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74F189 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 74F189
Description  64-Bit Random Access Memory with TRI-STATEE Outputs
PDF  8 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

74F189 Datasheet(HTML) 4 Page - National Semiconductor (TI)

  74F189 Datasheet HTML 1Page - National Semiconductor (TI) 74F189 Datasheet HTML 2Page - National Semiconductor (TI) 74F189 Datasheet HTML 3Page - National Semiconductor (TI) 74F189 Datasheet HTML 4Page - National Semiconductor (TI) 74F189 Datasheet HTML 5Page - National Semiconductor (TI) 74F189 Datasheet HTML 6Page - National Semiconductor (TI) 74F189 Datasheet HTML 7Page - National Semiconductor (TI) 74F189 Datasheet HTML 8Page - National Semiconductor (TI)  
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AC Electrical Characteristics
74F
54F
74F
TA ea25 C
TA VCC e Mil
TA VCC e Com
Symbol
Parameter
VCC ea50V
CL e 50 pF
CL e 50 pF
Units
CL e 50 pF
Min
Typ
Max
Min
Max
Min
Max
tPLH
Access Time HIGH or LOW
100
185
260
90
320
100
270
ns
tPHL
An to On
80
135
190
80
230
80
200
tPZH
Access Time HIGH or LOW
35
60
85
35
105
35
95
ns
tPZL
CS to On
50
90
130
50
150
50
140
tPHZ
Disable Time HIGH or LOW
20
40
60
20
80
20
70
ns
tPLZ
CS to On
30
55
80
25
100
30
90
tPZH
Write Recovery Time
65
150
280
65
375
65
290
ns
tPZL
HIGH or LOW WE to On
65
110
155
65
175
65
165
tPHZ
Disable Time HIGH or LOW
40
70
100
35
120
40
110
ns
tPLZ
WE to On
50
90
130
50
150
50
140
AC Operating Requirements
74F
54F
74F
Symbol
Parameter
TA ea25 C
TA VCC e Mil
TA VCC e Com
Units
VCC ea50V
Min
Max
Min
Max
Min
Max
ts(H)
Setup Time HIGH or LOW
0
0
0
ts(L)
An to WE
000
th(H)
Hold Time HIGH or LOW
20
20
20
ns
th(L)
An to WE
20
20
20
ts(H)
Setup Time HIGH or LOW
100
110
100
ts(L)
Dn to WE
100
110
100
th(H)
Hold Time HIGH or LOW
0
20
0
ns
th(L)
Dn to WE
0
20
0
ts(L)
Setup Time LOW
000
CS to WE
th(L)
Hold Time LOW
60
75
60
ns
CS to WE
tw(L)
WE Pulse Width LOW
60
150
60
ns
TA eb55 Cto a125 C
4



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