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MM54C89 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # MM54C89
Description  64-Bit TRI-STATE Random Access Read/Write Memory
PDF  6 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

MM54C89 Datasheet(HTML) 4 Page - National Semiconductor (TI)

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AC Electrical Characteristics
Guaranteed across the specified temperature range CL e 50 pF (Continued)
MM54C89
MM74C89
Parameter
Conditions
TA eb55 Cto a125 CTA eb40 Cto a85 C
Units
Min
Max
Min
Max
tSD
VCC e 5V
70
60
ns
VCC e 10V
35
30
ns
VCC e 15V
30
25
ns
t1H t0H
VCC e 5V
420
360
ns
VCC e 10V CL e 5 pF
170
145
ns
VCC e 15V RL e 10 kX
135
115
ns
AC Parameters are guaranteed by DC correlated testing
Truth Table
ME
WE
Operation
Condition of Outputs
L
L
Write
TRI-STATE
L
H
Read
Complement of Selected Word
H
L
Inhibit Storage
TRI-STATE
H
H
Inhibit Storage
TRI-STATE
AC Test Circuits
t0H
TLF5888 – 4
t1H
TLF5888 – 3
Switching Time Waveforms
t0H
TLF5888 – 5
t1H
TLF5888 – 6
Read Cycle
TLF5888 – 7
Write Cycle
TLF5888 – 8
4



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