PI3B16862BX [PERICOM]
Bus Driver, CBTLV/3B Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.150 INCH, PLASTIC, BQSOP-48;
| 型号： | PI3B16862BX |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | Bus Driver, CBTLV/3B Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.150 INCH, PLASTIC, BQSOP-48 光电二极管 |
| 文件： | 总3页 (文件大小：250K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI3B16862
PI3B162862 (25Ω)
3.3V, Hot Insertion, 20-Bit, 2-Port BusSwitch
Product Features
Product Description
Pericom Semiconductors PI3B series of Bus Switch circuits are
produced using the Companys advanced submicron CMOS
technology, achieving industry leading speed.
Near-zero propagation delay
5Ω or 25Ω switches connect inputs to outputs
Fast Switching Speed - 5ns (max.)
Direct bus connection when switches are ON
Permits Hot Insertion
The PI3B16862 is configured as a 3.3 Volt, 20-bit, hot-insertion
2-port bus switch designed with a low ON resistance (5Ω)
allowing inputs to be connected directly to outputs. The bus
switch creates no additional propagational delay or additional
ground bounce noise. The switch is turned ON by the Bus Enable
(BEx) input signal.
32X384 function with flow through pinout make board
layout easier
Vcc Operating Range: 3.0V to 3.6V
Industrial operating temperature: 40°C to +85°C
The PI3B162862 device has a built-in 25-ohm series resistor to
reduce noise resulting from reflections, thus eliminating the need
for an external terminating resistor.
Packages available:
48-pin 150-mil wide plastic BQSOP (B)
48-pin 240-mil wide plastic TSSOP (A)
48-pin 300-mil wide plastic SSOP (V)
Product Pin Configuration
Logic Block Diagram
BE
A
A
A
A
A
A
A
A
A
A
2
0
1
2
3
4
5
6
7
8
9
1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
Vcc
BE
A
0
B
B
0
4
2
1
3
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
4
5
A
4
1
6
7
8
BE
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
GND
BE
A
15
19
B
B
15
19
4
VCC
BE
A
A
A
A
A
A
A
A
A
A
10
11
12
13
14
15
16
17
18
19
3
B
B
B
B
B
B
B
B
B
B
10
A
11
12
13
14
15
16
17
18
19
BE4
Truth Table(1)
Function
GND
BEX A19-A0
Disconnect
Connect
H
L
Hi-Z
Product Pin Description
B19-B0
Pin Name
Description
Note:
BEx
Bus Enable Inputs (Active LOW)
1. H = HighVoltageLevel
= LowVoltageLevel
Hi-Z = HighImpedance
A19-A0
B19-B0
Bus A
Bus B
L
PS8200C 12/27/00
1
PI3B16862/PI3B162862
3.3V, Hot Insertion, 20-Bit, 2- Port BusSwitch
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 .................................................................................... 120mA
Power Dissipation......................................................................................... 0.5W
Stresses greater than those listed under
MAXIMUM RATINGS 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. Exposure to absolute maximum rating
conditions for extended periods may affect reli-
ability.
DCElectricalCharacteristics(OvertheOperatingRange, T =40°Cto+85°C,V =3.0Vto3.6V)
A
CC
(1)
(2)
Parameters Description
TestConditions
Min. Typ
Max. Units
V
V
Input HIGH Voltage
Input LOW Voltage
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
2.0
0.5
0.8
±1
V
V
IH
IL
I
I
I
Input HIGH Current
V
V
= Max., V = V
CC
µA
µA
µA
V
IH
CC
CC
IN
Input LOW Current
= Max., V = GND
±1
IL
IN
High Impedance Output Current
0 ≤ A, B ≤ V
±1
OZH
CC
V
R
Clamp Diode Voltage
V
CC
V
CC
= Min., I = 18mA
0.7
5
1.2
7
IK
IN
(3)
Switch On Resistance
= Min., V = 0.0V,
16862
162862
16862
Ω
ON
IN
I
= 48mA
20
28
10
35
40
15
48
ON
V
= Min., V = 2.4V,
Ω
CC
IN
I
= 15mA
162862
20
ON
Capacitance(T =25°C,f=1MHz)
A
(4)
Parameters
Description
TestConditions
V =0V
Typ
Units
C
IN
Input Capacitance
3.0
8.5
pF
pF
IN
C
OFF
A/B Capacitance, SwitchOff
V =0V
IN
C
ON
A/B Capacitance, Switch On
V = 0V
IN
17.0
pF
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. TypicalvaluesareatV =3.3V,T =25°Cambientandmaximumloading.
CC
A
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.
PS8200C 12/27/00
2
PI3B16862/PI3B162862
3.3V, Hot Insertion, 20-Bit, 2- Port BusSwitch
Switching Characteristics over Operating Range
PI3B16862/PI3B162862
Com.
Parameters
Description
Conditions(1)
Min.
Max.
Units
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay(2,3)
Ax to Bx, Bx to Ax
Bus Enable Time
BE to Ax or Bx
Bus Disable Time
BE to Ax or Bx
CL= 50pF
RL= 500Ω
CL= 50pF,
RL= 500Ω,
RL= 500Ω
16861
1
0.25
1.25
4.5
162861
ns
1
5
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 0.25ns 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.
PowerSupplyCharacteristics
(1)
(2)
Parameters
Description
Test Conditions
Min. Typ.
Max.
Units
ICC
Quiescent Power Supply
Current
VCC = Max.
VIN = GND or VCC
VIN = 3.0V(3)
10
µA
Supply Current per Input VCC = Max.
@ TTL HIGH
750
∆ICC
µA
ICCD
Supply Current per
Input per MHz
VCC = Max.
A and B Pins Open
BE = GND
0.25
mA/
MHz
(4)
Control Input Toggling
50% Duty Cycle
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. TypicalvaluesareatV =3.3V,+25ºCambient.
3. Per TTL driven input (control inputs only); A and B pins do not contribute to I
CC
.
CC
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.
OrderingInformation
Part
Pin Package
48-TSSOP (A48)
48-BQSOP (B48)
48-SSOP (V48)
Temperature
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PI3B16862A
PI3B16862B
PI3B16862V
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
PS8200C 12/27/00
3
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