July 1992 100352 Power 8-Bit Buffer with Cut-Off Drivers 100

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July 1992 100352 Power 8-Bit Buffer with Cut-Off Drivers 100

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100352 Power 8-Bit Buffer with Cut-Off Drivers
July 1992
100352 Power 8-Bit Buffer with Cut-Off Drivers
100352 contains 8-bit buffer individual inputs (Dn) outputs (Qn) data output enable (OEN) output follows input when HIGH holds outputs cut-off state cut-off state designed more negative than normal level This allows output emitter-followers turn when termination supply presenting high impedance data This high impedance reduces termination power prevents loss state noise margin when several loads share 100352 outputs designed drive doubly terminated transmission line (25X load impedance) inputs have pull-down resistors
Features
Cut-off drivers Drives load power operation 2000V protection Voltage compensated operating range Available industrial grade temperature range Available MIL-STD-883
Logic Symbol
Names Description Data Inputs Output Enable Input Data Outputs Connect
10248
Connection Diagrams
24-Pin 28-Pin 24-Pin Quad Cerpak
10248 10248
10248-2
C1995 National Semiconductor Corporation
10248
RRD-B30M105 Printed
Logic Diagram
10248
Truth Table
Inputs
HIGH Voltage Level Voltage Level Cutoff Lower-than-LOW State Don't Care
Outputs Cutoff
Absolute Maximum Ratings
Above which useful life impaired (Note Military Aerospace specified devices required please contact National Semiconductor Sales Office Distributors availability specifications Storage Temperature (TSTG) Maximum Junction Temperature (TJ) Ceramic Plastic Potential Ground Input Voltage (DC) Output Current Output HIGH) (Note
Recommended Operating Conditions
Case Temperature (TC) Commercial Industrial Military Supply Voltage (VEE)
2000V
Note Absolute maximum ratings those values beyond which device damaged have useful life impaired Functional operation under these conditions implied Note testing conforms MIL-STD-883 Method 3015
Commercial Version Electrical Characteristics
VCCA (Note Symbol VOHC VOLC VOLZ Parameter Output HIGH Voltage Output Voltage Output HIGH Voltage Output Voltage Cut-Off Voltage Input HIGH Voltage Input Voltage Input Current Input HIGH Current Power Supply Current
1025 1830 1035
1705
1620
Units (Max) (Min) (Min) (Max)
Conditions Loading with Loading with HIGH
1610 1950 1165 1830 1475
(Min) (Max) Guaranteed HIGH Signal Inputs Guaranteed Signal Inputs (Min) (Max) Inputs Open
Note specified limits represent ``worst case'' value parameter Since these values normally occur temperature extremes additional noise immunity guardbanding achieved decreasing allowable system operating ranges Conditions testing shown tables chosen guarantee operation under ``worst case'' conditions
Electrical Characteristics
VCCA Symbol tPLH tPHL tPZH tPHZ tTLH tTHL Parameter Propagation Delay Output Propagation Delay Output Transition Time Units Conditions
Figures (Note Figures (Note Figures
Note propagation delay specified single output switching Delays vary with multiple outputs switching
Commercial Version (Continued) Cerpak Electrical Characteristics
VCCA Symbol tPLH tPHL tPZH tPHZ tTLH tTHL tOSHL Parameter Propagation Delay Output Propagation Delay Output Transition Time Maximum Skew Common Edge Output-to-Output Variation Data Output Path Maximum Skew Common Edge Output-to-Output Variation Data Output Path Maximum Skew Opposite Edge Output-to-Output Variation Data Output Path Maximum Skew (Signal) Transition Variation Data Output Path Units Conditions
Figures (Note Figures (Note Figures
only (Note only (Note only (Note only (Note
tOSLH
tOST
Note Output-to-Output Skew defined absolute value difference between actual propagation delay outputs within same packaged device specifications apply outputs switching same direction either HIGH (tOSHL) HIGH (tOSLH) opposite directions both (tOST) Parameters tOST guaranteed design Note propagation delay specified single output switching Delays vary with multiple outputs switching
Industrial Version Electrical Characteristics
VCCA (Note Symbol VOHC VOLC VOLZ Parameter Output HIGH Voltage Output Voltage Output HIGH Voltage Output Voltage Cut-Off Voltage Input HIGH Voltage Input Voltage Input Current Input HIGH Current Power Supply Current
1085 1830 1095 1565 1950
1025 1830 1035 1610 1950
Units
Conditions VIH(Max) VIL(Min) VIH(Min) VIL(Max) VIH(Min) (Max) Loading with Loading with HIGH
1575
1620
1170 1830
1480
1165 1830
1475
Guaranteed HIGH Signal Inputs Guaranteed Signal Inputs VIL(Min) VIH(Max) Inputs Open
