74F544

Manufacturer Part Number74F544
ManufacturerNational Semiconductor
74F544 datasheet
 


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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
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
C 1995 National Semiconductor Corporation
TL F 9555
Features
8-bit octal transceiver
Y
Back-to-back registers for storage
Y
Separate controls for data flow in each direction
Y
A outputs sink 24 mA (20 mA Mil) B outputs sink
Y
64 mA (48 mA Mil)
300 mil slim PDIP
Y
Package
Package Description
Number
N24C
24-Lead (0 300 Wide) Molded Dual-In-Line
J24A
24-Lead Ceramic Dual-In-Line
J24F
24-Lead (0 300 Wide) Ceramic Dual-In-Line
M24B
24-Lead (0 300 Wide) Molded Small Outline JEDEC
MSA24
24-Lead Molded Shrink Small Outline EIAJ Type II
W24C
24-Lead Cerpack
E28A
24-Lead Ceramic Leadless Chip Carrier Type C
SCX and MSAX
e
DMQB FMQB and LMQB
e
IEEE IEC
TL F 9555 – 2
December 1994
TL F 9555 – 1
RRD-B30M75 Printed in U S A

74F544 Summary of contents