1Semiconductor
This Version: Dec.2000
FEDD514800ESL-01
MSM514800E/ESL
AC Characteristic (2/2)
(VCC = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3
Parameter
Symbol
Column Address Set-up Time
Column Address Hold Time
Column Address to RAS Lead Time
Read Command Set-up Time
Read Command Hold Time
Read Command Hold Time referenced to
RAS
Write Command Set-up Time
Write Command Hold Time
Write Command Pulse Width
OE Command Hold Time
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Data-in Set-up Time
Data-in Hold Time
OE to Data-in Delay Time
CAS to WE Delay Time
Column Address to WE Delay Time
RAS to WE Delay Time
CAS Precharge WE Delay Time
CAS Active Delay Time from RAS
Precharge
RAS to CAS Set-up Time
(CAS before RAS)
RAS to CAS Hold Time (CAS before RAS)
RAS Pulse Width
(CAS before RAS Self-Refresh)
RAS Precharge Time
(CAS before RAS Self-Refresh)
CAS Hold Time
(CAS before RAS Self-Refresh)
tASC
tCAH
tRAL
tRCS
tRCH
tRRH
tWCS
tWCH
tWP
tOEH
tRWL
tCWL
tDS
tDH
tOED
tCWD
tAWD
tRWD
tCPWD
tRPC
tCSR
tCHR
tRASS
tRPS
tCHS
MSM514800
E/ESL-60
Min.
0
10
30
0
0
Max.
0
0
10
10
15
15
15
0
10
15
40
55
85
60
5
10
10
100
110
−40
MSM514800
E/ESL-70
Min.
0
15
35
0
0
Max.
Unit Note
ns
ns
ns
ns
ns
8
0
ns
8
0
ns
9
15
ns
10
ns
20
ns
20
ns
20
ns
0
ns 10
15
ns 10
20
ns
50
ns
9
65
ns
9
100
ns
9
70
ns
9
5
ns
10
ns
10
ns
100
µs
11
130
ns 11
−50
ns 11
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