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74LV541N-74LV541PW
Octal buffer/line driver 3-State
Product specification
Supersedes data of 1997 Mar 04
IC24 Data Handbook
1997 Jun 10
Philips Semiconductors Product specification
74LV541Octal buffer/line driver (3-State)
FEATURES Optimized for Low Voltage applications: 1.0 to 3.6V Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V Typical VOLP (output ground bounce) 0.8V @ VCC = 3.3V,
Tamb = 25°C Typical VOHV (output VOH undershoot) 2V @ VCC = 3.3V,
Tamb = 25°C Non-inverting outputs Output capability: bus driver ICC category: MSI
DESCRIPTIONThe 74LV541 is a low–voltage CMOS device and is pin and function
compatible with 74HC/HCT541.
The 74LV541 is an octal non-inverting buffer/line driver with 3-State
outputs. The 3-State outputs are controlled by the output enable
inputs OE1 and OE2.
A HIGH on OEn causes the outputs to assume a high impedance
OFF–state.
QUICK REFERENCE DATAGND = 0V; Tamb = 25°C; tr = tf 2.5 ns
NOTES: CPD is used to determine the dynamic power dissipation (PD in μW)
PD = CPD VCC2 fi (CL VCC2 fo) where:
fi = input frequency in MHz; CL = output load capacity in pF;
fo = output frequency in MHz; VCC = supply voltage in V;
(CL VCC2 fo) = sum of the outputs.
ORDERING INFORMATION
PIN DESCRIPTION
FUNCTION TABLEH = HIGH voltage level
L = LOW voltage level
X = Don’t care
Z = High impedance OFF-state
Philips Semiconductors Product specification
74LV541Octal buffer/line driver (3-State)
PIN CONFIGURATION
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
FUNCTIONAL DIAGRAM
Philips Semiconductors Product specification
74LV541Octal buffer/line driver (3-State)
RECOMMENDED OPERATING CONDITIONS
NOTE: The LV is guaranteed to function down to VCC = 1.0V (input levels GND or VCC); DC characteristics are guaranteed from VCC = 1.2V to VCC = 3.6V.
ABSOLUTE MAXIMUM RATINGS1, 2In accordance with the Absolute Maximum Rating System (IEC 134).
Voltages are referenced to GND (ground = 0V).
NOTES: 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. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
Philips Semiconductors Product specification
74LV541Octal buffer/line driver (3-State)
DC CHARACTERISTICS FOR THE LV FAMILYOver recommended operating conditions. Voltages are referenced to GND (ground = 0V).
NOTE: All typical values are measured at Tamb = 25°C.
Philips Semiconductors Product specification
74LV541Octal buffer/line driver (3-State)
AC CHARACTERISTICSGND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = �K�
NOTES: Unless otherwise stated, all typical values are at Tamb = 25°C. Typical value measured at VCC = 3.3V.
AC WAVEFORMSVM = 1.5V at VCC � 2.7V
VM = 0.5 * VCC at VCC � 2.7V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VX = VOL + 0.3V at VCC � 2.7V
VX = VOL + 0.1VCC at VCC < 2.7V
VY = VOH – 0.3V at VCC � 2.7V
VY = VOH – 0.1 VCC at VCC < 2.7V
Figure 1. Input (An) to output (Yn) propagation delays
Figure 2. 3-State enable and disable times
