MC74LVX244 Motorola, MC74LVX244 Datasheet

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MC74LVX244

Manufacturer Part Number
MC74LVX244
Description
LOW-VOLTAGE CMOS
Manufacturer
Motorola
Datasheet

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Octal Bus Buffer
With 5V-Tolerant Inputs
3–state octal bus buffer and has two active low output enables. It is also
designed to work with 3–state memory address drivers, etc. The inputs
tolerate voltages up to 7V, allowing the interface of 5V systems to 3V
systems.
6/97
4
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1997
High Speed: t PD = 4.7ns (Typ) at V CC = 3.3V
Low Power Dissipation: I CC = 4 A (Max) at T A = 25 C
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Low Noise: V OLP = 0.8V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
The MC74LVX244 is an advanced high speed CMOS non–inverting
1OE
1D0
1D1
1D2
1D3
V CC
1OE
20
1
1
2
4
6
8
2OE
1D0
19
2
Figure 1. 20–Lead Pinout (Top View)
1O0
2O0
18
3
Figure 2. Logic Diagram
18
16
14
12
2D0
1D1
17
4
1O0
1O1
1O2
1O3
1O1
2O1
16
5
2D1
1D2
15
6
2OE
2D0
2D1
2D2
2D3
1
1O2
2O2
14
7
19
17
15
13
11
2D2
1D3
13
8
1O3
2O3
12
9
GND
2D3
3
5
7
9
11
10
2O0
2O1
2O2
2O3
PIN NAMES
FUNCTION TABLE
Pins
nOE
1Dn, 2Dn
1On, 2On
1OE, 2OE
REV 0
H
L
L
LOW–VOLTAGE CMOS
MC74LVX244
20–LEAD SOIC EIAJ PACKAGE
LVX
INPUTS
20–LEAD TSSOP PACKAGE
20–LEAD SOIC PACKAGE
Function
Output Enable Inputs
Data Inputs
3–State Outputs
1Dn, 2Dn
CASE 751D–04
CASE 948E–02
CASE 967–01
DW SUFFIX
DT SUFFIX
M SUFFIX
H
X
L
OUTPUTS
1On, 2On
H
Z
L

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MC74LVX244 Summary of contents

Page 1

... SEMICONDUCTOR TECHNICAL DATA Octal Bus Buffer With 5V-Tolerant Inputs The MC74LVX244 is an advanced high speed CMOS non–inverting 3–state octal bus buffer and has two active low output enables also designed to work with 3–state memory address drivers, etc. The inputs tolerate voltages up to 7V, allowing the interface of 5V systems to 3V systems ...

Page 2

... MC74LVX244 Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î MAXIMUM RATINGS* Î Î Î Î ...

Page 3

... 50pF 3.3V, Measured in SOIC Package) Characteristic MC74LVX244 Î Î Î Î Î Î – Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

... MC74LVX244 1Dn, 2Dn 50% t PLH 1On, 2On 50 Figure 3. OUTPUT DEVICE UNDER TEST * Includes all probe and jig capacitance Figure 5. Propagation Delay Test Circuit MOTOROLA 4 DataSheet U .com SWITCHING WAVEFORMS V CC 1OE, 2OE GND t PHL 1On, 2On 1On, 2On TEST CIRCUITS ...

Page 5

... SECTION N– –V– DETAIL E 5 MC74LVX244 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.150 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0 ...

Page 6

... D 12.35 12.80 0.486 0.504 E 5.10 5.45 0.201 0.215 e 1.27 BSC 0.050 BSC H E 7.40 8.20 0.291 0.323 L 0.50 0.85 0.020 0.033 L E 1.10 1.50 0.043 0.059 0.70 0.90 0.028 0.035 Z ––– 0.81 ––– 0.032 Mfax is a trademark of Motorola, Inc. MC74LVX244/D LCX DATA BR1339 — REV 3 ...

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