HD74HC74P データシートの表示（PDF） - Renesas Electronics

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HD74HC74P

Dual D-type Flip-Flops (with Preset and Clear)

Renesas Electronics 

HD74HC74

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

Item

Hold time

Removal time

Pulse width

Output rise/fall

time

Input capacitance

Symbol VCC (V)

th

2.0

4.5

6.0

trem

2.0

4.5

6.0

tw

2.0

4.5

6.0

tTLH, tTHL 2.0

4.5

6.0

Cin

—

Ta = 25°C

Ta = –40 to +85°C

Min Typ Max Min Max Unit

Test Conditions

5 ——

5

— ns Clock to Data

5

0—

5

—

5 –5 —

5

—

25 — —

31

— ns Preset, Clear to Clock

5 ——

6

—

4 ——

5

—

80 — — 100

— ns Clock, Preset, Clear

16 8 —

20

—

14 — —

17

—

— — 75

—

95 ns

— 5 15

—

19

— — 13

—

16

— 5 10

—

10 pF

Test Circuit

VCC

VCC

Input

Pulse generator

Zout = 50 Ω

Input

Pulse generator

Zout = 50 Ω

Output

Clock Q

PR

D

Output

CL = 50 pF

Clear Q

CL = 50 pF

Note: CL includes the probe and jig capacitance.

Rev.2.00, Oct 06, 2005 page 4 of 7

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