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PDF MC74LVQ541 Data sheet ( Hoja de datos )

Número de pieza MC74LVQ541
Descripción LOW-VOLTAGE CMOS OCTAL BUFFER
Fabricantes Motorola Semiconductors 
Logotipo Motorola Semiconductors Logotipo



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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Low-Voltage Quiet CMOS Octal
Buffer Flow Through Pinout
(3-State, Non-Inverting)
The MC74LVQ541 is a high performance, non–inverting octal buffer
operating from a 2.7 to 3.6V supply. This device is similar in function to the
MC74LVQ244, while providing flow through architecture. The
MC74LVQ541 is suitable for memory address driving and all TTL level
bus oriented buffer applications.
Current drive capability is 12mA at the outputs. The Output Enable
(OE1. OE2) inputs, when HIGH, disable the outputs by placing them in a
HIGH Z condition.
Designed for 2.7 to 3.6V VCC Operation – Ideal for Low Power/Low
Noise Applications
Guaranteed Simultaneous Switching Noise Level and Dynamic
Threshold Performance
Guaranteed Skew Specifications
Guaranteed Incident Wave Switching into 75
Low Static Supply Current (10µA) Substantially Reduces System Power
Requirements
Latchup Performance Exceeds 500mA
ESD Performance: Human Body Model >2000V
MC74LVQ541
LVQ
LOW–VOLTAGE CMOS
OCTAL BUFFER
20
1
20
1
DW SUFFIX
PLASTIC SOIC
CASE 751D–04
M SUFFIX
PLASTIC SOIC EIAJ
CASE 967–01
Pinout: 20–Lead (Top View)
VCC OE2 O0 O1 O2 O3 O4 O5 O6 O7
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
OE1 D0 D1 D2 D3 D4 D5 D6 D7 GND
20
1
20
1
SD SUFFIX
PLASTIC SSOP
CASE 940C–03
DT SUFFIX
PLASTIC TSSOP
CASE 948E–02
PIN NAMES
Pins
Function
OEn
Dn
On
Output Enable Inputs
Data Inputs
3–State Outputs
1/96
© Motorola, Inc. 1996
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MC74LVQ541 pdf
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MC74LVQ541
Dn 50% VCC
tPLH
On
50% VCC
50% VCC
tPHL
50% VCC
WAVEFORM 1 – PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
VCC
0V
VOH
VOL
OEn
On
On
PULSE
GENERATOR
50% VCC
tPZH tPHZ
50% VCC
50% VCC
VCC
0V
VCC
VOH – 0.3V
tPZL tPLZ
50% VCC
VOL + 0.3V
GND
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
Figure 1. AC Waveforms
VCC
DUT
RT
R1
CL RL
2 VCC
OPEN
LCX DATA
DataSheetB4RU14.c78om
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
2 VCC
Open Collector/Drain tPLH and tPHL
2 VCC
tPZH, tPHZ
Open
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500or equivalent
RT = ZOUT of pulse generator (typically 50)
Figure 2. Test Circuit
5
MOTOROLA

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