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74LVC541A Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
Product specification Supercedes data of 1997 Oct 27 IC24 Data Handbook 1998 Jul 29
Philips Semiconductors
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
FEATURES
* 5-volt tolerant inputs/outputs, for interfacing with 5-volt logic * Wide supply voltage range of 2.7V to 3.6V * Complies with JEDEC standard no. 8-1A * CMOS low power consumption * Direct interface with TTL levels * 5 Volt tolerant inputs/outputs, for interfacing with 5 Volt logic
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25C; tr = tf 2.5 ns SYMBOL tPHL/tPLH CI CPD PARAMETER Propagation delay An to Yn Input capacitance Power dissipation capacitance per buffer
DESCRIPTION
The 74LVC541A is a high performance, low-power, low-voltage Si-gate CMOS device and superior to most advanced CMOS compatible TTL families. Inputs can be driven from either 3.3V or 5.0V devices. In 3-State operation, outputs can handle 5V. This feature allows the use of these devices as translators in a mixed 3.3V/5V environment. The 74LVC541A is an octal non-inverting buffer/line driver with 5-volt tolerant inputs/outputs. The 3-State outputs are controlled by the output enable inputs OE1 and OE2.
CONDITIONS CL = 50 pF; VCC = 3.3 V Notes 1 and 2
TYPICAL 3.3 5.0 20
UNIT ns pF pF
NOTES: 1. CPD is used to determine the dynamic power dissipation (PD in W) PD = CPD x VCC2 x fi ) (CL x VCC2 x fo) where: fi = input frequency in MHz; CL = output load capacitance in pF; fo = output frequency in MHz; VCC = supply voltage in V; (CL x VCC2 x fo) = sum of the outputs. 2. The condition is VI = GND to VCC
ORDERING INFORMATION
PACKAGES 20-Pin Plastic SO 20-Pin Plastic SSOP Type II 20-Pin Plastic TSSOP Type I TEMPERATURE RANGE -40C to +85C -40C to +85C -40C to +85C OUTSIDE NORTH AMERICA 74LVC541A D 74LVC541A DB 74LVC541A PW NORTH AMERICA 74LVC541A D 74LVC541A DB 7LVC541APW DH PKG. DWG. # SOT163-1 SOT339-1 SOT360-1
PIN DESCRIPTION
PIN NUMBER 1, 19 2, 3, 4, 5, 6, 7, 8, 9 10 18, 17, 16, 15, 14, 13, 12, 11 20 SYMBOL OE1, OE2 A0 to A7 GND Y0 to Y7 VCC NAME AND FUNCTION Output enable inputs (active LOW) Data inputs Ground (0 V) Bus outputs Positive supply voltage
FUNCTION TABLE
INPUTS OE1 L L X H OE2 L L H X INPUTS An L H X X OUTPUT Yn L H Z Z
H = HIGH voltage level L = LOW voltage level X = don't care Z = high impedance OFF-state
1998 Jul 29
2
853-2103 19803
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
PIN CONFIGURATION
LOGIC SYMBOL (IEEE/IEC)
1 OE1 A0 A1 A2 A3 A4 A5 A6 A7 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VCC OE2 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 2 19
& EN
18 17 16 15 14 13 12 11
3 4 5 6 7 8 9
SV00680
SV00682
LOGIC SYMBOL
A0 Y0
FUNCTIONAL DIAGRAM
2 18 3 A1 Y1 17 A0 Y0 18
2
3
A1
Y1
17 4 A2 Y2 16
4
A2
Y2
16
5
A3
Y3
15
5
A3
Y3
15
6
A4
Y4
14
6
A4
Y4
14
7
A5
Y5
13
7
A5
Y5
8 13 9
A6
Y6
12
A7
Y7
11
A6 8
Y6 12 1 OE1 OE2
A7 9
Y7
19 11
SV00683
1 19 OE1 OE2
SV00681
1998 Jul 29
3
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
RECOMMENDED OPERATING CONDITIONS
SYMBOL VCC VI VO Tamb tr, tf PARAMETER DC supply voltage (for max. speed performance) DC supply voltage (for low-voltage applications) DC input voltage range DC output voltage range; output HIGH or LOW state DC output voltage range; output 3-State Operating free-air temperature range Input rise and fall times VCC = 1.2 to 2.7V VCC = 2.7 to 3.6V CONDITIONS LIMITS MIN 2.7 1.2 0 0 0 -40 0 0 MAX 3.6 3.6 5.5 VCC 5.5 +85 20 10 UNIT V V V C ns/V
ABSOLUTE MAXIMUM RATINGS1
In accordance with the Absolute Maximum Rating System (IEC 134) Voltages are referenced to GND (ground = 0V) SYMBOL VCC IIK VI IOK VO IO IGND, ICC Tstg PARAMETER DC supply voltage DC input diode current DC input voltage DC output diode current DC output voltage; output HIGH or LOW DC output voltage; output 3-State DC output diode current DC VCC or GND current Storage temperature range Power dissipation per package - plastic mini-pack (SO) - plastic shrink mini-pack (SSOP and TSSOP) above +70C derate linearly with 8 mW/K above +60C derate linearly with 5.5 mW/K VI t0 Note 2 VO uVCC or VO t 0 Note 2 Note 2 VO = 0 to VCC CONDITIONS RATING -0.5 to +6.5 -50 -0.5 to +5.5 50 -0.5 to VCC +0.5 -0.5 to +6.5 50 100 -60 to +150 500 500 mW mA mA C UNIT V mA V mA V