Note specified limits represent ``worst case'' value parameter Since these values normally occur temperature extremes additional noise immunity guardbanding achieved decreasing allowable system operating ranges Conditions testing shown tables chosen guarantee operation under ``worst case'' conditions
Industrial Version (Continued) Electrical Characteristics
VCCA Symbol tPLH tPHL tPZH tPHZ tTLH tTHL Parameter Propagation Delay Output Propagation Delay Output Transition Time Units Conditions
Figures (Note Figures (Note Figures
Note propagation delay specified single output switching Delays vary with multiple outputs switching
Military Version Electrical Characteristics
VCCA Symbol Parameter Output HIGH Voltage
1025 1085
Units
Conditions
Notes
Output Voltage
1830 1620 1830 1555
VIH(Max) VIL(Min)
Loading with
VOHC
Output HIGH Voltage
1035 1085
VOLC
Output Voltage
1610 1555
VIH(Min) VIL(Max)
Loading with
VOLZ
Cut-Off Voltage
1950 1850
VIH(Min) VIL(Max) inputs
HIGH
Input HIGH Voltage Input Voltage Input Current Input HIGH Current
1165
Guaranteed HIGH signal Guaranteed signal
1830 1475
inputs
VIL(Min)
VIH(Max)
Power Supply Current
Inputs Open
Note F100K Series cold temperature testing performed temperature soaking guarantee junction temperature equals then testing immediately without allowing junction temperature stabilize heat dissipation after power-up This provides ``cold start'' specs which considered worst case condition cold temperatures Note Screen tested 100% each device Subgroups Note Sample tested (Method 5005 Table each manufactured Subgroups Note Guaranteed applying specified input condition testing
Military Version (Continued) Electrical Characteristics
VCCA Symbol tPLH tPHL tPZH tPHZ tTLH tTHL Parameter Propagation Delay Output Propagation Delay Output Transition Time Units Conditions Notes
Figures Figures Figures
Note F100K Series cold temperature testing performed temperature soaking guarantee junction temperature equals then testing immediately after power-up This provides ``cold start'' specs which considered worst case condition cold temperatures Note Screen tested 100% each device temperature only Subgroup Note Sample tested (Method 5005 Table each manufactured Subgroup temperatures Subgroups Note tested temperature (design characterization data) Note propagation delay specified single output switching Delays vary with multiple outputs switching
Test Circuitry
10248
FIGURE Test Circuit
Notes VCCA equal length impedance lines terminator internal scope Decoupling from unused outputs loaded with Fixture stray capacitance
Switching Waveforms
10248
Note output measurement point cut-off propagation delay testing voltage point between active
FIGURE Propagation Delay Cut-Off Transition Times
Ordering Information
device number used form part simplified purchasing code where package type temperature range defined follows 100352 Device Number (Basic) Package Code Ceramic Quad Cerpak Plastic Plastic Leaded Chip Carrier (PCC) Special Variation Military grade device with environmental burn-in processing Temperature Range Commercial Industrial (b40 (PCC Only) Military (b55
Physical Dimensions inches (millimeters)
24-Lead Ceramic Dual-In-Line Package Wide) Package Number J24E
Physical Dimensions inches (millimeters) (Continued)
24-Lead Plastic Dual-In-Line Package Package Number N24E
28-Lead Plastic Chip Carrier Package Number V28A
100352 Power 8-Bit Buffer with Cut-Off Drivers
Physical Dimensions inches (millimeters) (Continued)
114920
24-Lead Quad Cerpak Package Number W24B
LIFE SUPPORT POLICY NATIONAL'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT NATIONAL SEMICONDUCTOR CORPORATION used herein Life support devices systems devices systems which intended surgical implant into body support sustain life whose failure perform when properly used accordance with instructions provided labeling reasonably expected result significant injury user
National Semiconductor Corporation 1111 West Bardin Road Arlington 76017 1(800) 272-9959 1(800) 737-7018
critical component component life support device system whose failure perform reasonably expected cause failure life support device system affect safety effectiveness
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National does assume responsibility circuitry described circuit patent licenses implied National reserves right time without notice change said circuitry specifications

July 1992 100352 Power 8-Bit Buffer with Cut-Off Drivers 100

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