PI3B16224 [PERICOM]
3.3V, 12-Bit to 24-Bit DeMux/Mux NanoSwitch; 3.3V ， 12位到24位解复用/复用NanoSwitch
| 型号： | PI3B16224 |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | 3.3V, 12-Bit to 24-Bit DeMux/Mux NanoSwitch |
| 文件： | 总3页 (文件大小：68K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI3B16224
3.3V, 12-Bit to 24-Bit
DeMux/Mux NanoSwitch™
Description
Features
PericomSemiconductor’sPI3B16224isa3.3V,12-bitto24-bitmux/
demux bus switch designed with a low On-Resistance allowing
inputs to be connected directly to outputs.
• R
is5-ohmtypicalat3.3V
ON
•
•
•
•
•
•
•
•
Lowpower:10µW
Industrialoperatingtemperature:–40°Cto+85°C
Near zero propagation delay
Fast switching speed: 4.5ns max.
VCC operatingrange:3.0Vto3.6V
500 -ohm pulldown to unconnected B port
Series 25-ohm resistor option on all outputs
Make-before-breakaction
• Packaging(Pb-free&Greenavailable):
–40-pinBQSOP(B)
BlockDiagram
PinConfiguration
S1
A1
1B1
2B1
A2
A1
1B1
1
2
3
4
5
6
7
8
9
40
39
38
1B2
2B2
A3
500Ω
37 1B3
2B3
A4
36
35
34
33
2B1
GND
1B4
2B4
A5
SW
1B5
2B5
A
B
40-Pin
B
32 A6
A12
1B12
1B6 10
31 1B7
2B6
A7
2B7
VCC
A8
11
12
13
30
29
28
S
500Ω
1B8
2B8 14
27 GND
26
25 2B9
2B12
A9
1B10
2B10
A11
15
16
17
18
1B9
24
23
A10
1B11
1B12 19
2B12
22 2B11
21
S1
20
A12
TruthTable(1)
Function
A to 1B
A to 2B
S1
L
A
1B
2B
H
PS8181E
09/10/04
1
PI3B16224
3.3V, 12-Bit to 24-Bit
™
DeMux/Mux NanoSwitch
MaximumRatings
(Above which useful life may be impaired. For user guidelines, not tested.)
Note:
Storage Temperature Range, T
......................................... –65ºC to+150ºC
STG
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device.
Thisisastressratingonlyandfunctionaloperationofthe
device at these or any other conditions above those
indicated in the operational sections of this specification
is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
Ambient Temperature with Power Applied ..................... –40ºC to+85ºC
Supply Voltage Range, to Ground Potential.................... –0.5V to +4.6V
Input Voltage Range ..........................................................–0.5Vto+4.6V
DC Output Current ......................................................................... 120mA
Power Dissipation .............................................................................0.5W
DCElectricalCharacteristics(Over the Operating Range, T = –40ºC to +85ºC, VCC = 3.0 to 3.6V)
A
Parameters
Description
Input HIGH Voltage
Test Conditions(1)
Guaranteed Logic High Level
Guaranteed Logic Low Level
VCC = Max.; VIN = VCC
Min.
2.0
Typ.(2) Max. Units
VIH
VIL
IIH
V
Input LOW Voltage
Input HIGH Current
–0.5
0.8
±1
µA
IIL
Input LOW Current
VCC = Max.; VIN = GND
±1
±1
–1.2
8
IOZH
VIK
RON
RON
CIN
High Impedance Output Current
Clamp Diode Voltage
Switch On Resistance
Switch On Resistance
Input Capacitance
0 ≤ A, B ≤ VCC
VCC = Min, IIN = –18mA
–0.7
5
V
VCC = Min., VIN = 0.0V, ION = 12mA
VCC = Min., VIN = 2.4V, ION = 12mA
VIN = 0V, 25°C, f = 1 MHz
Ω
10
15
3.0
pF
µA
CON
ICC
A/B Capacitance
VIN = 0V, 25°C, f = 1 MHz
25.0
10
Power Supply Quiescent
Notes:
1. Typical values are shown at VCC = 3.3V, +25°C ambient and maximum loading.
SwitchingElectricalCharacteristics(T =–40ºCto+85ºC,VCC =3.0to3.6V)
A
PI3B16224
Com.
Parameters
Description
Propagation Delay Ax to xBx
Bus Enable
Test Conditions
Min.
Max.
250
Units
tPLH
tPE
tPD
tM
CL = 50pF, RL = 500 ohms(1,2,3)
–
1
1
0
ps
4.5
5.0
2
CL = 50pF, RL = 500 ohms(3)
CL = 50pF, RL = 500 ohms(1)
Bus Disable
ns
Make-before-break time
Notes:
1. This parameter is guaranteed but not tested on Propagation Delays.
2. 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 0.25ns for 50pF 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.
3. See test circuit and waveforms.
PS8181E
09/10/04
2
PI3B16224
3.3V, 12-Bit to 24-Bit
™
DeMux/Mux NanoSwitch
ApplicationCircuit
ApplicationInformation
Logic Inputs
72
128M
DIMM
The logic control inpus can be driven up to +3.6V regardless of the
supplyvoltage.Forexample,givena+3.3Vsupply,INmaybedriven
LOW to 0V and HIGH to 3.6V. Driving IN Rail-toRail minimizes
power consumption.
100 MHz
100 MHz
72
128M
DIMM
CPU
Power-SupplySequencingandHotPlugInformation
Proper power-supply sequencing is advised for all CMOS devices.
It is recommended to always apply V and GND before applying
6 of 3B16224
72:144 Bus Switch
CC
signals to the input/output or control pins.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
Core
Logic
72 Bits
(64 Bits Data,
8 Bits ECC)
Memory Switching Application
Packaging Mechanical: 40-pin BQSOP (B)
X.XX
DENOTES DIMENSION IN MILLIMETERS
X.XX
OrderingInformation
Ordering Code
Package Code
Package Description
40-pin BQSOP
PI3B16224B
B
B
PI3B16224BE
Pb-free & Green, 40-pin BQSOP
Notes:
1. Thermal Characteristics can be found on the world wide web at: www.pericom.com/packaging/
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
PS8181E
09/10/04
3
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