HD74LS76ARPEL データシートの表示（PDF） - Renesas Electronics

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HD74LS76ARPEL

Dual J-K Flip-Flops (with Preset and Clear)

Renesas Electronics 

HD74LS76A

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol min. typ.* max. Unit

Condition

Input voltage

Output voltage

J, K

VIH

2.0

—

—

V

VIL

—

—

0.8

V

VOH

2.7

—

—

V

VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,

IOH = –400 µA

VOL

—

—

0.5

V

IOL = 8 mA VCC = 4.75 V, VIH = 2 V,

—

—

0.4

IOL = 4 mA VIL = 0.8 V

—

—

20

Clear

Preset

—

—

60

IIH

—

—

60

µA VCC = 5.25 V, VI = 2.7 V

Clock

—

—

80

J, K

—

—

–0.4

Input

current

Clear

Preset

—

—

–0.8

IIL**

—

—

–0.8

mA VCC = 5.25 V, VI = 0.4 V

Clock

—

—

–0.8

J, K

—

—

0.1

Clear

Preset

—

—

0.3

II

—

—

0.3

mA VCC = 5.25 V, VI = 7 V

Clock

—

—

0.4

Short-circuit output

current

IOS

–20

—

–100

mA VCC = 5.25 V

Supply current***

ICC

—

4

6

mA VCC = 5.25 V

Input clamp voltage

VIK

—

—

–1.5

V

VCC = 4.75 V, IIN = –18 mA

Notes: * VCC = 5 V, Ta = 25°C

** IIL should not be measured when preset and clear inputs are low at same time.

*** With all outputs open, ICC is measured with the Q and Q outputs high in turn.

At the time of measurement, the clock input is grounded.

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol Inputs Outputs min. typ. max. Unit

Condition

Maximum clock frequency

fmax

30

45

MHz

Propagation delay time

tPLH

tPHL

Clear

Preset

Q, Q

—

—

15

15

20

20

ns CL = 15 pF, RL = 2 kΩ

ns

Clock

Timing Definition

tw

Clock

J, K

1.3 V

tsu

1.3 V

th

1.3 V

"H" Data

1.3 V

3V

1.3 V

0V

tsu

th

3V

"L" Data

1.3 V

0V

Rev.3.00, Jul.22.2005, page 3 of 6

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