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74F189SC Scheda tecnica(PDF) 4 Page - Fairchild Semiconductor

Il numero della parte 74F189SC
Spiegazioni elettronici  64-Bit Random Access Memory with 3-STATE Outputs
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Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74F189SC Scheda tecnica(HTML) 4 Page - Fairchild Semiconductor

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4
AC Electrical Characteristics
AC Operating Requirements
Symbol
Parameter
TA = +25°CTA = −55°C to +125°CTA = 0°C to +70°C
Units
VCC = +5.0V
VCC = +5.0V
VCC = +5.0V
CL = 50 pF
CL = 50 pF
CL = 50 pF
Min
Typ
Max
Min
Max
Min
Max
tPLH
Access Time, HIGH or LOW
10.0
18.5
26.0
9.0
32.0
10.0
27.0
ns
tPHL
An to On
8.0
13.5
19.0
8.0
23.0
8.0
20.0
tPZH
Access Time, HIGH or LOW
3.5
6.0
8.5
3.5
10.5
3.5
9.5
ns
tPZL
CS to On
5.0
9.0
13.0
5.0
15.0
5.0
14.0
tPHZ
Disable Time, HIGH or LOW
2.0
4.0
6.0
2.0
8.0
2.0
7.0
ns
tPLZ
CS to On
3.0
5.5
8.0
2.5
10.0
3.0
9.0
tPZH
Write Recovery Time,
6.5
15.0
28.0
6.5
37.5
6.5
29.0
ns
tPZL
HIGH or LOW WE to On
6.5
11.0
15.5
6.5
17.5
6.5
16.5
tPHZ
Disable Time, HIGH or LOW
4.0
7.0
10.0
3.5
12.0
4.0
11.0
ns
tPLZ
WE to On
5.0
9.0
13.0
5.0
15.0
5.0
14.0
Symbol
Parameter
TA = +25°CTA = −55°C to +125°CTA = 0°C to +70°C
Units
VCC = +5.0V
VCC = +5.0V
VCC = +5.0V
Min
Max
Min
Max
Min
Max
tS(H)
Setup Time, HIGH or LOW
0
0
0
ns
tS(L)
An to WE
00
0
tH(H)
Hold Time, HIGH or LOW
2.0
2.0
2.0
tH(L)
An to WE
2.0
2.0
2.0
tS(H)
Setup Time, HIGH or LOW
10.0
11.0
10.0
ns
tS(L)
Dn to WE
10.0
11.0
10.0
tH(H)
Hold Time, HIGH or LOW
0
2.0
0
tH(L)
Dn to WE
02.0
0
tS(L)
Setup Time, LOW
0
0
0
ns
CS to WE
tH(L)
Hold Time, LOW
6.0
7.5
6.0
CS to WE
tW(L)
WE Pulse Width, LOW
6.0
15.0
6.0
ns


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