9517A(2008) Ver la hoja de datos (PDF) - NXP Semiconductors.

Número de pieza

componentes Descripción

Lista de partido

9517A
(Rev.:2008)

Level translating I2C-bus repeater

NXP Semiconductors. 

NXP Semiconductors

10.1 AC waveforms

input

1.5 V

tPHL

output

80 %

0.6 V

20 %

tTHL

1.5 V

tPLH

3.0 V

0.1 V

0.6 V

20 %

80 %

1.2 V

tTLH

VOL

002aad642

Fig 10. Propagation delay and transition times;

port B to port A

PCA9517A

Level translating I2C-bus repeater

input

0.3VCC(A)

tPHL

output

80 %

1.5 V

20 %

tTHL

0.3VCC(A)

VCC(A)

tPLH

1.5 V

20 %

80 %

3.0 V

tTLH

002aad643

Fig 11. Propagation delay and transition times;

port A to port B

input

SDAB, SCLB

0.5 V

output

SCLA, SDAA

Fig 12. Propagation delay

tPLH

50 % if VCC(A) is less than 2 V

1.5 V if VCC(A) is greater than 2 V

002aad641

11. Test information

VCC(B)

VCC(A)VCC(B)

RL

PULSE

VI

GENERATOR

VO

DUT

RT

CL

002aab649

RL = load resistor; 1.35 kΩ on port B; 167 Ω on port A (0.9 V to 2.7 V) and 450 Ω on port A (3.0 V

to 5.5 V).

CL = load capacitance includes jig and probe capacitance; 57 pF

RT = termination resistance should be equal to Zo of pulse generators

Fig 13. Test circuit for open-drain outputs

PCA9517A_2

Product data sheet

Rev. 02 — 5 May 2008

© NXP B.V. 2008. All rights reserved.

11 of 19

Share Link: