PI5C3401QEX [PERICOM]
Bus Exchanger, CBT/FST/QS/5C/B Series, 1-Func, 6-Bit, True Output, CMOS, PDSO24, 0.150 INCH, GREEN, PLASTIC, QSOP-24;
| 型号： | PI5C3401QEX |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | Bus Exchanger, CBT/FST/QS/5C/B Series, 1-Func, 6-Bit, True Output, CMOS, PDSO24, 0.150 INCH, GREEN, PLASTIC, QSOP-24 开关 |
| 文件： | 总5页 (文件大小：352K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI5C3401
6-Bit, 3-Port Bus Exchange Switch
Features:
Description:
• Zero propagation delay
PericomSemiconductor’sPI5C3401isa6-bit,3-portbusexchange
switchdesignedwithalowOn-Resistance(5Ω)allowinginputstobe
connected directly to outputs. The bus switch creates no additional
propagation delay or additional ground bounce noise. The switches
are turned OFF by S0 = H and S1 = H. The A bus can be connected
to B bus by S0 =L and S1 = L. The B bus can be connected to C
bus by S0 = H and S1=L. The C bus can be connected to A bus by
S0 = L and S1 = H.
• 5Ω switches connect inputs to outputs
•
•
Direct bus connection when switches are ON
Ultra Low Quiescent Power (0.2µA Typical)
– Ideally suited for notebook applications
• Packaging (Pb-free & Green available):
24-pin 150-mil wide plastic QSOP (Q)
24-pin 300-mil wide plastic SOIC (S)
Block Diagram
Pin Configuration
B0
A0
C0
B5
A5
C5
S0
DECODER
S1
Pin Description
Pin Name
Description
S0, S1
Bus Direction
Bus A
(1)
Truth Table
A0–5
B0–5
C0–5
NC
Function
S0
H
L
S1 A0–5 B0–5
C0–5
Hi-Z
Hi-Z
B0–5
A0–5
Bus B
Disconnect
H
L
L
H
Hi-Z Hi-Z
B0–5 A0–5
Hi-Z C0–5
C0–5 Hi-Z
Bus C
Connect A-B
Connect B-C
Connect C-A
No Connect
Ground
Power
H
L
GND
VCC
Note:
1. H = High Voltage Level, L = Low Voltage Level,
Hi-Z = High Impedance
PS7020D
09/16/04
1
PI5C3401
6-Bit, 3-Port Bus Exchange Switch
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ..........................................................–65°C to +150°C
Ambient Temperature with Power Applied .........................–40°C to +85°C
Supply Voltage to Ground Potential .....................................–0.5V to +7.0V
DC Input Voltage ..................................................................–0.5V to +7.0V
DC Output Current............................................................................120 mA
Power Dissipation.................................................................................0.5W
Note:
Stresses greater than those listed under MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at
these or any other conditions above those indicated in the
operational sections of this specification is not implied. Ex-
posure to absolute maximum rating conditions for extended
periods may affect reliability.
DC Electrical Characteristics (Over the Operating Range, T = –40°C to +85°C, V = 5V ±5%)
A
CC
(1)
(2)
Parameters
Description
Input HIGH Voltage
Test Conditions
Min.
2.0
Typ
Max.
Units
V
V
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
IH
IL
V
Input LOW Voltage
–0.5
0.8
±1
I
I
I
Input HIGH Current
V
V
= Max., V = V
IN CC
IH
CC
CC
Input LOW Current
= Max., V = GND
±1
µA
IL
IN
CC
High Impedance Output Current
Clamp Diode Voltage
0 ≤ A, B ≤ V
= Min., I = –18 mA
±1
OZH
V
V
–0.7
–1.2
V
IK
CC
IN
(3)
I
Short Circuit Current
A (B) = 0V, B (A) = V
100
mA
mV
OS
CC
V
Input Hysteresis at Control Pins
150
5
H
V
V
= Min., V = 0.0V, I = 48mA
7
CC
CC
IN
ON
(4)
R
Switch On-Resistance
Ω
ON
= Min., V = 2.4V, I = 15mA
10
15
IN
ON
Capacitance (TA = 25°C, f = 1 MHz)
(5)
Parameters
Description
Test Conditions
Typ.
Max.
Units
C
C
C
Input Capacitance
6
6
8
IN
A/B Capacitance, Switch Off
A/B Capacitance, Switch On
V
= 0V
IN
pF
OFF
ON
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 5.0V, TA = 25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
4. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined by the lower of the
voltages on the two (A,B) pins.
5. This parameter is determined by device characterization but is not production tested.
PS7020D
09/16/04
2
PI5C3401
6-Bit, 3-Port Bus Exchange Switch
Power Supply Characteristics
(1)
(2)
Parameters
Description
Min.
Max.
Units
Test Conditions
Typ
Quiescent Power
Supply Current
VIN = GND or
VCC
ICC
VCC = Max.
0.1
3.0
µA
Supply Current per
Input @ TTL HIGH
(3)
ΔICC
VCC = Max.
VCC = Max.,
2.5
mA
VIN = 3.4V
A and B Pins Open
BE = GND
Control Input Toggling
50% Duty Cycle
Supply Current per
Input per MHz
mA/
MHz
ICCD
0.25
(4)
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. Per TTL driven input (VIN = 3.4V, control inputs only); A and B pins do not contribute to ICC
.
4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The
A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design.
Switching Characteristics over Operating Range
Com.
(1)
Parameters
Description
Conditions
Unit
Min.
Max.
(2,3)
Propagation Delay
t
t
PLH
PHL
Ax to Bx, Bx to Cx
or Cx to Ax
0.25
C = 50pF
R = 500Ω
L
ns
L
Bus Direction Time
SX to Ax or Bx or Cx
t
1.5
6.5
S
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the load capacitance. The
time constant for the switch alone is of the order of 0.25 ns for 50 pF load. Since this time constant is much smaller than the rise/fall times of
typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is
determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
PS7020D
09/16/04
3
PI5C3401
6-Bit, 3-Port Bus Exchange Switch
Packaging Mechanical: 24-pin QSOP (Q)
24
.008
0.20
MIN.
.008
.013
0.20
0.33
.150
.157
3.81
3.99
Guage Plane
0˚-6˚
.010
.016
.035
0.41
0.89
0.254
Detail A
1
.041
1.04
REF
.337 8.56
.344 8.74
.015 x 45˚
0.38
.033
0.84
.053 1.35
.069 1.75
Detail A
0.178
0.254
.007
.010
SEATING
PLANE
.016 0.406
.050 1.27
0.101
0.254
.004
.010
.025
typical
.228
.244
0.203
0.305
.008
.012
0.635
5.79
6.20
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
Packaging Mechanical: 24-pin SOIC (S)
24
7.40
7.60
.2914
.2992
0.254
0.737
.010
.029
x 45˚
1
0.23
0.32
.0091
.0125
0-8˚
.5985
.6141
15.20
15.60
0.41
1.27
.016
.050
0.533
0.787
.021
.031
2.35
2.65
.0926
.1043
.394
.419
10.00
10.65
SEATING
PLANE
0.10
0.30
.0040
.0118
.050
BSC
.013
.020
0.33
0.51
1.27
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
PS7020D
09/16/04
4
PI5C3401
6-Bit, 3-Port Bus Exchange Switch
Ordering Information
Ordering Code
PI5C3401S
Package Code
Package Description
S
S
24-pin SOIC
PI5C3401SE
Pb-free & Green, 24-pin SOIC
24-pin QSOP
PI5C3401Q
Q
Q
PI5C3401QE
Pb-free & Green, 24-pin QSOP
Notes:
1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com
PS7020D
09/16/04
5
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