State-of-the-Art EPIC-B BiCMOS Design Significantly Reduces Power Diss
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SN54ABT541, SN74ABT541B OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
State-of-the-Art EPIC-B BiCMOS Design Significantly Reduces Power Dissipation Latch-Up Performance Exceeds JEDEC Standard JESD-17 Typical VOLP (Output Ground Bounce) 25°C High-Impedance State During Power Power Down High-Drive Outputs (-32-mA IOH, 64-mA IOL) Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), Ceramic Flat Package, Plastic Ceramic DIPs
SN54ABT541 PACKAGE SN74ABT541B PACKAGE (TOP VIEW)
SN54ABT541 PACKAGE (TOP VIEW)
SN54ABT541 SN74ABT541B octal buffers line drivers ideal driving lines buffering memory address registers. devices feature inputs outputs opposite sides package facilitate printed circuit board layout. 3-state control gate two-input gate with active-low inputs that either output-enable (OE1 OE2) input high, eight outputs high-impedance state.
description
When between device high-impedance state during power power down. However, ensure high-impedance state above should tied through pullup resistor; minimum value resistor determined current-sinking capability driver. SN54ABT541 characterized operation over full military temperature range -55°C 125°C. SN74ABT541B characterized operation from -40°C 85°C.
FUNCTION TABLE INPUTS OUTPUT
Please aware that important notice concerning availability, standard warranty, critical applications Texas Instruments semiconductor products disclaimers thereto appears this data sheet. EPIC-B trademark Texas Instruments Incorporated.
PRODUCTION DATA information current publication date. Products conform specifications terms Texas Instruments standard warranty. Production processing does necessarily include testing parameters.
Copyright 1998, Texas Instruments Incorporated
products compliant MIL-PRF-38535, parameters tested unless otherwise noted. other products, production processing does necessarily include testing parameters.
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SN54ABT541, SN74ABT541B OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
logic symbol
logic diagram (positive logic)
Seven Other Channels
This symbol accordance with ANSI/IEEE 91-1984 Publication 617-12.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, -0.5 Input voltage range, (see Note -0.5 Voltage range applied output high power-off state, -0.5 Current into output state, SN54ABT541 SN74ABT541B Input clamp current, Output clamp current, Package thermal impedance, (see Note package 115°C/W package 97°C/W package 67°C/W package 128°C/W Storage temperature range, Tstg -65°C 150°C
Stresses beyond those listed under "absolute maximum ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "recommended operating conditions" implied. Exposure absolute-maximum-rated conditions extended periods affect device reliability. NOTES: input output negative-voltage ratings exceeded input output clamp-current ratings observed. package thermal impedance calculated accordance with JESD except through-hole packages, which trace length zero.
recommended operating conditions (see Note
SN54ABT541 Supply voltage High-level input voltage Low-level input voltage High-level output current Low-level output current Operating free-air temperature SN74ABT541B UNIT
NOTE unused inputs device must held ensure proper device operation. Refer application report, Implications Slow Floating CMOS Inputs, literature number SCBA004.
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SN54ABT541, SN74ABT541B OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER Vhys IOZPU IOZPD IOZH IOZL Ioff ICEX TEST CONDITIONS input Other inputs Outputs high Outputs high Outputs Outputs disabled Outputs enabled Outputs disabled Control inputs -140 ±50** ±50** ±100 -180 -180 ±50** ±50** ±100 -180 0.55 0.55* 0.55 0.55 25°C -1.2 SN54ABT541 -1.2 SN74ABT541B -1.2 UNIT
products compliant MIL-PRF-38535, this parameter does apply. products compliant MIL-PRF-38535, this parameter production tested. typical values more than output should tested time, duration test should exceed second. This increase supply current each input that specified voltage level rather than GND.
switching characteristics over recommended ranges supply voltage operating free-air temperature, (unless otherwise noted) (see Figure
SN54ABT541 PARAMETER FROM (INPUT) (OUTPUT) 25°C tPLH tPHL tPZH tPZL tPHZ tPLZ UNIT
POST OFFICE 655303
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SN54ABT541, SN74ABT541B OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
switching characteristics over recommended ranges supply voltage operating free-air temperature, (unless otherwise noted) (see Figure
SN74ABT541B PARAMETER FROM (INPUT) (OUTPUT) 25°C tPLH tPHL tPZH tPZL tPHZ tPLZ tsk(o) Skew between outputs same package switching same direction UNIT
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SN54ABT541, SN74ABT541B OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
PARAMETER MEASUREMENT INFORMATION
Open TEST tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open Open
From Output Under Test (see Note
LOAD CIRCUIT Input VOLTAGE WAVEFORMS PULSE DURATION
Timing Input Data Input VOLTAGE WAVEFORMS SETUP HOLD TIMES Output Control tPZL Output Waveform (see Note Output Waveform Open (see Note tPZH VOLTAGE WAVEFORMS ENABLE DISABLE TIMES LOW- HIGH-LEVEL ENABLING tPLZ tPHZ
Input tPLH Output tPHL tPHL tPLH Output VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING NONINVERTING OUTPUTS
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, outputs measured time with transition measurement.
Figure Load Circuit Voltage Waveforms
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Copyright 1998, Texas Instruments Incorporated
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