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PCA9600DPZ 데이터시트(PDF) 13 Page - NXP Semiconductors

부품명 PCA9600DPZ
상세설명  Dual bidirectional bus buffer
PDF  32 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9600DPZ 데이터시트(HTML) 13 Page - NXP Semiconductors

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NXP Semiconductors
PCA9600
Dual bidirectional bus buffer
PCA9600
SCL
RX
TX
002aac851
SX
VCC
TY
RY
SY
R2
R2
C2
C2
I2C-BUS
MASTER
SDA
VCC1
GND
R1 R1
BAT54A
cable
propagation
delay ≈ 5 ns/m
BAT54A
R1 R1
PCA9600
RX
TX
TY
RY
VCC
SX
SY
R2
R2
SCL
SDA
VCC2
GND
I2C-BUS
SLAVE(S)
C2
C2
+V cable drive
Figure 14. Driving ribbon or flat telephone cables
Refer to Figure 14.
Set master
nominal SCL
VCC1
(V)
+V
cable
(V)
VCC2
(V)
R1
(Ω)
R2
(kΩ)
C2
(pF)
Cable
length
(m)
Cable
capacitance
Cable
delay
HIGH
period
(ns)
LOW
period
(ns)
Effective
bus
clock
speed
(kHz)
Max. slave
response
delay
5
12
5
750 2.2
400 250
n/a (delay
based)
1.25 μs 600
3 850
125
normal
specification
400 kHz parts
5
12
5
750 2.2
220 100
n/a (delay
based)
500 ns
600
2 450
195
normal
specification
400 kHz parts
3.3
5
3.3
330 1
220 25
1 nF
125 ns
260
770
620
meets Fm+
specification
3.3
5
3.3
330 1
100 3
120 pF
15 ns
260
720
690
meets Fm+
specification
Table 7. Examples of bus capability
For more examples of faster alternatives for driving over longer cables such as Cat5
communication cable, see AN10658. Communication at 1 MHz is possible over short
cables and > 400 kHz is possible over 50 m of cable.
PCA9600
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 6.1 — 20 December 2021
13 / 32



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