3.3V, 24-Bit 48-Bit Mux/DeMux NanoSwitchNear-Zero propagation delay ty

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3.3V, 24-Bit 48-Bit Mux/DeMux NanoSwitchNear-Zero propagation delay ty

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PI3B16248
3.3V, 24-Bit 48-Bit Mux/DeMux NanoSwitchNear-Zero propagation delay typical 3.3V Fast switching speed: 4.5ns (max.) operating range: 3.0V 3.6V pulldown unconnected port Industrial operating temperature: -40°C +85°C Make-before-break action Packaging (Pb-free Green): 80-pin BQSOP
Description
Pericom Semiconductor's PI3B16248 3.3V, 24-bit 48-bit Mux/DeMux Switch designed with On-Resistance allowing inputs connected directly outputs.
Block Diagram
1B13
2B13
2B12 1B12
1B24
2B24
Truth Table(1)
Function S2/S1
Note: High Voltage Level, Voltage Level
PS8172E
09/10/04
PI3B16248 3.3V, 24-Bit 48-Bit, Mux/DeMux NanoSwitchApplication Circuit
Configuration
128M DIMM
128M DIMM
128M DIMM
72:144 Switch
3B16248
1B10
2B10
1B11 2B11
Core Logic
128M DIMM
Bits
2B12
1B13 2B13
Bits Data, Bits ECC)
1B14 2B14
1B15 2B15
Memory Switching Application
1B16 2B16
1B17 2B17
1B18 2B18
1B19 2B19
1B20 2B20
1B21 2B21
2B22
1B23 2B23
2B24
PS8172E
09/10/04
PI3B16248 3.3V, 24-Bit 48-Bit, Mux/DeMux NanoSwitchMaximum Ratings
(Above which useful life impaired. user guidelines, tested.) Storage Temperature -65°C +150°C Ambient Temperature with Power Applied -40°C +85°C Supply Voltage Range. -0.5V +4.6V Input Voltage -0.5V +4.6V Output Current.120mA Power Dissipation .0.5W
Note: Stresses greater than those listed under MAXIMUM RATINGS cause permanent damage device. This stress rating only functional operation device these other conditions above those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect reliability.
Electrical Characteristics (Over Operating Range, -40°C +85°C, 3.6V)
Parameters IOZH Description Input HIGH Voltage Input Voltage Input HIGH Current Input Current Switch On-Resistance Input Capacitance Output Capacitance Power Supple Quiescent High Impedance Output Current Clamp Diode Voltage MAX., MAX., Min., 24mA Min., 12mA 25°C, 25°C, Max., Min., -18mA Test Conditions(1) Min. -0.5
Typ.(2)
Max. 25.0
Units
-0.7
-1.2
Note: Typical values shown 3.3V, +25°C ambient maximum loading.
Electrical Characteristics (VCC 3.0V 3.6V, -40°C +85°C)
Parameters tPLH tDIS
Description Propagation Delay Enable Disable Make-before-break time
Test Conditions 50pF, 50pF
Com. Min. Max.
Units
Notes: This parameter guaranteed tested Propagation Delays. switch contributes propagational delay other than delay On-Resistance switch load capacitance. time constant switch alone order 0.25ns 50pF load. Since this time constant much smaller than rise/fall times typical driving signals, adds very little propagational delay system. Propagational delay switch when used system determined driving circuit driving side switch interaction with load driven side. test circuit waveforms.
PS8172E
09/10/04
PI3B16248 3.3V, 24-Bit 48-Bit, Mux/DeMux NanoSwitchApplications Information Logic Inputs
Logic control inputs driven +5.5V regardless supply voltage. example, given 5.0V supply, control select pins driven high 5.5V. Driving control select pins Rail-toRail® minimizes power consumption.
Power-Supply Sequencing Plug Information
Proper power-supply sequencing recommended CMOS devices. Always apply before applying signals input/output control pins.
Packaging Mechanical: 80-pin BQSOP
.150 .157 3.80 4.00
.228 .244 5.80 6.20
.008 0.203
Gauge Plane
0.803 0.811 20.40 20.60
.063 1.60
.019 0.50 .029 0.75
.010 0.254
0.50 .019
.010 .016
0.254 0.406
.078
.0197 0.50
.007 .010 0.17 0.27
.002 .009 0.05 0.25
X.XX X.XX
DENOTES DIMENSIONS MILLIMETERS
Ordering Information
Ordering Code PI3B16248B PI3B16248BE Package Code 80-pin BQSOP Pb-free Green, 80-pin BQSOP Package Description
Notes: Thermal characteristics found company site www.pericom.com/packaging/
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
PS8172E 09/10/04

3.3V, 24-Bit 48-Bit Mux/DeMux NanoSwitchNear-Zero propagation delay ty

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