TCA4311A Datasheet, PDF (3/22 Pages) Texas Instruments – HOT SWAPPABLE 2-WIRE BUS BUFFERS

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BLOCK DIAGRAM
2-Wire Bus Buffer and Hot Swap Controller
TCA4311A
SCPS226 – JANUARY 2011
SDAIN 6
SCLIN 3
Slew Rate
Dectector
CONNECT
100 k
RCH1
100 k
RCH2
Slew Rate
Dectector
CONNECT
2 mA
Backplane-To-Card
Connection
CONNECT
ENABLE
1V
Precharge
2 mA
Backplane-To-Card
Connection
2 mA
Slew Rate
Dectector
CONNECT
100 k
RCH3
100 k
RCH4
2 mA
Slew Rate
Detector
CONNECT
8 V_CC
74 SDAOUT
2 SCLOUT
+
–
V_CC – 1 V
+
–
0.55 V_CC/
0.45 V_CC
UVLO
ENABLE ¹
+
–
95 µs
Delay,
Rising
Only
Stop Bit and Bus Idle
0.5 µA
20 pF
0.5 pF
+
–
RD
S ^QB
CONNECT
5 READY
4 GND
CONNECT
Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): TCA4311A
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