74F544 National Semiconductor, 74F544 Datasheet

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74F544

Manufacturer Part Number
74F544
Description
Manufacturer
National Semiconductor
Datasheet

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C 1995 National Semiconductor Corporation
54F 74F544
Octal Registered Transceiver
General Description
The ’F544 octal transceiver contains two sets of D-type
latches for temporary storage of data flowing in either direc-
tion Separate Latch Enable and Output Enable inputs are
provided for each register to permit independent control of
inputting and outputting in either direction of data flow The
A outputs are guaranteed to sink 24 mA (20 mA Mil) while
the B outputs are rated for 64 mA (48 mA Mil) The ’F544
inverts data in both directions
Logic Symbols
TRI-STATE is a registered trademark of National Semiconductor Corporation
Note 1 Devices also available in 13 reel Use suffix
Note 2 Military grade device with environmental and burn-in processing Use suffix
74F544SPC
74F544SC (Note 1)
74F544MSA (Note 1)
Commercial
54F544DM (Note 2)
54F544SDM (Note 2)
54F544FM (Note 2)
54F544LM (Note 2)
TL F 9555
Military
e
SCX and MSAX
TL F 9555 – 2
N24C
J24A
J24F
M24B
MSA24
W24C
E28A
Package
Number
Features
Y
Y
Y
Y
Y
8-bit octal transceiver
Back-to-back registers for storage
Separate controls for data flow in each direction
A outputs sink 24 mA (20 mA Mil) B outputs sink
64 mA (48 mA Mil)
300 mil slim PDIP
24-Lead (0 300 Wide) Molded Dual-In-Line
24-Lead Ceramic Dual-In-Line
24-Lead (0 300 Wide) Ceramic Dual-In-Line
24-Lead (0 300 Wide) Molded Small Outline JEDEC
24-Lead Molded Shrink Small Outline EIAJ Type II
24-Lead Cerpack
24-Lead Ceramic Leadless Chip Carrier Type C
e
DMQB FMQB and LMQB
IEEE IEC
Package Description
RRD-B30M75 Printed in U S A
December 1994
TL F 9555 – 1

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74F544 Summary of contents

Page 1

... Commercial Military 74F544SPC 54F544DM (Note 2) 54F544SDM (Note 2) 74F544SC (Note 1) 74F544MSA (Note 1) 54F544FM (Note 2) 54F544LM (Note 2) Note 1 Devices also available in 13 reel Use suffix Note 2 Military grade device with environmental and burn-in processing Use suffix Logic Symbols TRI-STATE is a registered trademark of National Semiconductor Corporation ...

Page 2

Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Unit Loading Fan Out Pin Names Description OEAB A-to-B Output Enable Input (Active LOW) OEBA B-to-A Output Enable Input (Active LOW) CEAB A-to-B Enable Input (Active LOW) CEBA B-to-A Enable Input ...

Page 3

Logic Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays 9555 – 5 ...

Page 4

... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Storage Temperature b Ambient Temperature under Bias b Junction Temperature under Bias b Plastic b V Pin Potential to CC Ground Pin Input Voltage (Note 2) ...

Page 5

DC Electrical Characteristics Symbol Parameter I Output Short-Circuit Current OS I Bus Drainage Test ZZ I Power Supply Current CCH I Power Supply Current CCL I Power Supply Current CCZ AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH t ...

Page 6

Ordering Information The device number is used to form part of a simplified purchasing code where the package type and temperature range are defined as follows Temperature Range Family 74F Commercial e 54F Military e Device Type Package Code SP ...

Page 7

Physical Dimensions inches (millimeters) 28-Lead Ceramic Leadless Chip Carrier (L) 24-Lead Ceramic Dual-In-Line Package (D) NS Package Number E28A NS Package Number J24A 7 ...

Page 8

Physical Dimensions inches (millimeters) (Continued) 24-Lead (0 300 Wide) Ceramic Dual-In-Line Package (SD) 24-Lead (0 300 Wide) Molded Small Outline Package JEDEC (S) NS Package Number J24F NS Package Number M24B 8 ...

Page 9

Physical Dimensions inches (millimeters) (Continued) 24-Lead Molded Shrink Small Outline EIAJ Type II (MSA) 24-Lead (0 300 Wide) Molded Dual-In-Line Package (SP) NS Package Number MSA24 NS Package Number N24C 9 ...

Page 10

... National Semiconductor National Semiconductor National Semiconductores Japan Ltd Hong Kong Ltd Do Brazil Ltda Sumitomo Chemical 13th Floor Straight Block ...

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