Motorola MC74LVX244D, MC74LVX244DT, MC74LVX244M Datasheet
SEMICONDUCTOR TECHNICAL DATA
1
REV 0
Motorola, Inc. 1997
6/97
The MC74LVX244 is an advanced high speed CMOS non–inverting
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.
• High Speed: t
PD
= 4.7ns (Typ) at VCC = 3.3V
• Low Power Dissipation: I
CC
= 4µA (Max) at TA = 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
Figure 1. 20–Lead Pinout (Top View)
Figure 2. Logic Diagram
1920 18 17 16 15 14
21 34567
V
CC
13
8
12
9
11
10
2OE
1O0 2D0 1O1 2D1 1O2 2D2 1O3 2D3
1OE
1D0 2O0 1D1 2O1 1D2 2O2 1D3 2O3 GND
1OE
1
1D0
2
1O0
18
1D1
4
1O1
16
1D2
6
1O2
14
1D3
8
1O3
12
2OE
19
2D0
17
2O0
3
2D1
15
2O1
5
2D2
13
2O2
7
2D3
11
2O3
9
LVX
LOW–VOLTAGE CMOS
DW SUFFIX
20–LEAD SOIC PACKAGE
CASE 751D–04
DT SUFFIX
20–LEAD TSSOP PACKAGE
CASE 948E–02
M SUFFIX
20–LEAD SOIC EIAJ PACKAGE
CASE 967–01
1OE, 2OE 1Dn, 2Dn 1On, 2On
L
L
H
L
H
X
L
H
Z
INPUTS OUTPUTS
FUNCTION TABLE
PIN NAMES
Function
Output Enable Inputs
Data Inputs
3–State Outputs
Pins
nOE
1Dn, 2Dn
1On, 2On
MC74LVX244
MOTOROLA LCX DATA
BR1339 — REV 3
2
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
V
CC
DC Supply Voltage
–0.5 to +7.0
V
V
in
DC Input Voltage
–0.5 to +7.0
V
V
out
DC Output Voltage
–0.5 to VCC +0.5
V
I
IK
Input Diode Current
–20
mA
I
OK
Output Diode Current
±20
mA
I
out
DC Output Current, per Pin
±25
mA
I
CC
DC Supply Current, VCC and GND Pins
±75
mA
P
D
Power Dissipation
180
mW
T
stg
Storage Temperature
–65 to +150
_
C
* Absolute maximum continuous ratings are those values beyond which damage to the device may occur. Exposure to these conditions or
conditions beyond those indicated may adversely affect device reliability. Functional operation under absolute–maximum–rated conditions is
not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
V
CC
DC Supply Voltage
2.0
3.6
V
V
in
DC Input Voltage
0
5.5
V
V
out
DC Output Voltage
0
V
CC
V
T
A
Operating Temperature, All Package Types
–40
+85
_
C
∆t/∆V
Input Rise and Fall Time
0
100
ns/V
DC ELECTRICAL CHARACTERISTICS
ОООООО
V
TA = 25°C
TA = – 40 to 85°C
Symbol
Parameter
ОООООО
Test Conditions
V
CC
V
Min
Typ
Max
Min
Max
Unit
ÎÎ
Î
V
IH
ОООООО
Î
High–Level Input Voltage
ОООООО
ОООООÎÎ
Î
2.0
3.0
3.6
ÎÎ
Î
1.5
2.0
2.4
ÎÎÎÎÎÎÎ
Î
1.5
2.0
2.4
ÎÎÎÎ
V
ÎÎ
Î
V
IL
ОООООО
Î
Low–Level Input Voltage
ОООООО
ОООООÎÎ
Î
2.0
3.0
3.6
ÎÎÎÎÎÎÎ
Î
0.5
0.8
0.8
ÎÎÎÎÎ
Î
0.5
0.8
0.8
Î
V
ÎÎ
Î
ÎÎ
Î
V
OH
ОООООО
Î
ОООООО
Î
High–Level Output Voltage
(Vin = VIH or VIL)
ОООООО
ООООО
Î
ООООО
Î
IOH = –50µA
IOH = –50µA
IOH = –4mA
Î
Î
Î
Î
2.0
3.0
3.0
ÎÎ
Î
ÎÎ
Î
1.9
2.9
2.58
Î
Î
Î
Î
2.0
3.0
ÎÎ
Î
ÎÎ
Î
ÎÎ
Î
ÎÎ
Î
1.9
2.9
2.48
ÎÎ
Î
ÎÎ
Î
Î
Î
V
ÎÎ
Î
V
OL
ОООООО
Î
Low–Level Output Voltage
(Vin = VIH or VIL)
ОООООО
ООООО
Î
IOL = 50µA
IOL = 50µA
IOL = 4mA
Î
Î
2.0
3.0
3.0
ÎÎÎÎ
Î
0.0
0.0
ÎÎ
Î
0.1
0.1
0.36
ÎÎÎÎÎ
Î
0.1
0.1
0.44
Î
V
I
in
Input Leakage Current
ОООООО
Vin = 5.5V or GND
3.6
±0.1
±1.0
µA
ÎÎ
Î
I
OZ
ОООООО
Î
Maximum Three–State
Leakage Current
ОООООО
ООООО
Î
Vin = VIL or V
IH
V
out
= VCC or GND
Î
Î
3.6
ÎÎÎÎÎÎÎ
Î
±0.25
ÎÎÎÎÎ
Î
±2.5
Î
µA
I
CC
Quiescent Supply Current
ОООООО
Vin = VCC or GND
3.6
4.0
40.0
µA
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