PCA9525DP 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCA9525DP

Simple 2-wire bus buffer

NXP Semiconductors. 

NXP Semiconductors

PCA9525

Simple 2-wire bus buffer

Table 4. Characteristics …continued

Tamb = −40 °C to +85 °C; voltages are specified with respect to ground (VSS); VDD = 5.5 V unless otherwise specified.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

Enable (EN)

Vth(en)

enable threshold voltage

Vth(dis)

disable threshold voltage

Vhys

hysteresis voltage

ILI

input leakage current

Direction (DIR)

EN active; VDD = 2.7 V

EN active; VDD = 5.5 V

EN standby; VDD = 2.7 V

EN standby; VDD = 5.5 V

VDD = 2.7 V

VDD = 5.5 V

VI = VDD

2.0

-

4.8

-

-

-

-

-

100

-

200

-

-

-

-

V

-

V

0.9

V

2.1

V

-

mV

-

mV

±0.1

μA

VI(dir)

direction input voltage

direction SCL_OUT to SCL_IN

VDD = 2.7 V

2.0

-

-

V

VDD = 5.5 V

4.8

-

-

V

direction SCL_IN to SCL_OUT

Vhys

hysteresis voltage

ILI

input leakage current

Timing characteristics (Figure 4)

VDD = 2.7 V

VDD = 5.5 V

VDD = 2.7 V

VDD = 5.5 V

VI = VDD

-

-

-

-

100

-

200

-

-

-

0.9

V

2.1

V

-

mV

-

mV

±0.1

μA

td

delay time

tf

fall time

RPU = 620 Ω

RPU = 620 Ω

[1] -

17

-

ns

[1] -

3.5

-

ns

[1] Guaranteed by design, not subject to test.

[2] Supply voltage dependent; refer to graphs (Figure 5 through Figure 8) for typical trend.

VI2C-bus

Fig 4. Timing diagram

70 % VDD

30 % VDD

30 % VDD

td

tf

Sxx_IN

Sxx_OUT

time

002aaf332

PCA9525

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 1 — 25 February 2011

© NXP B.V. 2011. All rights reserved.

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