PCA9511A Просмотр технического описания (PDF) - Philips Electronics
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PCA9511A Datasheet PDF : 23 Pages
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Philips Semiconductors
PCA9511A
Hot swappable I2C-bus and SMBus bus buffer
VCC
Rdrop
R1
R4
10 kΩ 10 kΩ
SDA
SCL
VCC_LOW
C2
0.01 µF
R2
1 kΩ
R3
1 kΩ
R5
10 kΩ
VCC
ENABLE SDAOUT
SDAIN
SCLOUT
SCLIN
READY
GND
SDA2
SCL2
002aab587
VCC > VCC_LOW
Rdrop is the line loss of VCC in the backplane.
Fig 10. System with disparate VCC voltages
9. Application design-in information
VCC
(2.7 V to 5.5 V)
R1
10 kΩ
SCLIN
R2
10 kΩ 8
3
C1
0.01 µF R5
10 kΩ
R3
10 kΩ
2
R4
10 kΩ
SCLOUT
SDAIN
6
7
SDAOUT
ENABLE
Fig 11. Typical application
1 ENABLE
READY 5
GND
4
002aab579
10. Limiting values
9397 750 13269
Product data sheet
Table 4: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
VCC
supply voltage
Vn
voltage on SDAIN, SCLIN, SDAOUT,
SCLOUT, READY, ENABLE
[1] −0.5
[1] −0.5
Toper
operating temperature
−40
Tstg
storage temperature
−65
Tsp
solder point temperature
10 s max.
-
Tj(max) maximum junction temperature
-
[1] Voltages with respect to pin GND.
Max
Unit
+7
V
+7
V
+85
°C
+150
°C
+300
°C
+125
°C
Rev. 01 — 15 August 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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