2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs PI74VC

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2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs PI74VC

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PI74VCX16245
2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
PI74VCX family designed voltage operation 1.8V 3.6V 3.6V Tolerant Inputs Outputs Supports Live Insertion Balanced output drive, ±24mA Uses patented Noise Reduction Circuitry Typical VOLP (Output Ground Bounce) 0.6V 2.5V, Typical VOHV (Output Undershoot) -0.6V 2.5V, Power-Off High Impedance inputs outputs Industrial operation -40°C +85°C Packaging (Pb-free Green available): 48-pin mil. wide plastic TSSOP
Description
Pericom Semiconductor's PI74VCX16245 16-bit bidirectional transceiver designed asynchronous two-way communication between data buses. direction control input (xDIR) determines direction data flow through bidirectional transceiver. Direction Output Enable controls designed operate this device either independent 8-bit transceivers 16-bit transceiver. output enable (OE) input, when HIGH, disables both ports placing them HIGH condition. ensure high-impedance state during power power down, should tied through pull-up resistor; minimum value resistor determined current sinking ability driver. PI74VCX family Tolerant, allowing operate mixed 1.8V/3.6V systems.
Block Diagram
1DIR
2DIR
PS8325B
09/27/04
PI74VCX16245 2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
Product Description
Name xDIR cription STATE Output Enable Inputs (Active LOW) Direction Control Input Side Inputs STATE Inputs Side Inputs STATE Outputs Ground Power
Truth Table(1)
Inputs xDIR Outputs Data Data High State
Notes: High Signal Level Signal Level Don't Care Irrelevant High Impedance
Product Configuration
1DIR 2DIR
48-Pin
PS8325B
09/27/04
PI74VCX16245 2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
Maximum Ratings
(Above which useful life impaired. user guidelines, tested.) Supply Voltage Range, -0.5V 4.6V Input Voltage Range, -0.5V 4.6V Output Voltage Range, (3-Stated) -0.5V 4.6V Output Voltage Range, VO(1) (Active) -0.5V 0.5V Input Diode Current (IIK) -50mA Output Diode Current (IOK) -50mA -50mA Output Source/Sink Current (IOH/IOL) ±50mA Current Supply (ICC GND) ±100mA Storage Temperature Range, TSTG -65°C to150°C
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.
Recommended Operating Conditions(2)
Parame Supply voltage Input voltage Output voltage Active State State 3.0V 3.6V 2.3V 2.7V 1.8V cription Operating Data Retention Only ns/V Units
Output current IOH/IOL
Input transistion rise fall rate(3) Operating free- temperature
Notes: Absolute maximum must observed Unused control inputs must held HIGH prevent them from floating measured between 0.8V 2.0V, 3.0V
PS8325B
09/27/04
PI74VCX16245 2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
Electrical Characteristics over Recommended Operating Free-Air Temperature Range
(unless otherwise noted)
Characteristics (2.7V 3.6V)
Parame cription HIGH Level Input Voltage Level Input Voltage -100µA HIGH Level Output Voltage -12mA -18mA -24mA 100µA Level Output Voltage 12mA 18mA 24mA IOFF Input Leakage Current STATE Output Leakage Power- Leakage Current Quiescent Supply Current Increase input 3.6V 3.6V (VI,VO) 3.6V (VI,VO) 3.6V 0.6V, Other inputs 0.55 Conditions Typ. Units
PS8325B
09/27/04
PI74VCX16245 2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
Characteristics (2.3V 2.7V)
Parame cription HIGH Level Input Voltage Level Input Voltage 100µA HIGH Level Output Voltage 12mA 18mA 100µA Level Output Voltage Input Leakage Current STATE Output Leakage 12mA 18mA IOFF 3.6V 3.6V Conditions Typ. Units
Power- Leakage Current (VI,VO) 3.6V Quiescent Supply Current (V1, 3.6V
Electrical Characteristics over Recommended Operating Free-Air Temperature Range Characteristics (1.8V 2.3V)
Parame cription HIGH Level Input Voltage Level Input Voltage HIGH Level Output Voltage 100mA 100mA 3.6V 3.6V Conditions Typ. Units
IOFF
Level Output Voltage Input Leakage Current State Output Leakage
Power- Leakage Current (V1,V0) 3.6V Quiescent Supply Current (V1,V0) 3.6V
PS8325B
09/27/04
PI74VCX16245 2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
Electrical Characteristics
-40°C +85°C, 30pF, Symbol Parame 3.3V 0.3V 2.5V 0.2V tPHL, tPLH Prop Delay tPZL, tPZH Output Enable Time tPLZ, tPHZ Output Disable Time tOSHL tOSLH
Notes:
1.8V
Units
Output Output Skew(2)
50pF, approximately 300ps maximum specification Skew defined absolute value difference between actual propagation delay separate outputs same device. specification applies outputs switching same direction, either HIGH (tOSHL) HIGH (tOSLH).
Dynamic Switching Characteristics
Symbol VOLP Parame Quiet Output Dynamic Peak Quiet Output Dynamic Valley Quiet Output Dynamic Valley Conditions 30pF 30pF 30pF +25°C Typical 0.25 0.25 Units
VOLV
VOHV
Capacitance
Symbols COUT Parame Input Capacitance Output Capacitance Power Dissipation Capacitance Conditions 1.8, 2.5V 3.3V, VDD, 1.8V, 2.5V 3.3V VDD, 1.8V, 2.5V 3.3V +25°C Typical Units
PS8325B
09/27/04
PI74VCX16245 2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
Test Circuits Switching Waveforms
Switch Position
tPLZ/tPZL
Parameter Measurement Information (VDD 1.8V 3.6V)
Open 30pF
(See Note
Open
From Output Under Test
tPHZ/tPZH
Pulse Width
Low-High-Low Pulse VDD/2 High-Low-High Pulse VDD/2
Setup, Hold, Release Timing
VDD/2 VDD/2
Input tPLH
Data Input Timing Input
Propagaton Delay
VDD/2 tPHL Output tPHL Opposite Phase Input Transition tPLH VDD/2 VDD/2
Notes: includes probe capacitance. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output HIGH except when disabled output control. input pulses supplied generators having follow characteristics: MHz, 2ns, 2ns, measured from 90%, unless otherwise specified. outputs measured time with transition measurement.
Enable Disable Timing
Output Control
(Active LOW)
VDD/2 tPZL VDD/2 +0.15V tPZH VDD/2 tPHZ -0.15V tPLZ
Output Waveform 2xVDD
(see Note
Output Waveform
(see Note
PS8325B
09/27/04
PI74VCX16245 2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs
Packaging Mechanical: 48-pin TSSOP
.236 .244
.488 12.4 .496 12.6 .047 1.20 SEATING PLANE
.004 0.09 .008 0.20 0.45 .018 0.75 .030 .319
X.XX X.XX
DENOTES DIMENSIONS MILLIMETERS
.0197 0.50
.007 .010 0.17 0.27
.002 .006 0.05 0.15
Ordering Information
Ordering Code PI74VCX16245A PI74VCX16245AE Package Code Package Description 48-pin TSSOP Pb-free Green, 48-pin TSSOP
Notes: Thermal characteristics found company site www.pericom.com/packaging/
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
PS8325B 09/27/04

2.5V 16-Bit Bidirectional Transceiver with 3-State Outputs PI74VC

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