MC54-74HC244A MOTOROLA [Motorola, Inc], MC54-74HC244A Datasheet

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MC54-74HC244A

Manufacturer Part Number
MC54-74HC244A
Description
Octal 3-State Noninverting Buffer/Line Driver/Line Receiver
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
Octal 3-State Noninverting
Buffer/Line Driver/
Line Receiver
High–Performance Silicon–Gate CMOS
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
used with 3–state memory address drivers, clock drivers, and other
bus–oriented systems. The device has noninverting outputs and two
active–low output enables.
2/97
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
ENABLES
OUTPUT
Motorola, Inc. 1997
The MC54/74HC244A is identical in pinout to the LS244. The device
This octal noninverting buffer/line driver/line receiver is designed to be
The HC244A is similar in function to the HC240A and HC241A.
Output Drive Capability: 15 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2 to 6 V
Low Input Current: 1 A
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 136 FETs or 34 Equivalent Gates
INPUTS
DATA
ENABLE A
ENABLE B
A1
A2
A3
A4
B1
B2
B3
B4
2
4
6
8
11
13
15
17
1
19
LOGIC DIAGRAM
1
PIN 20 = V CC
PIN 10 = GND
18
16
14
12
9
7
5
3
YA1
YA2
YA3
YA4
YB1
YB2
YB3
YB4
NONINVERTING
OUTPUTS
REV 7
MC54/74HC244A
20
20
ENABLE A
20
20
20
1
1
Z = high impedance
MC54HCXXXAJ
MC74HCXXXAN
MC74HCXXXADW
MC74HCXXXASD
MC74HCXXXADT
Enable A,
Enable B
ORDERING INFORMATION
GND
YB3
1
YB4
YB2
YB1
1
1
A1
A2
A3
A4
PIN ASSIGNMENT
FUNCTION TABLE
H
L
L
Inputs
1
2
3
4
5
6
7
8
9
10
A, B
H
X
L
CERAMIC PACKAGE
PLASTIC PACKAGE
TSSOP PACKAGE
SSOP PACKAGE
SOIC PACKAGE
20
19
18
17
16
15
14
13
12
11
CASE 940C–03
CASE 751D–04
CASE 948E–02
CASE 732–03
CASE 738–03
Outputs
DW SUFFIX
YA, YB
SD SUFFIX
DT SUFFIX
N SUFFIX
J SUFFIX
Ceramic
Plastic
SOIC
SSOP
TSSOP
H
Z
V CC
ENABLE B
YA1
B4
YA2
B3
YA3
B2
YA4
B1
L

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MC54-74HC244A Summary of contents

Page 1

... Buffer/Line Driver/ Line Receiver High–Performance Silicon–Gate CMOS The MC54/74HC244A is identical in pinout to the LS244. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. This octal noninverting buffer/line driver/line receiver is designed to be used with 3– ...

Page 2

... MC54/74HC244A 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 Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 3

... MC54/74HC244A Î Î Î Î Î Î Î Î Î Î Î Î Guaranteed Limit Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

... MC54/74HC244A t r DATA INPUT 90% 50 10% t PLH 90% OUTPUT 50 10% t TLH Figure 1. TEST POINT OUTPUT DEVICE UNDER TEST * Includes all probe and jig capacitance Figure 3. Test Circuit INPUTS A1, A2, A3, A4, B1, B2, B3, B4 (Pins 11, 13, 15, 17) Data input pins. Data on these pins appear in noninverted form on the corresponding Y outputs, when the outputs are enabled ...

Page 5

... DATA INPUT ENABLE A OR ENABLE B High–Speed CMOS Logic Data DL129 — Rev 6 LOGIC DETAIL TO THREE OTHER INVERTERS 5 MC54/74HC244A ONE OF 8 INVERTERS MOTOROLA ...

Page 6

... MC54/74HC244A SEATING PLANE –A– –T– SEATING PLANE –A– –B– 20X 0.010 (0.25 18X K MOTOROLA OUTLINE DIMENSIONS J SUFFIX CERAMIC PACKAGE CASE 732–03 ISSUE ...

Page 7

... DETAIL DETAIL E 7 MC54/74HC244A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION ...

Page 8

... MC54/74HC244A Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...

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