Q67100-Q851 View Datasheet(PDF) - Infineon Technologies
Part Name
Description
Manufacturer
Q67100-Q851 Datasheet PDF : 22 Pages
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HYB 514800BJ -60/-70/-80
512k x 8 DRAM
AC Characteristics (cont’d)4)
TA = 0 to 70 ˚C; VCC = 5 V ± 10 %; tT = 5 ns
Parameter
Symbol
-60
min. max.
RAS to CAS
delay time 11)
tRCD
20
40
RAS to column
address delay
time 12)
tRAD
15
30
CAS to RAS
tCRP
5
–
precharge time
CAS precharge time tCP
10
–
Row address setup tASR
0
–
time
Row address hold tRAH
10
–
time
Column address
tASC
0
–
setup time
Column address hold tCAH
15
–
time
Column address to tRAL
30
–
RAS lead time
Read command
tRCS
0
–
setup time
Read command hold tRCH
0
–
time 8)
Read command hold tRRH
0
–
time ref. to RAS 8)
Write command hold tWCH
10
–
time
Write command hold tWCR
50
–
time ref. to RAS
Write command
tWP
10
–
pulse width
Write command to tRWL
20
–
RAS lead time
Write command to tCWL
20
–
CAS lead time
Data setup time 9)
tDS
0
–
Limit Values
-70
min. max.
20
50
min.
20
-80
max.
60
15
35
15
40
5
–
10
–
0
–
10
–
0
–
15
–
35
–
0
–
0
–
0
–
15
–
55
–
15
–
20
–
20
–
0
–
10
–
10
–
0
–
10
–
0
–
15
–
40
–
0
–
0
–
0
–
15
–
60
–
15
–
20
–
20
–
0
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Semiconductor Group
131
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