HD74LV123ATELL 查看數據表（PDF） - Renesas Electronics

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HD74LV123ATELL

Dual Retriggerable Monostable Multivibrators

Renesas Electronics 

HD74LV123A

Switching Characteristics (cont)

Item

Propagation

delay time

Output pulse

width

Symbol

tPLH

tPHL

twQ

Ta = 25°C

Min Typ

— 7.3

— 8.5

— 5.9

— 7.5

— 7.3

— 8.7

— 140

90 100

Ta = –40 to 85°C

Max Min

Max

12.0 1.0

14.0

14.0 1.0

16.0

9.4 1.0

11.0

11.4 1.0

13.0

12.9 1.0

15.0

14.9 1.0

17.0

200 —

240

110 90

110

0.9 1.0 1.1 0.9

1.1

∆twQ

— ±1 — —

—

Pulse width

tw

5.0 — — 5.0

—

Retrigger time trr

— 20 — —

—

— 0.95 — —

—

Test

Unit Conditions

VCC = 5.0 ± 0.5 V

FROM TO

(Input) (Output)

ns CL = 15 pF

A or B Q or Q

CL = 50 pF

CL = 15 pF

CLR

Q or Q

CL = 50 pF

CL = 15 pF

CLR

Q or Q

CL = 50 pF

(Trigger)

ns CL = 50 pF, Cext = 28 pF, Rext = 2 kΩ

µs CL = 50 pF,

Cext = 0.01 µF, Rext = 10 kΩ

ms CL = 50 pF,

Cext = 0.1 µF, Rext = 10 kΩ

% CL = 50 pF

ns A, B or CLR

ns A, or B

(Rext = 1 kΩ, Cext = 100 pF)

µs A, or B

(Rext = 1 kΩ, Cext = 0.01 µF)

Operating Characteristics

Item

Symbol

Power dissipation capacitance CPD

VCC (V)

3.3

5.0

Ta = 25°C

Min

Typ

—

74.0

—

86.0

Max

—

—

CL = 50 pF

Unit Test Conditions

pF

f = 10 MHz

Test Circuit

VCC

Input

Refer

to

Func-

tion

Table

VCC

Cext

−+

Rext

Cext = 28 pF or 100 pF or 0.01 µF or 0.1 µF

Rext = 1 kΩ or 2 kΩ or 10 kΩ

Cext Rext/ VCC

Cext

A

Q

B

Output

CL = 15 pF or 50 pF

Q

CLR

GND

Output

CL = 15 pF or 50 pF

Note : CL includes the probe and jig capacitance.

Rev.6.00 Jun. 02, 2004 page 7 of 15

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