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PDF MC74LCX541 Data sheet ( Hoja de datos )
| Número de pieza | MC74LCX541 | |
| Descripción | LOW-VOLTAGE CMOS OCTAL BUFFER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MC74LCX541 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Low-Voltage CMOS Octal
Buffer Flow Through Pinout
With 5V-Tolerant Inputs and Outputs
(3-State, Non-Inverting)
MC74LCX541
The MC74LCX541 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
MC74LCX244, while providing flow through architecture. High
impedance TTL compatible inputs significantly reduce current loading to
input drivers while TTL compatible outputs offer improved switching noise
performance. A VI specification of 5.5V allows MC74LCX541 inputs to be
safely driven from 5V devices. The MC74LCX541 is suitable for memory
address driving and all TTL level bus oriented transceiver applications.
Current drive capability is 24mA at the outputs. The Output Enable
(OE1. OE2) inputs, when HIGH, disables the output by placing them in a
HIGH Z condition.
• Designed for 2.7 to 3.6V VCC Operation
• 5V Tolerant — Interface Capability With 5V TTL Logic
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0V
• LVTTL Compatible
www.DataSheet4U.com
• LVCMOS Compatible
• 24mA Balanced Output Sink and Source Capability
• Near Zero Static Supply Current in All Three Logic States (10µA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds 500mA
• ESD Performance: Human Body Model >2000V; Machine Model >200V
LOW–VOLTAGE CMOS
OCTAL BUFFER
20
1
20
1
20
1
DW SUFFIX
PLASTIC SOIC
CASE 751D–04
M SUFFIX
PLASTIC SOIC EIAJ
CASE 967–01
SD SUFFIX
PLASTIC SSOP
CASE 940C–03
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
20
1
DT SUFFIX
PLASTIC TSSOP
CASE 948E–02
PIN NAMES
Pins
Function
OEn
Dn
On
Output Enable Inputs
Data Inputs
3–State Outputs
1 2 3 4 5 6 7 8 9 10
OE1 D0 D1 D2 D3 D4 D5 D6 D7 GND
8/95
© Motorola, Inc. 1996
1
REV 1
1 page  
MC74LCX541
Dn 1.5V
tPLH
On
2.7V
1.5V
0V
tPHL
VOH
1.5V 1.5V
VOL
WAVEFORM 1 – PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
OEn
tPZH
On
tPZL
On
1.5V
tPHZ
1.5V
tPLZ
1.5V
2.7V
0V
VCC
VOH – 0.3V
≈ 0V
≈ 3.0V
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
PULSE
GENERATOR
VCC
DUT
RT
R1
CL RL
6V
OPEN
GND
LCX DATA
BR1339 — REV 3
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
6V
Open Collector/Drain tPLH and tPHL
6V
tPZH, tPHZ
GND
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500Ω or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
Figure 2. Test Circuit
5
MOTOROLA
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC74LCX541.PDF ] | |
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