HYM364020S Ver la hoja de datos (PDF) - Siemens AG
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HYM364020S Datasheet PDF : 10 Pages
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HYM 364020S/GS-60
4M × 36-Bit
AC Characteristics (contd’ ) 5)6)
TA = 0 to 70 °C,VCC = 5 V ± 10 %, tT = 5 ns
Parameter
Symbol
Limit Values
Unit Note
-60
min.
max.
Early Write Cycle
Write command hold time
Write command pulse width
Write command setup time
Write command to RAS lead time
Write command to CAS lead time
Data setup time
Data hold time
Fast Page Mode Cycle
Fast page mode cycle time
CAS precharge time
Access time from CAS precharge
RAS pulse width
CAS precharge to RAS Delay
CAS-before-RAS Refresh Cycle
CAS setup time
CAS hold time
RAS to CAS precharge time
Write to RAS precharge time
Write hold time referenced to RAS
tWCH
10
–
tWP
10
–
tWCS
0
–
tRWL
15
–
tCWL
15
–
tDS
0
–
tDH
10
–
ns
ns
ns 13
ns
ns
ns 14
ns 14
tPC
40
tCP
10
tCPA
–
tRAS
60
tRHCP 35
–
ns
–
ns
35
ns 7
200k ns
–
ns
tCSR
10
–
ns
tCHR
10
–
ns
tRPC
5
–
ns
tWRP
10
–
ns
tWRH
10
–
ns
Semiconductor Group
8
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