HD74HC259P Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Lista de partido

HD74HC259P

8-bit Addressable Latch

Renesas Electronics 

HD74HC259

Waveforms

• Waveform – 1

tf

tr

90%

90%

Enable G

10%

10%

tf

tr

Clear

90%

50%

10%

10%

tw (Clear)

tPHL

90%

50%

Addressed

Output Q

90%

50%

10%

tTHL

Notes : 1. Input pulse : PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

2. D = VCC , Unaddressed Q = L

VCC

0V

VCC

0V

VOH

VOL

• Waveform – 2

Data

tr

tf

10%

90%

50%

90%

50%

10%

tPLH

tPHL

Output Q

50%

10%

90%

90%

50%

10%

tTLH

tTHL

Notes : 1. Input pulse : PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

2. Other input : G = GND, Clear = Vcc, A to C = Address

VCC

0V

VOH

VOL

Rev.2.00 Jan 31, 2006 page 5 of 9

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