74LVC245A(2004) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Lista de partido

74LVC245A
(Rev.:2004)

LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER (NOT INVERTED) HIGH PERFORMANCE

STMicroelectronics 

Figure 3: Test Circuit

74LVC245A

RT = ZOUT of pulse generator (typically 50Ω)

Table 10: Test Circuit And Waveform Symbol Value

Symbol

CL

RL = R1

VS

VIH

VM

VOH

VX

VY

tr = tr

1.65 to 1.95V

30pF

1000Ω

2 x VCC

VCC

VCC/2

VCC

VOL + 0.15V

VOH - 0.15V

<2.0ns

VCC

2.3 to 2.7V

30pF

500Ω

2 x VCC

VCC

VCC/2

VCC

VOL + 0.15V

VOH - 0.15V

<2.0ns

2.7V

50pF

500Ω

6V

2.7V

1.5V

3.0V

VOL + 0.3V

VOH - 0.3V

<2.5ns

Figure 4: Waveform - Propagation Delays (f=1MHz; 50% duty cycle)

3.0 to 3.6V

50pF

500Ω

6V

2.7V

1.5V

3.0V

VOL + 0.3V

VOH - 0.3V

<2.5ns

5/12

Share Link: