PO3B16245A
16-Bit, 2-Port Bus Switch
High Bandwidth Potato Chip
03/16/08
FEATURES:
• Patented technology • High signal -3db passing bandwidth at 1.1GHz • Near-Zero propagation delay • VCC = 1.65V to 3.6V • Ultra-Low Quiescent Power: 0.1µA typical • Ideally suited for low power applications • Industrial operating temperature: -40°C to +85°C • Available in 48 pin TSSOP package
DESCRIPTION:
Potato Semiconductor’s PO3B16245A is designed for world top performance using submicron CMOS technology to achieve GHz high bandwidth. The PO3B16245A is a 16-Bit, 2-Port Bus Switch. The switch introduces no additional ground bounce noise or propagation delay.
Pin Configuration
NC
1B0 1B1
Block Diagram
1 A0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
1BE 1A0 1A1
SW
1B0
GND 1B2 1B3 VCC 1B4 1B5 GND
1B6 1B7 2B0 2B1
GND 1A2 1A3 VCC 1A4 1A5 GND
1A6 1A7 2A0 2A1
1 A7
SW
1B7
1BE
2A0
SW
2B0
SW
2A7
SW
2B7
A
B
2BE
BE
GND 2B2
2B3 VCC 2B4 2B5 GND 2B6 2B7
GND 2A2
2A3
VCC 2A4 2A5 GND 2A6 2A7
2BE
Truth Table
Funct ion Disconnect Connect n BE H L nA0-7 Hi- Z n B0- 7
NC
1
Copyright © Potato Semiconductor Corporation
PO3B16245A
16-Bit, 2-Port Bus Switch
High Bandwidth Potato Chip
12/26/08
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Note:
S t r e ss e s g r eate r t han t h os e l i s te d u n d e r M AXIMU M 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 reliability.
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 +4.6V DC Input Voltage ........................................................ –0.5V to +Vcc DC Output Current................................................................... 120mA Power Dissipation ....................................................................... 0.5W
(Over the Operating Range, TA = –40°C to +85°C, VCC = 3.3V ±10%) Parameters VIH VIL IIH IIL IOZH RON Description Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current
DC Electrical Characteristics, 3.3V Supply
Test Conditions Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND VCC = Min., VIN = 0.0V, Switch On-Resistance ION = -48 mA or -64mA VCC = Min., VIN = VCC , ION = -15 mA Min. 2.0 0.8 ±1 ±1 ±1 12 12 18 18 Ω µA Typ. Max. Units V
High Impedance Output Current 0 ≤ Y, In ≤ VCC
(Over Operating Range, TA = –40°C to +85°C, VCC = 2.5V ± 10%) Parameters VIH VIL IIH IIL IOZH RON Description Input HIGH Voltage Inout LOW Voltage Input HIGH Current Input LOW Current High Impedance Current Switch On Resistance
DC Electrical Characteristics, 2.5V Supply
Test Conditions Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max., VIN = VCC VCC = Max., VIN = GND 0 ≤ Y, In ≤ VCC VCC = Min., VIN = 0.0V, ION = –48mA VCC = Min., VIN = 2.25V, ION = -15mA 18 18 Min. 1.8 –0.3 Typ. Max. VCC + 0.3 0.8 ±1 ±1 ±1 22 Ω 22 µA Units V
2
C opyright © Potato Semiconductor Corporation
PO3B16245A
16-Bit, 2-Port Bus Switch
High Bandwidth Potato Chip
03/16/08
Power Supply Characteristics
Symbol Description
Quiescent Power Supply Current
Test Conditions (1)
Vcc=Max, Vin=Vcc or GND
Min
Typ
Max
Unit
Icc
Notes:
1. 2. 3. 4. 5.
-
0.1
3
uA
For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. Typical values are at Vcc = 3.3V, 25° C ambient. This parameter is guaranteed but not tested. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. VoH = Vcc – 0.6V at rated current
Capacitance
Parameters CIN COFF CON
(TA = 25°C f = 1 MHz) Test Conditions VIN = 0V VIN = 0V VIN = 0V Typ. 3.0 5.0 10.0 Units pF pF pF
Description Input Capacitance A/B Capacitance, Switch Off A/B Capacitance, Switch On
Dynamic Electrical Characteristics Over the Operating Range
(TA = -40º to +85º, VCC = 3.3V ± 10%) Parameter XTALK OIRR BW Description Crosstalk Off-Isolation -3dB Bandwidth Test Condition RL = 100Ω RL = 100Ω RL = 100Ω Typ. -60 -60 1.1 Units dB GHz
Switching Characteristics over 3.3V Operating Range
Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propogation Delay Bus Enable Time See Test Diagram Bus Disable Time 3.0 Conditions See Test Diagram Max. 0.3 2.0 ns Units
3
Copyright © Potato Semiconductor Corporation
PO3B16245A
16-Bit, 2-Port Bus Switch
High Bandwidth Potato Chip
03/16/08
Switching Characteristics over 2.5V Operating Range
Parameters tPLH tPHL tPZH tPZL tPHZ tPLZ Description Propogation Delay Bus Enable Time See Test Diagram Bus Disable Time 3.0 Conditions See Test Diagram Max. 0.3 2.0 ns Units
Test Circuit for Electrical Characteristics
6.0V
VCC
Switch Positions
Test tPLZ, tPZL tPHZ, tPZH Prop Delay Switch 6.0V GND Open
200-ohm
Pulse Generator
VIN
VOUT
D.U.T
RT 10pF CL 200-ohm
Switching Waveforms
SEL 2.5V 1.25V tPZL VDD/2 1.25V 0V Output tPLZ VOL +0.3V tPHZ VDD/2 Output VOH –0.3V VOH VOL VOH VOL
3.5V Input tPLH Output 2.5V 2.5V 2.5V 1.5V tPHL VOH 2.5V VOL
tPZH
Voltage Waveforms Propagation Delay Times
Voltage Waveforms Enable and Disable Times
4
C opyright © Potato Semiconductor Corporation
PO3B16245A
16-Bit, 2-Port Bus Switch
High Bandwidth Potato Chip
03/16/08
Packaging Mechanical Drawing: 48 pin TSSOP
48
.236 .244
6.0 6.2
.018 0.45 .030 0.75
.319 8.1
1
.488 12.4 .496 12.6
.047 1.20 Max
.004 0.09 .008 0.20
.0197 0.50
.007 .010
0.17 0.27
.002 .006
0.05 0.15
X.XX X.XX
DENOTES DIMENSIONS IN MILLIMETERS
5
C opyright © Potato Semiconductor Corporation
PO3B16245A
16-Bit, 2-Port Bus Switch
High Bandwidth Potato Chip
03/16/08
Ordering Information
Ordering Code PO3B16245ATU PO3B16245ATR 48-pin TSSOP 48-pin TSSOP Package
Tube Tape and reel Pb-free & Green Pb-free & Green
Top-Marking PO3B16245AT PO3B16245AT
TA -40°C to 85°C -40°C to 85°C
IC Package Information
PACKAGE CODE PACKAGE TYPE TAPE WIDTH (mm) TAPE PITCH (mm) PIN 1 LOCATION TAPE TRAILER LENGTH QTY PER REEL TAPE LEADER LENGTH QTY PER TUBE
T
TSSOP 48
24
12
Top Left Corner
26 (12”)
1500
43 (20”)
39
6
C opyright © Potato Semiconductor Corporation
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