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MSM5117405C Datasheet PDF : 18 Pages
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MSM5117405C
AC Characteristics (1/2)
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3, 12, 13
Parameter
MSM5117405 MSM5117405 MSM5117405
Symbol C-50
C-60
C-70
Unit Note
Min. Max. Min. Max. Min. Max.
Random Read or Write Cycle Time
tRC 84 — 104 — 124 — ns
Read Modify Write Cycle Time
tRWC 110 — 135 — 160 — ns
Fast Page Mode Cycle Time
tHPC 20 — 25 — 30 — ns
Fast Page Mode Read Modify Write
Cycle Time
tHPRWC 58
—
68
—
78
— ns
Access Time from RAS
Access Time from CAS
tRAC — 50 — 60 — 70 ns 4, 5, 6
tCAC — 13 — 15 — 20 ns 4, 5
Access Time from Column Address
Access Time from CAS Precharge
tAA — 25 — 30 — 35 ns 4, 6
tCPA —
30
—
35
—
40 ns 4
Access Time from OE
tOEA — 13 — 15 — 20 ns 4
Output Low Impedance Time from CAS
tCLZ
0
—
0
—
0
— ns 4
Data Output Hold After CAS Low
tDOH 5
—
5
—
5
— ns
CAS to Data Output Buffer Turn-off Delay Time tCEZ 0
13
0
15
0
20 ns 7, 8
RAS to Data Output Buffer Turn-off Delay Time tREZ 0
13
0
15
0
20 ns 7, 8
OE to Data Output Buffer Turn-off Delay Time tOEZ 0
13
0
15
0
20 ns 7
WE to Data Output Buffer Turn-off Delay Time tWEZ 0
13
0
15
0
20 ns 7
Transition Time
tT
1
50
1
50
1
50 ns 3
Refresh Period
tREF — 32 — 32 — 32 ms
RAS Precharge Time
tRP 30 — 40 — 50 — ns
RAS Pulse Width
tRAS 50 10,000 60 10,000 70 10,000 ns
RAS Pulse Width (Fast Page Mode with EDO) tRASP 50 100,000 60 100,000 70 100,000 ns
RAS Hold Time
RAS Hold Time referenced to OE
tRSH 7
—
10 — 13 — ns
tROH 7
—
10 — 13 — ns
CAS Precharge Time (Fast Page Mode with EDO) tCP
7
—
10 — 10 — ns
CAS Pulse Width
tCAS 7 10,000 10 10,000 13 10,000 ns
CAS Hold Time
CAS to RAS Precharge Time
RAS Hold Time from CAS Precharge
tCSH 35 — 40 — 45 — ns
tCRP
5
—
5
—
5
— ns
tRHCP 30
—
35
—
40
— ns
OE Hold Time from CAS (DQ Disable)
RAS to CAS Delay Time
RAS to Column Address Delay Time
tCHO 5
—
5
—
5
— ns
tRCD 11 37 14 45 14 50 ns 5
tRAD 9
25
12 30 12 35 ns 6
Row Address Set-up Time
tASR
0
—
0
—
0
— ns
Row Address Hold Time
tRAH 7
—
10 — 13 — ns
Column Address Set-up Time
tASC
0
—
0
—
0
— ns
Column Address Hold Time
Column Address to RAS Lead Time
tCAH
7
—
10 — 13 — ns
tRAL 25 — 30 — 35 — ns
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