概述
数据手册PI3B16292V 概述
Bus Exchanger
总线交换器\n
PI3B16292V 数据手册
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PDF下载PI3B16292
PI3B162292 (25Ω)
3.3Volt, 24-Bit
Mux/Demux BusSwitch
Features
Description
• Near-zero propagation delay
• 5Ω switches connect inputs to outputs
• Fast Switching Speed - 5ns (max.)(16292)
• Internal 500Ω pull-down on A2 ports
• Ultra-low quiescent power (0.2µA typical) – Ideally
suited for notebook applications
• Vcc Operating Range : 3.0V to 3.6V
• Industrial operating temperature: –40°C to +85°C
• Make-before-break switching
PericomSemiconductor’sPI3Bseriesoflogiccircuitsareproduced
using the Company’s advanced 0.35 micron CMOS technology.
The PI3B16292 and PI3B162292 are 3.3 volt, 12-bit to 24-bit
Mux/Demux Bus switches designed with a low ON resistance
allowing inputs to be connected directly to outputs.
The PI3B162292 device has a built-in 25-ohm series resistor
to reduce noise resulting from reflections, thus eliminating the
need for an external terminating resistor.
A2 port is not externally connected and, as a result, has an internal
500-ohm pulldown resistor to ground.
• Packages available:
– 56-pin 240-mil wide thin plastic TSSOP (A)
– 56-pin 300-mil wide plastic SSOP (V)
Pin Configuration
Applications
S
A
0
1
NC
NC
1
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
• Memory switching
1
2
NC1
1B
1
3
Logic Block Diagram
2A1
1B
2
4
NC1
2B
1
5
3A1
2B
2
6
NC1
3B1
7
GND
GND
8
4A
1
3B2
9
NC1
4B
1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
5A1
4B
2
NC1
5B
1
56-PIN
A, V
6A1
5B
2
Ω
NC1
6B
1
6B
2
7A1
NC1
CC
7
B
1
2
1
7B
V
8A1
8B
GND
NC1
GND
8B2
9A1
9B
1
NC1
9B
2
10A1
10B
1
Truth Table
NC1
10B
2
Function
S0
L
A1
B1
B2
A2
B2
B1
11A1
11B
1
NC1
11B
2
A1 to B1, A2 to B2
A1 to B2, A2 to B1
12A1
12B
1
H
NC1 28
12B
2
Note:
1. H = High Voltage Level
L = Low Voltage Level
Z = High Impedance
Product Pin Description
Pin Name
S0
I/O
I
Description
Select Inputs
xA1
xBx
I/O
I/O
Bus A
Bus B
NC
NC1
Leave it unconnected
Leave it unconnected
PS8177A
12/14/98
1
PI3B16292/162292
3.3V, 24-Bit Mux/Demux
BusSwitch (25Ω)
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Note:
Storage Temperature ............................................ –65°C to +150°C
Ambient Temperature with Power Applied ............. –0°C to +85°C
Supply Voltage Range ............................................. –0.5V to +4.6V
DC Input Voltage .................................................... –0.5V to +4.6V
DC Output Current .............................................................. 120 mA
Power Dissipation................................................................ 0.5Watt
Stresses greater than those listed under MAXIMUM
RATINGSmaycausepermanentdamagetothedevice.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.
Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 3.0V to 3.6V)
Parameters Description
Test Conditions(1)
Min. Typ(2) Max. Units
VIH
VIL
II
Input HIGH Voltage
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
2.0
—
—
—
V
V
Input LOW Voltage
Input Current
–0.5
0.8
VCC = Max., VIN = VCC or GND
VCC = 0, VIN = VCC
—
—
—
—
±1
10
µA
µA
VIK
Clamp Diode Voltage
Switch On Resistance(3)
VCC = Min., IIN = –18mA
VCC = Min., VIN = 0.0V,
ION = 64mA
—
—
20
—
20
–0.7
5
–1.2
8
V
RON
16292
162292
16292
Ω
28
10
35
40
15
48
VCC = Min., VIN = 2.4V,
ION = 15mA
Ω
162292
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(4)
Description
Test Conditions
Max.
Units
CIN
Input Capacitance
VIN = 0V
VIN = 0V
3.0
pF
pF
CON
A/B Capacitance, Switch On
30.0
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 3.3V, TA = 25°C ambient and maximum loading.
3. 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.
4. This parameter is determined by device characterization but is not production tested.
PS8177A
12/14/98
2
PI3B16292/162292
3.3V, 24-Bit Mux/Demux
BusSwitch (25Ω)
Power Supply Characteristics
Parameters
Description
Test Conditions(1)
Min. Typ(2) Max. Units
ICC
Quiescent Power
Supply Current
VCC = MAX.
VCC = MAX.
VIN = GND or VCC
—
—
—
—
—
—
10
µA
VIN = 3.0 V(4)
Other Inputs at VCC OR GND
750
0.25
µA
(3)
∆ICC
Supply Current for
S0 @ TTL HIGH
ICCD
Supply Current for
S0 per MHz(5)
VCC = Max.,
A and B Pins Open
mA/
MHz
Toggling 50% Duty Cycle
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for applicable device.
2. Typical values are at Vcc = 3.3V, +25°C ambient.
3. This is the increase in supply current for S0 at the specified TTL voltage level rather than VCC or GND.
4. Per driven input ( S0 only); A and B pins do not contribute to Icc.
5. 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.
PI3B16292 Switching Characteristics over Operating Range
Com.
Parameters Description
Conditions(1)
Min.
Max.
Units
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay(2,3)
xA1 to xBx, xBx to xA1
Bus Enable time
S to xA1 or xBx
Bus Disable time
S to xA1 or xBx
—
0.25
1
1
4.5
5.0
ns
CL = 50 pF
RL = 500Ω
R = 500Ω to 6V(4)
tm
Make-before-break time(2)
0
2
PI3B162292 Switching Characteristics over Operating Range
Com.
Parameters Description
Conditions(1)
Min.
Max.
Units
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay(2,3)
xA1 to xBx, xBx to xA1
Bus Enable time
S to xA1 or xBx
Bus Disable time
S to xA1 or xBx
—
1.25
1
1
5
ns
CL = 50 pF
RL = 500Ω
R = 500Ω to 4.6V(4)
5.5
tm
Make-before-break time(2)
0
2
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested.
3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and 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 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.
4. Applies to tPLZ and tPZL
.
PS8177A
12/14/98
3
PI3B16292/162292
3.3V, 24-Bit Mux/Demux
BusSwitch (25Ω)
56-Pin SSOP (300 MIL WIDE) - Package Code: V56
56
.291
.299
7.39
7.59
.396
.416
10.06
10.56
Gauge Plane
0.25
.02
.04
0.51
1.01
.010
1
.015 0.381
.025 0.635
.720
.730
18.29
18.54
x 45˚
0.20Nom.]
.008
Max
.110 2.79
.008
.008 0.20
.016 0.40
0-8˚
.025 BSC
0.635
.0135
0.20
0.34
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
56-Pin TSSOP (240 MIL WIDE) - Package Code: A56
56
.236
.244
6.0
6.2
1
.547 13.9
.555 14.1
SEATING PLANE
.047
Max.
1.20
0.09
0.20
.004
.008
0.45 .018
0.75 .030
.002
.0197
BSC
0.50
.07
.011
.006
0.05
0.15
.319
BSC
8.1
0.17
0.27
X.XX
X.XX
DENOTES DIMENSIONS IN MILLIMETERS
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
PS8177A
12/14/98
4
PI3B16292V 相关器件
| 型号 | 制造商 | 描述 | 价格 | 文档 |
| PI3B16292VE | PERICOM | 暂无描述 | 获取价格 |
|
| PI3B16292VEX | PERICOM | 暂无描述 | 获取价格 |
|
| PI3B16861 | PERICOM | 3.3V, 20-Bit, 2-Port NanoSwitch™ | 获取价格 |
|
| PI3B16861A | PERICOM | 3.3V, 20-Bit, 2-Port NanoSwitch™ | 获取价格 |
|
| PI3B16861AE | PERICOM | 3.3V, 20-Bit, 2-Port NanoSwitch™ | 获取价格 |
|
| PI3B16861AEX | PERICOM | Bus Driver, CBTLV/3B Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.240 INCH, GREEN, PLASTIC, TSSOP-48 | 获取价格 |
|
| PI3B16861AX | PERICOM | Bus Driver, CBTLV/3B Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.240 INCH, PLASTIC, TSSOP-48 | 获取价格 |
|
| PI3B16861B | PERICOM | 3.3V, 20-Bit, 2-Port NanoSwitch™ | 获取价格 |
|
| PI3B16861BE | PERICOM | 3.3V, 20-Bit, 2-Port NanoSwitch™ | 获取价格 |
|
| PI3B16861BEX | PERICOM | Bus Driver, CBTLV/3B Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.150 INCH, PLASTIC, BQSOP-48 | 获取价格 |
|
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