PTOT
NOTES: 1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
1998 Jul 29
4
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V) LIMITS SYMBOL PARAMETER TEST CONDITIONS Temp = -40C to +85C MIN VIH HIGH level Input voltage VCC = 1.2V VCC = 2.7 to 3.6V LOW level Input voltage VCC = 1.2V VCC = 2.7 to 3.6V VCC = 2.7V; VI = VIH or VIL; IO = -12mA VO OH HIGH level output voltage VCC = 3.0V; VI = VIH or VIL; IO = -100A VCC = 3.0V; VI = VIH or VIL; IO = -18mA VCC = 3.0V; VI = VIH or VIL; IO = -24mA VCC = 2.7V; VI = VIH or VIL; IO = 12mA VOL LOW level output voltage VCC = 3.0V; VI = VIH or VIL; IO = 100A VCC = 3.0V; VI = VIH or VIL; IO = 24mA II IOZ IOFF ICC ICC Input leakage current 3-State output OFF-state current Power off leakage supply Quiescent supply current Additional quiescent supply current per input pin VCC = 3.6V; VI = 5.5V or GND VCC = 3.6V; VI = VIH or VIL; VO = 5.5V or GND VCC = 0.0V; VI or VO = 5.5V VCC = 3.6V; VI = VCC or GND; IO = 0 VCC = 2.7V to 3.6V; VI = VCC -0.6V; IO = 0 0.1 5 "0.1 0.1 VCC*0.5 VCC*0.2 VCC*0.6 VCC*0.8 0.40 0.20 0.55 "5 "5 "10 10 500 A A A A A V VCC V VCC 2.0 GND V 0.8 TYP1 MAX V UNIT
VIL
NOTES: 1. All typical values are at VCC = 3.3V and Tamb = 25C. 2. The specified overdrive current at the data input forces the data input to the opposite logic input state.
AC CHARACTERISTICS
GND = 0 V; tr = tf 2.5 ns; CL = 50 pF LIMITS SYMBOL PARAMETER WAVEFORM VCC = 3.3V 0.3V MIN tPHL/tPLH tPZH/tPZL tPHZ/tPLZ Propagation delay An to Yn 3-State output enable time OEn to Yn 3-State output disable time OEn to Yn Figures 1, 3 Figures 2, 3 Figures 2, 3 1.5 1.5 1.5 TYP1 3.3 4.4 3.8 MAX 5.6 7.4 6.0 MIN 1.5 1.5 1.5 VCC = 2.7V TYP 3.9 5.2 4.3 MAX 6.6 8.4 7.0 VCC = 1.2V TYP 14 2.2 11 ns ns ns UNIT
NOTE: 1. Unless otherwise stated, all typical values are at VCC = 3.3V and Tamb = 25C.
1998 Jul 29
5
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
AC WAVEFORMS
VM = 1.5 V at VCC w 2.7 V VM = 0.5 S VCC at VCC < 2.7 V VX = VOL + 0.3 V at VCC 2.7 V VX = VOL + 0.1 VCC at VCC < 2.7 V VY = VOH - 0.3 V at VCC 2.7 V VY = VOH - 0.1 VCC at VCC < 2.7 V VOL and VOH are the typical output voltage drop that occur with the output load.
VI OEn INPUT GND tPLZ VCC OUTPUT LOW-to-OFF OFF-to-LOW VOL tPHZ VOH OUTPUT HIGH-to-OFF OFF-to-HIGH VI An INPUT GND tPHL VOH tPLH VM GND outputs enabled VY VM outputs disabled outputs enabled VM VX tPZH tPZL VM
SV00685
Figure 2. 3-state enable and disable times.
TEST CIRCUIT
Yn OUTPUT VOL VI D.U.T. RT CL 50pF 500 VM VCC S1 2 x VCC Open GND
PULSE GENERATOR
VO
500
SV00700
Figure 1. Input (An) to output (Yn) propagation delays.
VCC t 2.7V 2.7V - 3.6V VI VCC 2.7V
Test tPLH/tPHL tPLZ/tPZL tPHZ/tPZH
S1 Open 2 x VCC GND
SY00003
Figure 3. Load circuitry for switching times.
1998 Jul 29
6
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
1998 Jul 29
7
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm
SOT339-1
1998 Jul 29
8
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
1998 Jul 29
9
Philips Semiconductors
Product specification
Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)
74LVC541A
Data sheet status
Data sheet status Objective specification Preliminary specification Product specification Product status Development Qualification Definition [1] This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make chages at any time without notice in order to improve design and supply the best possible product. This data sheet contains final specifications. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product.
Production
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification -- The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition -- Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information -- Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification.
Disclaimers
Life support -- These products are not designed for use in life support appliances, devices or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes -- Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088-3409 Telephone 800-234-7381 (c) Copyright Philips Electronics North America Corporation 1998 All rights reserved. Printed in U.S.A. print code Document order number: Date of release: 08-98 9397-750-04509
Philips Semiconductors
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