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PDF MC54HCT244A Data sheet ( Hoja de datos )
| Número de pieza | MC54HCT244A | |
| Descripción | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Octal 3-State Noninverting
Buffer/Line Driver/
Line Receiver with
LSTTL-Compatible Inputs
High–Performance Silicon–Gate CMOS
The MC54/74HCT244A is identical in pinout to the LS244. This device
may be used as a level converter for interfacing TTL or NMOS outputs to
High–Speed CMOS inputs. The HCT244A is an octal noninverting buffer
line driver line receiver designed to be used with 3–state memory address
drivers, clock drivers, and other bus–oriented systems. The device has
non–inverted outputs and two active–low output enables.
The HCT244A is the noninverting version of the HCT240. See also
HCT241.
• Output Drive Capability: 15 LSTTL Loads
• TTL NMOS–Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1 µA
• In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
• Chip Complexity: 112 FETs or 28 Equivalent Gates
A1 2
A2 4
A3 6
A4 8
DATA INPUTS
B1 11
B2 13
B3 15
LOGIC DIAGRAM
18 YA1
16 YA2
14 YA3
12 YA4
9 YB1
NONINVERTING
OUTPUTS
7 YB2
5 YB3
MC54/74HCT244A
20
1
J SUFFIX
CERAMIC PACKAGE
CASE 732–03
20
1
20
1
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
DW SUFFIX
SOIC PACKAGE
CASE 751D–04
20
1
SD SUFFIX
SSOP PACKAGE
CASE 940C–03
20
1
DT SUFFIX
TSSOP PACKAGE
CASE 948E–02
ORDERING INFORMATION
MC54HCTXXXAJ
Ceramic
MC74HCTXXXAN
Plastic
MC74HCTXXXADW SOIC
MC74HCTXXXASD SSOP
MC74HCTXXXADT TSSOP
PIN ASSIGNMENT
ENABLE A
A1
YB4
A2
YB3
A3
YB2
A4
YB1
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 ENABLE B
18 YA1
17 B4
16 YA2
15 B3
14 YA3
13 B2
12 YA4
11 B1
B4 17
OUTPUT ENABLE A 1
ENABLES ENABLE B 19
3 YB4
PIN 20 = VCC
PIN 10 = GND
FUNCTION TABLE
Inputs
Enable A,
Enable B A, B
Outputs
YA, YB
LLL
L HH
HXZ
Z = high impedance
X = don’t care
2/97
© Motorola, Inc. 1997
1
REV 7
1 page  
MC54/74HCT244A
20
1
A
F
H
D
SEATING
PLANE
–A–
20
1
–T–
SEATING
PLANE
E
GF
11
10
B
OUTLINE DIMENSIONS
J SUFFIX
CERAMIC PACKAGE
CASE 732–03
ISSUE E
CL
N
K
G
J
M
NOTES:
1. LEADS WITHIN 0.25 (0.010) DIAMETER, TRUE
POSITION AT SEATING PLANE, AT MAXIMUM
MATERIAL CONDITION.
2. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
3. DIMENSIONS A AND B INCLUDE MENISCUS.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 23.88 25.15 0.940 0.990
B 6.60 7.49 0.260 0.295
C 3.81 5.08 0.150 0.200
D 0.38 0.56 0.015 0.022
F 1.40 1.65 0.055 0.065
G 2.54 BSC
0.100 BSC
H 0.51 1.27 0.020 0.050
J 0.20 0.30 0.008 0.012
K 3.18 4.06 0.125 0.160
L 7.62 BSC
0.300 BSC
M 0_ 15_ 0_ 15_
N 0.25 1.02 0.010 0.040
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
11 ISSUE E
B
10
CL
K
N
D 20 PL
0.25 (0.010) M T A M
M
J 20 PL
0.25 (0.010) M
TBM
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
INCHES
DIM MIN MAX
A 1.010 1.070
B 0.240 0.260
C 0.150 0.180
D 0.015 0.022
E 0.050 BSC
F 0.050 0.070
G 0.100 BSC
J 0.008 0.015
K 0.110 0.140
L 0.300 BSC
M 0_ 15_
N 0.020 0.040
MILLIMETERS
MIN MAX
25.66 27.17
6.10 6.60
3.81 4.57
0.39 0.55
1.27 BSC
1.27 1.77
2.54 BSC
0.21 0.38
2.80 3.55
7.62 BSC
0_ 15_
0.51 1.01
DW SUFFIX
–A–
20 11
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
–B– 10X P
4. MAXIMUM MOLD PROTRUSION 0.150
(0.006) PER SIDE.
0.010 (0.25) M B M
5. DIMENSION D DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
1 10
DAMBAR PROTRUSION SHALL BE 0.13
(0.005) TOTAL IN EXCESS OF D DIMENSION
AT MAXIMUM MATERIAL CONDITION.
20X D
0.010 (0.25) M T A S B S
J
F
18X G
C
–T–
SEATING
PLANE
K
M
R X 45_
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 12.65 12.95 0.499 0.510
B 7.40 7.60 0.292 0.299
C 2.35 2.65 0.093 0.104
D 0.35 0.49 0.014 0.019
F 0.50 0.90 0.020 0.035
G 1.27 BSC
0.050 BSC
J 0.25 0.32 0.010 0.012
K 0.10 0.25 0.004 0.009
M 0 _ 7_ 0_ 7_
P 10.05 10.55 0.395 0.415
R 0.25 0.75 0.010 0.029
High–Speed CMOS Logic Data
DL129 — Rev 6
5
MOTOROLA
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet MC54HCT244A.PDF ] | |
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