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參數(shù)資料
| 型號： | PCA9511A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Hot swappable I2C-bus and SMBus bus buffer |
| 中文描述： | 熱插拔I2C總線和SMBus總線緩沖器 |
| 文件頁數(shù)： | 12/23頁 |
| 文件大小： | 144K |
| 代理商： | PCA9511A |
9397 750 13269
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 15 August 2005
12 of 23
Philips Semiconductors
PCA9511A
Hot swappable I
2
C-bus and SMBus bus buffer
11. Characteristics
Table 5:
V
CC
= 2.7 V to 5.5 V; T
amb
=
40
°
C to +85 V; unless otherwise specified.
Symbol
Parameter
Power supply
V
CC
supply voltage
I
CC
supply current
Characteristics
Conditions
Min
Typ
Max
Unit
[1]
2.7
-
3.5
5.5
6
V
mA
V
CC
= 5.5 V;
V
SDAIN
= V
SCLIN
= 0 V
V
ENABLE
= 0 V; all other pins at
V
CC
or GND
[1]
-
I
CC(sd)
Shut-down mode supply
current
-
0.1
-
μ
A
Start-up circuitry
V
pch
V
IH(ENABLE)
HIGH-state input voltage
on pin ENABLE
V
IL(ENABLE)
LOW-state input voltage
on pin ENABLE
I
I(ENABLE)
input current on pin
ENABLE
t
en
enable time
t
idle(READY)
bus idle time to READY
active
t
dis(EN-RDY)
disable time (ENABLE to
READY)
t
stp(READY)
SDAIN to READY delay
after STOP
t
READY
SCLOUT/SDAOUT to
READY
I
LZ(READY)
off-state leakage current
on pin READY
C
i(ENABLE)
input capacitance on pin
ENABLE
C
o(READY)
output capacitance on
pin READY
V
OL(READY)
LOW-state output
voltage on pin READY
Rise time accelerators
I
trt(pu)
transient boosted pull-up
current
precharge voltage
SDA, SCL floating
[1]
0.8
1.1
0.5
×
V
CC
0.7
×
V
CC
V
1.2
V
-
0.3
×
V
CC
0.5
×
V
CC
-
V
V
ENABLE
= 0 V to V
CC
-
±
0.1
±
1
μ
A
[2]
-
110
105
-
200
μ
s
μ
s
[1]
50
-
30
-
ns
[3]
-
1.2
-
μ
s
[3]
-
0.8
-
μ
s
V
ENABLE
= V
CC
-
±
0.3
-
μ
A
V
I
= V
CC
or GND
[4]
-
1.9
4.0
pF
V
I
= V
CC
or GND
[4]
-
2.5
4.0
pF
I
pu
= 3 mA; V
ENABLE
= V
CC
[1]
-
-
0.4
V
positive transition on SDA, SCL;
V
CC
= 2.7 V;
slew rate = 1.25 V/
μ
s
[5]
1
2
-
mA
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