16-Bit Inverting Buffer/Driver with 3-State Outputs PI74VCX Famil
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PI74VCX16240
16-Bit Inverting Buffer/Driver with 3-State Outputs
PI74VCX Family designed voltage operation, 1.8V 3.6V 3.6V Tolerant Inputs Outputs Supports Live Insertion Balanced 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 wide plastic TSSOP
Product Description
inverting buffer/driver designed specifically improve both performance density 3-state memory address drivers, clock drivers, bus-oriented receivers transmitters. device used four 4-bit buffers, 8-bit buffers, 16-bit buffer. provides symmetrical active-low outputenable (OE) inputs. ensure high-impedance state during power power down, should tied through pullup resistor; minimum value resistor determined current-sinking capability driver. PI74VCX family Tolerant, allowing operate 1.8/3.6V systems.
Logic Block Diagram
06-0176
PS8323B
06/02/06
PI74VCX16240 16-Bit Inverting Buffer/Driver with 3-State Outputs
Product Description
Name Description 3-State Output Enable Inputs (Active LOW) Inputs 3-State Outputs Ground Power
Truth Table(1)
Inputs Outputs
Product Configuration
Notes: High Signal Level Signal Level Don't Care Irrelevant High Impedance
06-0176
PS8323B
06/02/06
PI74VCX16240 16-Bit Inverting Buffer/Driver 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 VCC+0.5 Input Diode Current (IIK) VI<0V -50mA Output Diode Current (IOK) VO<0V -50mA VO>VDD +50mA Output Source/Sink Current (IOH/IOL) ±50mA Current Supply (ICC GND) ±100mA Storage Temperature Range, Tstg -65°C 150°C Notes: 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. Absolute maximum must observed.
Recommended Operating Conditions(1)
Operating Supply voltage Data Retention Only High- level input voltage Low- level input voltage Input voltage Active State Output voltage State Output current Input transistion rise fall rate(2) Operating free- temperature 3.0V 3.6V 2.3V 2.7V 1.8V 2.7V 3.6V 2.7V 3.6V ns/V Units
Notes: Unused control inputs must held HIGH prevent them from floating. measured between 0.8V 2.0V, 3.0V.
06-0176
PS8323B
06/02/06
PI74VCX16240 16-Bit Inverting Buffer/Driver with 3-State Outputs
Electrical Characteristics over Recommended Operating Free-Air Temperature Range
(unless otherwise noted)
Characteristics (2.7V<VDD 3.6V)
Parame HIGH Level Input Voltage Level Input Voltage -100A HIGH Level Output Voltage -12mA -18mA -24mA 100A Level Output Voltage 12mA 18mA 24mA IOFF Input Leakage Current STATE Output Leakage Power- Leakage Current 0.0V, 3.6V 3.6V (VI,VO) 3.6V (VI,VO) 3.6V 0.6V, Other inputs 0.55 Conditions Typ. Units
Quiescent Supply Current
Increase input
06-0176
PS8323B
06/02/06
PI74VCX16240 16-Bit Inverting Buffer/Driver with 3-State Outputs
Electrical Characteristics over Recommended Operating Free-Air Temperature Range
(unless otherwise noted) (continued from previous page)
Characteristics (2.3V 2.7V)
Parame HIGH Level Input Voltage Level Input Voltage 100A HIGH Level Output Voltage 12mA 18mA 100A Level Output Voltage 12mA 18mA IOFF Input Leakage Current STATE Output Leakage Power- Leakage Current Quiescent Supply Current 0.0V, 2.7V 3.6V (VI,VO) 3.6V (VI,VO) 3.6V Conditions Typ. Units
Characteristics (1.8V 2.3V)
Parame HIGH Level Input Voltage Level Input Voltage HIGH Level Output Voltage 100A Level Output Voltage 100A IOFF Input Leakage Current STATE Output Leakage Power- Leakage Current Quiescent Supply Current 0.0V, 1.8V 3.6V (VI,VO) 3.6V (VI,VO) 3.6V Conditions Typ. Units
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PS8323B
06/02/06
Dynamic Switching Characteristics
Symbol Parame Conditions 50pF, VDD, VIL= 50pF, VDD, VIL= 50pF, VDD, VIL= +25°C Typical 0.25 0.25 Units
PI74VCX16240 16-Bit Inverting Buffer/Driver with 3-State Outputs
Electrical Characteristics(1)
-40°C +85°C, 30pF, Symbol Parame 3.3V 0.3V Prop Delay utput Enable Time utput Disable Time utput utput Skew( 2.5V 0.2V 1.8V Units
Notes: 50pF approximatly 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).
Quiet Output Dynamic Peak
Quiet Output Dynamic Valley Quiet Output Dynamic Valley
Capacitance
Symbol
COUT
Parame
Input Capacitance Output Capacitance
Conditions
1.8V, 2.5V 3.3V, VDD, 1.8V, 2.5V 3.3V VDD, 10MHz 1.8V, 2.5V 3.3V
Typical
Units
Power Dissipation Capacitance
06-0176
PS8323B
06/02/06
PI74VCX16240 16-Bit Inverting Buffer/Driver with 3-State Outputs
Test Circuits Switching Waveforms
Parameter Measurement Information (VDD 1.8V 3.6V)
Open 50pF
(See Note
Switch Position
tPLZ/tPZL tPHZ/tPZH
Open
From Output Under Test
Pulse Width
Low-High-Low Pulse High-Low-High Pulse VDD/2 VDD/2
Setup, Hold, Release Timing
Data Input Timing Input VDD/2 VDD/2
Propagaton Delay
Input tPLH Output tPHL Opposite Phase Input Transition tPLH tPHL
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 following characteristics: MHz, 2ns, 2ns, measured from 90%, unless otherwise specified. outputs measured time with transition measurement.
VDD/2
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
06-0176
PS8323B
06/02/06
PI74VCX16240 16-Bit Inverting Buffer/Driver with 3-State Outputs
Packaging Mechanical: 48-pin TSSOP (package code
.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
Orde ring Code PI74VCX16240A PI74VCX16240AE Package Type Package cription pin, wide plastic TSSOP free Green, pin, wide plastic TSSOP
Notes: Thermal characteristics found company site www.pericom.com/packaging/ Pb-free Green Adding suffix Tape/Reel
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
06-0176
PS8323B
06/02/06
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