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54F544FMQB датащи(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали 54F544FMQB
подробное описание детали  Octal Registered Transceiver
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

54F544FMQB датащи(HTML) 2 Page - National Semiconductor (TI)

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Connection Diagrams
Pin Assignment for
DIP SOIC and Flatpak
TLF9555 – 3
Pin Assignment
for LCC
TLF9555 – 4
Unit LoadingFan Out
54F74F
Pin Names
Description
UL
Input IIH IIL
HIGHLOW
Output IOH IOL
OEAB
A-to-B Output Enable Input (Active LOW)
1010
20 mA b06 mA
OEBA
B-to-A Output Enable Input (Active LOW)
1010
20 mA b06 mA
CEAB
A-to-B Enable Input (Active LOW)
1020
20 mA b12 mA
CEBA
B-to-A Enable Input (Active LOW)
1020
20 mA b12 mA
LEAB
A-to-B Latch Enable Input (Active LOW)
1010
20 mA b06 mA
LEBA
B-to-A Latch Enable Input (Active LOW)
1010
20 mA b06 mA
A0–A7
A-to-B Data Inputs or
351083
70 mA b650 mA
B-to-A TRI-STATE Outputs
15040(333)
b
3 mA24 mA (20 mA)
B0–B7
B-to-A Data Inputs or
351083
70 mA b650 mA
A-to-B TRI-STATE Outputs
6001066(80) b12 mA64 mA (48 mA)
Functional Description
The ’F544 contains two sets of eight D-type latches with
separate input and output controls for each set For data
flow from A to B for example the A-to-B Enable (CEAB)
input must be LOW in order to enter data from A0–A7 or
take data from B0–B7 as indicated in the Data IO Control
Table With CEAB LOW a LOW signal on the A-to-B Latch
Enable (LEAB) input makes the A-to-B latches transparent
a subsequent LOW-to-HIGH transition of the LEAB signal
puts the A latches in the storage mode and their outputs no
longer change with the A inputs With CEAB and OEAB both
LOW the TRI-STATE
B output buffers are active and re-
flect the data present at the output of the A latches Control
of data flow from B to A is similar but using the CEBA
LEBA and OEBA inputs
Data IO Control Table
Inputs
Latch Status
Output Buffers
CEAB
LEAB
OEAB
H
X
X
Latched
High Z
X
H
X
Latched
L
L
X
Transparent
X
X
H
High Z
L
X
L
Driving
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
A-to-B data flow shown B-to-A flow control is the same
except using CEBA LEBA and OEBA
2


Аналогичный номер детали - 54F544FMQB

производительномер деталидатащиподробное описание детали
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National Semiconductor ...
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Аналогичное описание - 54F544FMQB

производительномер деталидатащиподробное описание детали
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Fairchild Semiconductor
74F543 FAIRCHILD-74F543_00 Datasheet
78Kb / 7P
   Octal Registered Transceiver
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National Semiconductor ...
74FCT543A NSC-74FCT543A Datasheet
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Fairchild Semiconductor
74ABT2952 FAIRCHILD-74ABT2952 Datasheet
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   Octal Registered Transceiver
74F543 FAIRCHILD-74F543 Datasheet
67Kb / 7P
   Octal Registered Transceiver
74F544 FAIRCHILD-74F544 Datasheet
57Kb / 6P
   Octal Registered Transceiver
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NXP Semiconductors
74ABT2952 PHILIPS-74ABT2952 Datasheet
110Kb / 12P
   Octal registered transceiver 3-State
1998 Feb 11
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Motorola, Inc
MC74LCX646 MOTOROLA-MC74LCX646 Datasheet
169Kb / 10P
   LOW-VOLTAGE CMOS OCTAL TRANSCEIVER/ REGISTERED TRANSCEIVER
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ON Semiconductor
MC74LCX646 ONSEMI-MC74LCX646 Datasheet
169Kb / 10P
   LOW-VOLTAGE CMOS OCTAL TRANSCEIVER/ REGISTERED TRANSCEIVER
1996 REV 2
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Motorola, Inc
MC74LVQ646 MOTOROLA-MC74LVQ646 Datasheet
230Kb / 10P
   LOW-VOLTAGE CMOS OCTAL TRANSCEIVER/ REGISTERED TRANSCEIVER
logo
NXP Semiconductors
MB2052 PHILIPS-MB2052 Datasheet
105Kb / 7P
   Dual octal registered transceiver 3-State
August 23, 1993
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