise/fall

time

Input capacitance

Symbol VCC (V)

fmax

2.0

4.5

6.0

tPLH

2.0

tPHL

4.5

6.0

tPLH

2.0

tPHL

4.5

6.0

tPLH

2.0

tPHL

4.5

6.0

tPLH

2.0

tPHL

4.5

6.0

tPHL

2.0

4.5

6.0

tw

2.0

4.5

6.0

th

2.0

4.5

6.0

tTLH

2.0

tTHL

4.5

6.0

Cin

—

Ta = 25°C

Min Typ Max

——

5

— — 25

— — 29

— — 120

— 16 24

— — 20

— — 185

— 20 37

— — 31

— — 220

— 24 44

— — 37

— — 260

— 28 52

— — 44

— — 150

— 21 30

— — 28

80 — —

16 — —

14 — —

50 — —

10 — —

9 ——

— — 75

— 5 15

— — 13

— 5 10

Ta = –40 to +85°C

Min

Max Unit

Test Conditions

—

4 MHz

—

20

—

24

—

150 ns Clock to QA

—

30

—

26

—

230 ns Clock to QB

—

46

—

39

—

275 ns Clock to QC

—

55

—

47

—

325 ns Clock to QD

—

65

—

55

—

190 ns Clear to QA, QB, QC, QD

—

38

—

33

100

—

ns Clock, clear

20

—

17

—

65

—

ns Clear to clock

13

—

11

—

—

95

ns

—

19

—

16

—

10 pF

Test Circuit

VCC

Input

Pulse Generator

Zout = 50 Ω

Input

Pulse Generator

Zout = 50 Ω

VCC

Output

A

Clear

QA

Output

CL = 50 pF

QB

Output

QC

Output

QD

CL = 50 pF

CL = 50 pF

CL = 50 pF

Note : 1. CL includes probe and jig capacitance.

Rev.2.00 Mar 30, 2006 page 4 of 6

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