PI5C6801CQ [PERICOM]
10-Bit Bus Switch with Precharged Outputs for Live Insertion and - 2V Undershoot Protection; 10位总线开关与预充电输出进行实时插入和 - 2V下冲保护
| 型号： | PI5C6801CQ |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | 10-Bit Bus Switch with Precharged Outputs for Live Insertion and - 2V Undershoot Protection |
| 文件： | 总5页 (文件大小：340K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI5C6801C
10-Bit Bus Switch with Precharged Outputs
for Live Insertion and –2V Undershoot Protection
ProductDescription
ProductFeatures
PericomsSemiconductorsPI5Cseriesoflogiccircuitsareproduced
using the Companys advanced submicron CMOS technology,
achieving industry leading performance.
R is 5 Ohm typical
ON
Undershoot protection on A-port only
IndustrialOperationTemperature:40ºCto+85ºC
Near Zero propagation delay
The PI5C6801C is a 10-bit bus switch with low on-state resistance.
The bus switch creates no additional propagation delay. The device
alsoprechargestheBporttoauser-selectablebiasvoltage(BIASV)
tominimizelive-insertionnoise.
V OperatingRange:+4.0Vto+5.5V
CC
Outputs are pre-charged by bias voltage to minimize
signal distortion during live insertion
The switch is turned on by a single enable (ON) input. When ON is
LOW, theswitchisonandportAisconnnectedtoportB. WhenON
isHIGH,theswitchbetweenportAandportBisopenandtheBport
is precharged to BIASV through the equivalent of a 10-kΩ resistor.
Packages options:
-24-pin150mil-wideplasticQSOP(Q)
-24-pin173mil-wideplasticTSSOP(L)
ProductPinConfiguration
LogicDiagram
24-Pin
L,Q
Truth Table(1)
Function
Connect
Precharge
ON
L
B1 - B10
A1 - A10
BIASV
H
Notes:
1. H = High Voltage Level
L = Low Voltage Level
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PI5C6801C
10-BitBusSwitchwithPrechargedOutputs
forLiveInsertionand-2VUndershootProtection
AbsoluteMaximumRatingsOverFree-AirTemperatureRange*
(Above which the useful life may be impaired. For user guidelines, not tested.)
Note:
Storage Temperature ............................................................ 65°Cto+150°C
Supply Voltage Range ................................................................ 0.5Vto+7V
StressesgreaterthanthoselistedunderMAXIMUM
RATINGS may cause permanent damage to the de-
vice. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational sec-
tionsofthisspecificationisnotimplied. Exposureto
absolute maximum rating conditions for extended
periodsmayaffectreliability.
(1)
DC Input Voltage .................................................................................... 0.5Vto+7V
InputClampCurrent,I (V <0) .......................................................... 50mA
IK
1
DC Output Current .............................................................................. 120mA
(2)
Power Dissipation .................................................................................................. 0.5W
Notes:
1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 750 mils.
RecommendedOperatingConditions
Parameter
VCC
Description
Min.
4
Max.
5.5
Units
Supply voltage
Supply voltage
BIASV
VIH
1.3
2
VCC
V
High-Level input voltage
Low-level input voltage
VIL
0.8
TA
Operating free-air temperature
40
85
°C
Electrical Characteristics (Over Recommended Operating Free-air Temperature Range)
Parameter Test Conditions
I = 18mA
=
Min.
Typ
Max. Units
V
IK
V
CC
= 4.5V
= 5.5V
= 4.5V
= 5.5V
= 5.5V
1.8
±5
V
I
I
I
V
CC
V = 5.5V or GND
I
µA
mA
µA
mA
I
O
V
CC
BIASV = 2.4V
V = 0V
O
0.20
I
CC
V
CC
I
O
= 0A
V = V or GND
100
2.5
I
CC
E
∆I
CC
Control pins
V
CC
One input at 3.4V Other at V or GND
CC
C
Control pins V = 3V or 0V
3.5
4.5
9
I
I
pF
C (OFF)
V = 3V or 0V
O
Switch Off
O
V
CC
= 4V
V = 2.4V
I
I = 15mA
28
8
I
R
*
ON
V = 0V
I
I = 64mA
I
5.5
5
Ω
V
CC
= 4.5V
V = 0V
I
I = 30mA
I
8
V = 2.4V
I
I = 15mA
I
9
16
Notes:
* Measured by the voltage drop between the A and B terminals at the indicated current through the switch.
