MSM514900C-80 Ver la hoja de datos (PDF) - Oki Electric Industry
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MSM514900C-80 Datasheet PDF : 16 Pages
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MSM514900C/CSL
AC Characteristics (2/2)
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3
Parameter
MSM514900 MSM514900 MSM514900
Symbol C/CSL-60 C/CSL-70 C/CSL-80 Unit Note
Min. Max. Min. Max. Min. Max.
Write Command Set-up Time
tWCS 0
—0
—
0
— ns 9
Write Command Hold Time
tWCH 15
—
15
—
15
— ns
Write Command Hold Time from RAS
tWCR 50
—
55
—
60
— ns
Write Command Pulse Width
tWP 15 — 15 — 15 — ns
OE Command Hold Time
tOEH 15
—
20
—
20
— ns
Write Command to RAS Lead Time
tRWL 15
—
20
—
20
— ns
Write Command to CAS Lead Time
tCWL 15
—
20
—
20
— ns
Data-in Set-up Time
tDS
0
—0
—
0
— ns 10
Data-in Hold Time
tDH 15 — 15 — 15 — ns 10
Data-in Hold Time from RAS
tDHR 50
—
55
—
60
— ns
OE to Data-in Delay Time
tOED 15
—
20
—
20
— ns
CAS to WE Delay Time
tCWD 40
—
50
—
50
— ns 9
Column Address to WE Delay Time
tAWD 60
—
65
—
70
— ns 9
RAS to WE Delay Time
tRWD 90
— 100 — 110 — ns 9
CAS Precharge WE Delay Time
tCPWD 65
—
70
—
75
— ns 9
CAS Active Delay Time from RAS Precharge tRPC 10
—
10
—
10
— ns
RAS to CAS Set-up Time (CAS before RAS) tCSR 10
—
10
—
10
— ns
RAS to CAS Hold Time (CAS before RAS) tCHR 15
—
15
—
15
— ns
RAS Pulse Width
(CAS before RAS Self-Refresh)
tRASS 100 — 100 — 100 — ms 11
RAS Precharge Time
(CAS before RAS Self-Refresh)
tRPS 110 — 130 — 150 — ns 11
CAS Hold Time
(CAS before RAS Self-Refresh)
tCHS –40 — –50 — –60 — ns 11
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