MC74F544N Motorola, MC74F544N Datasheet
MC74F544N
Manufacturer Part Number
MC74F544N
Description
Octal registered transceiver,inverting,3-state
Manufacturer
Motorola
Datasheet
1.MC74F544N.pdf
(4 pages)
OCTAL REGISTERED
TRANSCEIVER, INVERTING,
3-STATE
latches for temporary storage of data flowing in either direction. Separate
Latch Enable (LEAB, LEBA) and Enable (OEAB, OEBA) inputs are provided
for each register to permit independent control of inputting and outputting in
either direction of data flow. The MC74F544 has an inverting data path. The
A outputs are guaranteed to sink 24 mA while the B outputs are rated for
64 mA.
GUARANTEED OPERATING RANGES
V CC
T A
I OH
I OL
The MC74F544 Octal Registered Transceivers contain two sets of D-Type
Symbol
Combines 74F245 and 74F373 Type Functions in One Chip
8-Bit Octal Transceiver
Inverting
Back-to-Back Registers for Storage
Separate Controls for Data Flow in Each Direction
Glitchless Outputs During 3-State Power Up or Power Down Operation
High Impedance Outputs in Power Off State
A Outputs Sink 24 mA and Source 3.0 mA
B Outputs Sink 64 mA and Source 15 mA
See F543 for Noninverting Version
ESD Protection > 4000 Volts
LEBA
V CC EBA
24
1
OEBA A0
DC Supply Voltage
Operating Ambient Temperature Range
Output Current — High
Output Current — Low
23
2
22
B0
3
B1
A1
21
4
PIN ASSIGNMENT
B2
A2
20
5
B3
19
A3
6
B4
18
A4
7
Parameter
A5
B5
17
8
A6
B6
16
9
FAST AND LS TTL DATA
10
B7
A7
15
LEAB
EAB GND
14
11
4-216
OEAB
13
12
74
74
74
74
Min
4.5
—
—
0
24
TRANSCEIVER, INVERTING,
ORDERING INFORMATION
1
24
OCTAL REGISTERED
FAST
MC74FXXXN
MC74FXXXDW SOIC
MC74F544
Typ
5.0
25
—
—
1
3-STATE
SCHOTTKY TTL
– 3.0 / – 15
24 / 64
Max
5.5
70
Plastic
CASE 751E-03
CASE 724-03
DW SUFFIX
N SUFFIX
PLASTIC
SOIC
Unit
mA
mA
V
C
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MC74F544N Summary of contents
Page 1
OCTAL REGISTERED TRANSCEIVER, INVERTING, 3-STATE The MC74F544 Octal Registered Transceivers contain two sets of D-Type latches for temporary storage of data flowing in either direction. Separate Latch Enable (LEAB, LEBA) and Enable (OEAB, OEBA) inputs are provided for each register ...
Page 2
FUNCTION TABLE Inputs OEXX EXX LEXX HIGH voltage level HIGH state must be ...
Page 3
AC ELECTRICAL CHARACTERISTICS Symbol Symbol Symbol Parameter Parameter Parameter Propagation Delay t PLH Transparent Mode t PHL PLH Propagation Delay t PHL LEBA PLH ...
Page 4
MC74F544 LOGIC DIAGRAM DETAIL OEBA EBA LEBA NOTE: Please note that this diagram is provided only for the ...