On-state resistance is determined by the lower of the voltages of the two (A or B) terminals.
E This is the increase in supply current for each input that is at the specified TTL voltage level rather the V or GND.
CC
= All typical values are at V = 5V, T = 25°C.
CC
A
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PI5C6801C
10-BitBusSwitchwithPrechargedOutputs
forLiveInsertionand-2VUndershootProtection
SwitchingCharacteristics(OverRecommendedOperatingFree-airTemperatureRange,C =50pF)
L
V
= 5V ± 0.5V
V
= 4V
CC
CC
(1)
Parameter
Test Conditions
From (Input)
A or B
To (Output)
B or A
Units
Min.
Max.
0.25
30
Min.
Max.
t
pd
0.25
36
t
BIASV = GND
BIASV = 3V
BIASV = GND
BIASV = 3V
20
20
20
20
22
22
22
22
PZH
ON
A or B
t
30
36
ns
PZL
t
30
36
PHZ
ON
A or B
t
30
36
PLZ
Notes:
1. This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical
on-state resistance of the switch and a load capacitance of 50pF, when driven by an ideal voltage source (zero output impedance).
Parameter Measurements
7V
Test
tpd
S1
S1
Open
GND
From Output
Under Test
Open
7V
tPLZ/tPZL
tPHZ/tPZH
CL = 50pF
(See note 1)
Open
3V
Output
Control
(Low Level
Enabling)
LOAD CIRCUIT
1.5V
1.5V
0V
tPZL
tPLZ
tPHZ
3V
0V
Output
Waveform 1
S1 at 6V
1.5V
3.5V
1.5V
Input
1.5V
VOL +0.3V
tPLH
t
PHL
VOL
VOH
(see Note 2)
tPZH
VOH
Output
Waveform 2
S1 at Open
(see Note 2)
1.5V
1.5V
Output
1.5V
VOH -0.3V
VOL
0V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Notes:
1. C includes probe and jig capacitance.
L
2. Waveform 1 is for an output with internal conditions such that the output is LOW except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is HIGH except when disabled by the output control.
3. All input pulses are supplied by generators having the following characteristics: PRR<10MHz, Z = 50Ω, t ≤ 2.5ns, t ≤ 2.5ns.
O
r
f
4. The outputs are measured one at a time with one transition per measurement.
5. t
6. t
7. t
and t
and t
and t
are the same as t .
dis
PLZ
PZL
PLH
PHZ
are the same as t .
PZH
en
are the same as t .
pd
PHL
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PI5C6801C
10-BitBusSwitchwithPrechargedOutputs
forLiveInsertionand-2VUndershootProtection
24-pinQSOP(Q)
24
.150
.157
3.81
3.99
.015 x 45˚
0.38
1
0.178
0.254
.007
.010
.337 8.56
.344 8.74
.016 0.406
.050 1.27
.033
0.84
.053 1.35
.069 1.75
.228
.244
5.79
6.20
SEATING
PLANE
0.101
0.254
.004
.010
.025
typical
0.203
0.305
.008
.012
0.635
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
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PI5C6801C
10-BitBusSwitchwithPrechargedOutputs
forLiveInsertionand-2VUndershootProtection
24-pinTSSOP(L)
24
.169
.177
4.3
4.5
1
.303
.311
7.7
7.9
0.09
0.20
.004
.008
.047
1.20
Max
0.45 .018
0.75 .030
SEATING
PLANE
.252
BSC
6.4
.002
.006
0.05
0.15
.007
.012
0.19
0.30
.0256
BSC
0.65
X.XX DENOTES CONTROLLING
X.XX DIMENSIONS IN MILLIMETERS
OrderingInformation
Part
Pin
Package
Width
PI5C6801CQ
PI5C6801CL
24
QSOP (Q)
150-mil
173-mil
24 TSSOP (L)
ApplicationsInformation
LogicInputs
The logic control inputs can be driven up to +5.5V regardless of
the supply voltage. For example, given a +5.0V supply, IN may
be driven low to 0V and high to 5.5V. Driving IN Rail-to-Rail®
minimizespowerconsumption.
Power-SupplySequencing
Proper power-supply sequencing is recommended for all CMOS
devices. Always apply V before applying V
and signals to
CC
BIAS
the input/output or control pins.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
PericomSemiconductorCorporation
2380BeringDrive • SanJose, CA95131•1-800-435-2336 • Fax(408)435-1100• http://www.pericom.com
PS8374B
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