74F189 datasheet(6/10 Pages) PHILIPS

No. de pieza	74F189

Descripción Electrónicos	64-bit TTL bipolar RAM, inverting 3-State

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Fabricante Electrónico	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74F189A

64-bit TTL bipolar RAM, inverting (3-State)

1990 Feb 23

6

VM

Qn

CE

tPZH

tPZL

NOTE:

For all waveforms, VM = 1.5V.

SF00304

Waveform 2. Read cycle, chip enable access time

VM

Qn

CE

tPHZ

tPLZ

NOTE:

For all waveforms, VM = 1.5V.

SF00305

Waveform 3. Read cycle, chip disable time

AC WAVEFORMS FOR WRITE CYCLE

VM

An

tsu (H or L)

tPZH

VM

Qn

tPHZ

tPLZ

VM

Dn

VM

CE

VM

WE

th (H or L)

VM

th (H or L)

tsu ( L)

tsu (H or L)

th ( L)

tw ( L)

VM

Hi–Z

tPZL

NOTE:

For all waveforms, VM = 1.5V.

SF00306

Waveform 4. Write cycle

Número de pieza similar - 74F189

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
National Semiconductor ...	74F189	166Kb / 8P	64-Bit Random Access Memory with TRI-STATEE Outputs
Fairchild Semiconductor	74F189	58Kb / 6P	64-Bit Random Access Memory with 3-STATE Outputs
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Fairchild Semiconductor	74F189PC	58Kb / 6P	64-Bit Random Access Memory with 3-STATE Outputs
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74F189 Datasheet(PDF) 6 Page - NXP Semiconductors

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