NXP Semiconductors

PCA9306

Dual bidirectional I2C-bus and SMBus voltage-level translator

Tamb = -40 °C to +105 °C, unless otherwise specified. Values guaranteed by design.

CL = 50 pF

CL = 30 pF

CL = 15 pF

Symbol Parameter

Conditions

Min

Max

Min

Max

Min

Max

Unit

tPLH

LOW to HIGH

propagation delay

from (input) SCL2 or SDA2

to (output) SCL1 or SDA1

0

2.0

0

1.2

0

0.6

ns

tPHL

HIGH to LOW

propagation delay

from (input) SCL2 or SDA2

to (output) SCL1 or SDA1

0

2.5

0

1.5

0

0.75 ns

Table 8. Dynamic characteristics (translating down)...continued

Tamb = -40 °C to +105 °C, unless otherwise specified. Values guaranteed by design.

CL = 50 pF

CL = 30 pF

CL = 15 pF

Symbol Parameter

Conditions

Min

Max

Min

Max

Min

Max

Unit

VI(EN) = 3.3 V; VIH = 2.3 V; VIL = 0 V; VTT = 3.3 V; VM = 1.15 V; RL = 300 Ω (see Figure 8)

tPLH

LOW to HIGH

propagation delay

from (input) SCL1 or SDA1

to (output) SCL2 or SDA2

0

1.75

0

1.0

0

0.5

ns

tPHL

HIGH to LOW

propagation delay

from (input) SCL1 or SDA1

to (output) SCL2 or SDA2

0

2.75

0

1.65

0

0.8

ns

VI(EN) = 2.5 V; VIH = 1.5 V; VIL = 0 V; VTT = 2.5 V; VM = 0.75 V; RL = 300 Ω (see Figure 8)

tPLH

LOW to HIGH

propagation delay

from (input) SCL1 or SDA1

to (output) SCL2 or SDA2

0

1.75

0

1.0

0

0.5

ns

tPHL

HIGH to LOW

propagation delay

from (input) SCL1 or SDA1

to (output) SCL2 or SDA2

0

3.3

0

2.0

0

1.0

ns

Table 9. Dynamic characteristics (translating up)

002aab845

VTT

RL

S1

S2 (open)

CL

from output under test

a. Load circuit

002aab846

VIH

VIL

VM

VM

input

output

VOH

VOL

VM

VM

b. Timing diagram

S1 = translating up; S2 = translating down.

CL includes probe and jig capacitance.

All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz; Zo = 50 Ω; tr ≤ 2 ns; tf ≤ 2

ns.

The outputs are measured one at a time, with one transition per measurement.

Figure 8. Load circuit for outputs

PCA9306

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Product data sheet

Rev. 9.3 — 14 November 2022

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