參數(shù)資料
型號： PCA9514A
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)： 15/25頁
文件大?。?/td> 142K
代理商： PCA9514A
PCA9513A_PCA9514A_1
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 11 October 2005
15 of 25
Philips Semiconductors
PCA9513A; PCA9514A
Hot swappable I
2
C-bus and SMBus bus buffer
[1]
This specification applies over the full operating temperature range.
[2]
The enable time can slow considerably for some parts when temperature is <
20
°
C.
[3]
Delays that can occur after ENABLE and/or idle times have passed.
C
o(READY)
output capacitance on pin
READY
LOW-state output voltage
on pin READY
V
I
= V
CC
or GND
[4]
-
2.5
4.0
pF
V
OL(READY)
I
pu
= 3 mA;
V
ENABLE
= V
CC
[1]
-
0.04
0.4
V
Rise time accelerators
I
trt(pu)
transient boosted pull-up
current
positive transition on
SDA, SCL; V
CC
= 2.7 V;
slew rate = 1.25 V/
μ
s
[5]
1
2
-
mA
Input-output connection
V
offset
offset voltage
10 k
to V
CC
on SDA,
SCL; V
CC
= 3.3 V
10 k
to V
CC
;
C
L
= 100 pF each side
[1] [6]
[8]
0
118
175
mV
t
PLH
LOW-to-HIGH propagation
delay (SCL to SCL and
SDA to SDA)
HIGH-to-LOW propagation
delay (SCL to SCL and
SDA to SDA)
SCL and SDA input
capacitance
LOW-state output voltage
-
20
-
ns
t
PHL
10 k
to V
CC
;
C
L
= 100 pF each side
-
80
-
ns
C
i(SCL/SDA)
[4]
-
6
8
pF
V
OL
V
I
= 0 V; SDAn, SCLn
pins; I
sink
= 3 mA;
V
CC
= 2.7 V
V
ENABLE
= V
CC
;
PCA9513A only
V
ENABLE
= V
CC
;
PCA9513A only
SDAn, SCLn pins;
V
CC
= 5.5 V
[1]
0
0.3
0.4
V
I
PU(SCLIN)
pull-up current on pin
SCLIN
pull-up current on pin
SDAIN
input leakage current
[8]
65
112
150
μ
A
I
PU(SDAIN)
[8]
65
112
150
μ
A
I
LI
1
-
+1
μ
A
System characteristics
f
SCL
t
BUF
SCL clock frequency
bus free time between
STOP and START condition
START condition hold time
START condition set-up
time
STOP condition set-up time
data hold time
data set-up time
SCL LOW time
SCL HIGH time
fall time SDA and SCL
rise time SDA and SCL
[4]
0
-
-
400
-
kHz
μ
s
[4]
1.3
t
HD;STA
t
SU;STA
[4]
0.6
-
-
-
-
μ
s
μ
s
[4]
0.6
t
SU;STO
t
HD;DAT
t
SU;DAT
t
LOW
t
HIGH
t
f
t
r
[4]
0.6
-
-
-
-
-
-
-
-
-
-
-
-
300
300
μ
s
ns
ns
μ
s
μ
s
ns
ns
[4]
300
[4]
100
[4]
1.3
[4]
0.6
[4] [7]
20 + 0.1
×
C
b
[4] [7]
20 + 0.1
×
C
b
Table 5:
V
CC
= 2.7 V to 5.5 V; T
amb
=
40
°
C to +85
°
C; unless otherwise specified.
Symbol
Parameter
Characteristics
…continued
Conditions
Min
Typ
Max
Unit
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PCA9514AD 制造商:NXP Semiconductors 功能描述:
PCA9514AD,112 功能描述:緩沖器和線路驅(qū)動(dòng)器 HOT SWAP I2C/SMBUS BUS BUFFER RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
PCA9514AD,118 功能描述:緩沖器和線路驅(qū)動(dòng)器 HOT SWAP I2C/SMBUS RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
PCA9514ADP 制造商:NXP Semiconductors 功能描述:IC BUFFER I2C/SMBUS 8TSSOP 制造商:NXP Semiconductors 功能描述:IC, BUFFER, I2C/SMBUS, 8TSSOP 制造商:NXP Semiconductors 功能描述:IC, BUFFER, I2C/SMBUS, 8TSSOP; Logic Device Type:Bidirectional; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Logic Case Style:TSSOP; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 2 - 1 ;RoHS Compliant: Yes
PCA9514ADP,118 功能描述:緩沖器和線路驅(qū)動(dòng)器 HOT SWAP I2C/SMBUS RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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