PEDD514260ESL-01
MSM514260E/ESL
AC Characteristic (1/2)
(VCC = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3
MSM514260
E/ESL-60
MSM514260
E/ESL-70
Parameter
Symbol
Unit Note
Min.
110
155
40
Max.
Min.
130
185
45
Max.
t
ns
ns
ns
ns
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write Cycle Time
Access Time from RAS
RC
t
RWC
t
PC
t
85
100
PRWC
t
60
15
30
35
15
70
20
35
40
20
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
ns
4,5,6
4,5
4,6
4,12
4
RAC
t
Access Time from CAS
CAC
t
Access Time from Column Address
Access Time from CAS Precharge
Access Time from OE
AA
t
CPA
t
OEA
t
0
0
0
3
0
0
0
3
4
Output Low Impedance Time from CAS
CAS to Data Output Buffer Turn-off Delay Time
OE to Data Output Buffer Turn-off Delay Time
Transition Time
CLZ
t
15
15
50
8
15
15
50
8
7
OFF
t
7
OEZ
t
T
3
t
Refresh Period
REF
t
128
128
15
Refresh Period (SL version)
REF
t
40
60
60
15
15
10
15
60
5
50
70
70
20
20
10
20
70
5
RAS Precharge Time
RP
t
10,000
10,000 ns
RAS Pulse Width
RAS
t
100,000
100,000 ns
RAS Pulse Width (Fast Page Mode)
RAS Hold Time
RASP
t
ns
RSH
t
ns
RAS Hold Time referenced to OE
CAS Precharge Time (Fast Page Mode)
CAS Pulse Width
ROH
t
ns
14
CP
t
10,000
10,000 ns
CAS
t
ns
ns
ns
CAS Hold Time
CSH
t
12
12
5
CAS to RAS Precharge Time
RAS Hold Time from CAS Precharge
RAS to CAS Delay Time
CRP
t
35
20
15
0
40
20
15
0
RHCP
t
45
30
50
35
ns
ns
ns
ns
ns
RCD
t
6
RAS to Column Address Delay Time
Row Address Set-up Time
RAD
t
ASR
t
10
0
10
0
Row Address Hold Time
RAH
t
11
11
Column Address Set-up Time
Column Address Hold Time
ASC
t
10
15
ns
CAH
6/14
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