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MM54C89 Datasheet(PDF) 3 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) 3 Page - National Semiconductor (TI)

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AC Electrical Characteristics TA e 25 C CL e 50 pF unless otherwise noted (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
tSR
Write Enable Setup
VCC e 5V
0
ns
Time for a Read
VCC e 10V
0
ns
tWS
Write Enable Setup
VCC e 5V
tME
ns
Time for a Write
VCC e 10V
tME
ns
tWE
Write Enable Pulse Width
VCC e 5V tWS e 0
300
160
ns
VCC e 10V tWS e 0
100
60
ns
tHD
Data Input Hold Time
VCC e 5V
50
ns
VCC e 10V
25
ns
tSD
Data Input Setup
VCC e 5V
50
ns
VCC e 10V
25
ns
t1H t0H
Propagation Delay from a Logical
VCC e 5V CL e 5 pF RL e 10k
180
300
ns
‘‘1’’ or Logical ‘‘0’’ to the High
VCC e 10V CL e 5 pF RL e 10k
b
85
120
ns
Impedance State from
Memory Enable
t1H t0H
Propagation Delay from a Logical
VCC e 50V CL e 5 pF RL e 10k
180
300
ns
‘‘1’’ or Logical ‘‘0’’ to the High
VCC e 10V CL e 5 pF RL e 10k
85
120
ns
Impedance State from
Write Enable
CIN
Input Capacity
Any Input (Note 2)
5
pF
COUT
Output Capacity
Any Output (Note 2)
65
pF
CPD
Power Dissipation Capacity
(Note 3)
230
pF
AC Parameters are guaranteed by DC correlated testing
Note 2
Capacitance is guaranteed by periodic testing
Note 3
CPD determines the no load AC power consumption of any CMOS device For complete explanation see 54C74C Family Characteristics application note
AN-90
AC Electrical Characteristics Guaranteed across the specified temperature range CL e 50 pF
MM54C89
MM74C89
Parameter
Conditions
TA eb55 Cto a125 CTA eb40 Cto a85 C
Units
Min
Max
Min
Max
tPD
VCC e 5V
700
600
ns
VCC e 10V
310
265
ns
VCC e 15V
250
210
ns
tACC
VCC e 5V
910
780
ns
VCC e 10V
400
345
ns
VCC e 15V
320
270
ns
tSA
VCC e 5V
210
180
ns
VCC e 10V
90
80
ns
VCC e 15V
70
60
ns
tHA
VCC e 5V
80
70
ns
VCC e 10V
55
50
ns
VCC e 15V
45
40
ns
tME
VCC e 5V
560
480
ns
VCC e 10V
210
180
ns
VCC e 15V
170
150
ns
tWE
VCC e 5V
420
360
ns
VCC e 10V
140
120
ns
VCC e 15V
110
100
ns
tHD
VCC e 5V
70
60
ns
VCC e 10V
35
30
ns
VCC e 15V
30
25
ns
AC Parameters are guaranteed by DC correlated testing
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