16-Bit Buffer/Driver with 3-State Outputs PI74VCX Family designed

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16-Bit Buffer/Driver with 3-State Outputs PI74VCX Family designed

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PI74VCX16241
16-Bit 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 Packages available: 48-pin wide plastic TSSOP 48-pin wide plastic SSOP
Product Description
Pericom Semiconductor's PI74VCX series logic circuits produced Company's advanced 0.35 micron CMOS technology, achieving industry leading speed. 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 true outputs complementary active-low output-enable 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
PS8324
09/14/98
PI74VCX16241 16-BIT BUFFER DRIVER WITH 3-STATE OUTPUTS Truth Tables(1)
Inputs 1OE, Outputs
Product Description
Name Description 3-State Output Enable Inputs (Active LOW) Inputs 3-State Outputs Ground Power
Product Configuration
Inputs 2OE,
Notes: High Signal Level Signal Level Don't Care Irrelevant High Impedance
Outputs
48-PIN
PS8324
09/14/98
PI74VCX16241 16-BIT 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
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 conditionsfor extended periods affect reliability.
Recommended Operating Conditions(2)
Supply voltage High- level input voltage Low- level input voltage Input voltage utput voltage Active State State 3.0V 3.6V 2.3V 2.7V 1.8V perating Data Retention 2.7V 3.6V 2.7V 3.6V ns/V Units
utput current IOH/IOL Input transistion rise fall rate(3) perating free- temperture
Notes Absolute maximum must observed. Unused control inputs must held HIGH prevent them from floating. measured between 0.8V 2.0V, 3.0V.
PS8324
09/14/98
PI74VCX16241 16-BIT 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 -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 0.0V, 3.6V 3.6V (VI,VO) 3.6V (VI,VO) 3.6V 0.6V, Other inputs 0.55 ±5.0 Conditions Typ. Units
Increase input
PS8324
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PI74VCX16241 16-BIT 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 100µA HIGH Level Output Voltage 12mA 18mA 100µA IOFF Level Output Voltage 12mA 18mA 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 ±5.0 Typ. Units
Characteristics (1.8V 2.3V)
Parame IOFF HIGH Level Input Voltage Level Input Voltage HIGH Level utput Voltage 100µA Level utput Voltage 100µA Input Leakage Current STATE utput Leakage Power- Leakage Current uiescent Supply Current 0.0V, 1.8V 3.6V (VI,VO) 3.6V (VI,VO) 3.6V Conditions ±5.0 Typ. Units
PS8324
09/14/98
Dynamic Switching Characteristics
Symbol VOLP Parame Quiet Output Dynamic Peak Conditions 50pF, VIH= VDD, VIL= +25°C Units Typical 0.25 0.25
PI74VCX16241 16-BIT BUFFER DRIVER WITH 3-STATE OUTPUTS
Electrical Characteristics(1)
-40°C +85°C, 30pF, Symbol Parame 3.3V ±0.3V tPHL, tPLH tPZL, tPZH tPLZ, tPHZ tOSHL tOSLH Prop Delay utput Enable Time utput Disable Time utput utput Skew(2) 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).
VOLV
Quiet Output Dynamic Valley
50pF, VIH= VDD, VIL=
VOHV
Quiet Output Dynamic Valley
50pF, VIH= VDD, VIL=
Capacitance
Symbol COUT Parame Input Capacitance utput Capacitance Power Dissipation 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
PS8324
09/14/98
PI74VCX16241 16-BIT BUFFER DRIVER WITH 3-STATE OUTPUTS Switch Position
tPLZ/tPZL Open
Test Circuits Switching Waveforms
Parameter Measurement Information (VDD 1.8V 3.6V)
Open 50pF
(See Note
From Output Under Test
tPHZ/tPZH
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
Pericom Semiconductor Corporation 2380 Bering Drive Jose, 95131 1-800-435-2336 (408) 435-1100 http://www.pericom.com
PS8324 09/14/98

16-Bit Buffer/Driver with 3-State Outputs PI74VCX Family designed

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