PCA9543AD,118 NXP Semiconductors, PCA9543AD,118 Datasheet - Page 15

• Manufacturer Part Number: PCA9543AD,118
• Description: IC I2C SWITCH 2CH 14-SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9543AD,118

• Applications: 2-Channel I²C Multiplexer
• Interface: I²C, SMBus
• Voltage - Supply: 2.3 V ~ 5.5 V
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Mounting Type: Surface Mount
• For Use With: OM6285 - EVAL BOARD I2C-2002-1A568-4002 - DEMO BOARD I2C568-3615 - DEMO BOARD I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-1857-2; 935275803118; PCA9543AD-T

NXP Semiconductors
PCA9543A_43B_43C_6
Product data sheet
Fig 16. Definition of timing on the I
Fig 17. Definition of RESET timing
Fig 18. I
SDA
SCL
Rise and fall times refer to V
2
C-bus timing diagram
P
t
BUF
RESET
protocol
SDA
SCL
SCL
SDA
S
50 %
t
SU;STA
t
t
HD;STA
BUF
condition
t
LOW
START
(S)
t
HD;STA
IL
START
and V
30 %
t
REC;STA
2
t
t
t
LOW
r
HD;DAT
C-bus
t
r
IH
MSB
bit 7
(A7)
.
t
HIGH
Rev. 06 — 15 June 2009
t
t
HIGH
SU;DAT
t
f
1
/f
bit 6
(A6)
SCL
2-channel I
t
f
t
HD;DAT
t
SU;DAT
(R/W)
bit 0
2
C-bus switch with interrupt logic and reset
t
VD;DAT
acknowledge
PCA9543A/43B/43C
Sr
(A)
50 %
t
SU;STA
t
HD;STA
t
VD;ACK
ACK or read cycle
condition
t
rst
STOP
(P)
t
50 %
w(rst)L
t
SU;STO
002aab175
t
002aac549
SP
t
SU;STO
© NXP B.V. 2009. All rights reserved.
002aaa986
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