PCA9515DP datasheet(8/16 Pages) NXP

8 / 16 page

PCA9515_9

Product data sheet

Rev. 09 — 23 April 2009

8 of 16

NXP Semiconductors

PCA9515

I2C-bus repeater

10. Dynamic characteristics

[1]

The tTLH transition time is speciﬁed with loads of 1.35 kΩ pull-up resistance and 7 pF load capacitance, plus an additional 50 pF load

capacitance. Different load resistance and capacitance will alter the RC time constant, thereby changing the propagation delay and

transition times.

11. Test information

Table 6.

Dynamic characteristics

VCC =3.0 V to 3.6 V; GND=0V; Tamb = −40 °C to +85 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tPHL

HIGH to LOW propagation delay

Figure 7

170

tPLH

LOW to HIGH propagation delay

Figure 7

tTHL

HIGH to LOW output transition time

Figure 7

-67

tTLH

LOW to HIGH output transition time

Figure 7

[1] -

135

tsu

set-up time

EN to START condition

100

hold time

EN after STOP condition

100

Fig 7.

Propagation delay and transition times

002aad478

3.3 V

tPLH

tTHL

1.5 V

input

output

20 %

1.5 V

80 %

20 %

80 %

tPHL

tTLH

VOL

0.1 V

RL = load resistor; 1.35 kΩ.

CL = load capacitance includes jig and probe capacitance; 7 pF.

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

Fig 8.

Test circuit for open-drain outputs

PULSE

GENERATOR

002aad479

VCC

DUT

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