CD4515BC datasheet(5/6 Pages) NSC

Teilenummer	CD4515BC

Bauteilbeschribung	4-Bit Latched/4-to-16 Line Decoders

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Hersteller	NSC [National Semiconductor (TI)]

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Applications

Two CD4512 8-channel data selectors are used here with

the CD4514B 4-bit latchdecoder to effect a complex data

routing system A total of 16 inputs from data registers are

selected and transferred via a TRI-STATE

data bus to a

data distributor for rearrangement and entry into 16 output

registers In this way sequential data can be re-routed or

intermixed according to patterns determined by data select

and distribution inputs

Data is placed into the routing scheme via the 8 inputs on

both CD4512 data selectors One register is assigned to

each input The signals on A0 A1 and A2 choose 1-of-8

inputs for transfer out to the TRI-STATE data bus A fourth

signal labelled Dis disables one of the CD4512 selectors

assuring transfer of data from only one register

In addition to a choice of input registers 1 – 16 the rate of

transfer of the sequential information can also be varied

That is if the CD4512 were addressed at a rate that is

8 times faster than the shift frequency of the input registers

the most significant bit (MSB) from each register could be

selected for transfer to the data bus Therefore all of the

most significant bits from all of the registers can be trans-

ferred to the data bus before the next most significant bit is

presented for transfer by the input registers

Information from the TRI-STATE bus is redistributed by the

CD4514B 4-bit latchdecoder Using the 4-bit address

INA – IND the information on the inhibit line can be trans-

ferred to the addressed output line to the desired output

registers A – P This distribution of data bits to the output

registers can be made in many complex patterns For exam-

ple all of the most significant bits from the input registers

can be routed into output register A all of the next most

significant bits into register B etc In this way horizontal

vertical or other methods of data slicing can be implement-

ed

TLF5994 – 5

5

Ähnliche Beschreibung - CD4515BC

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Fairchild Semiconductor	CD4514BC	84Kb / 8P	4-Bit Latched/4-to-16 Line Decoders
Fairchild Semiconductor	CD4514BC	235Kb / 8P	4-Bit Latched/4-to-16 Line Decoders
Intersil Corporation	CD4514BMS	340Kb / 9P	CMOS 4-Bit Latch/4-to-16 Line Decoders
Texas Instruments	CD4514B	1Mb / 15P	[Old version datasheet] Cmos 4-Bit Latch/4-to-16 Line Decoders
	CD4514BM96G4	978Kb / 15P	[Old version datasheet] CMOS 4-Bit Latch 4-to-16 Line Decoders
	CD4514BM96G4	995Kb / 15P	[Old version datasheet] CMOS 4-BIT LATCH/4-TO-16 LINE DECODERS
Intersil Corporation	CD4514BMS	92Kb / 9P	CMOS 4-Bit Latch/4-to-16 Line Decoders December 1992
Texas Instruments	CD4514B	222Kb / 12P	[Old version datasheet] CMOS 4-BIT LATCH/4-TO-16 LINE DECODERS
National Semiconductor ...	54154	116Kb / 6P	4-Line to 16-Line Decoders/Demultiplexers
National Semiconductor ...	DM54LS154	120Kb / 6P	4-Line to 16-Line Decoders/Demultiplexers

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CD4515BC Datenblatt(PDF) 5 Page - National Semiconductor (TI)

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