HD74LS123RPEL Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Lista de partido

HD74LS123RPEL

Dual Retriggerable Monostable Multivibrators (with Clear)

Renesas Electronics 

HD74LS123

Testing Method

Test Circuit

A1 Input

P.G.

Zout = 50Ω

B1 Input

P.G.

Zout = 50Ω

CLR Input

P.G.

Zout = 50Ω

VCC Output Q

Rext

Cext /Cext

Cext Rext VCC

/Cext

Q

CL

RL Load circuit 1

CLR

Output Q

Q

Same as Load Circuit 1.

Notes: 1. CL includes probe and jig capacitance.

2. All diodes are 1S2074(H).

Waveform

tw (in)

≥ 40ns

3V

A

1.3V 1.3V

1.3V

tw (in)

≥ 40ns

B

0V

tw (in)

3V

≥ 40ns

1.3V 1.3V

1.3V

tw (in)

0V

≥ 40ns

tw (CLR)

≥ 40ns

3V

Clear

1.3V

1.3V

0V

tPLH

tPLH

VOH

Q

1.3V

1.3V

1.3V

1.3V

tPHL

tw (out)

VOL

tPLH

Q

1.3V

1.3V

tPHL

Note: Input pulse; tTLH ≤ 15 ns, tTHL ≤ 6 ns.

tw (out)

1.3V

tPHL

1.3V

VOH

VOL

Rev.2.00, Feb.18.2005, page 6 of 8

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