MSM514262 查看數據表（PDF） - Oki Electric Industry
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MSM514262 Datasheet PDF : 45 Pages
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¡ Semiconductor
MSM514262
AC Characteristics (2/3)
Parameter
Data Set-up Time
Data Hold Time
Data Hold Time referenced to RAS
Write Command Set-up Time
RAS to WE Delay Time
Column Address to WE Delay Time
CAS to WE Delay Time
Data to CAS Delay Time
Data to OE Delay Time
Access Time from OE
Output Buffer Turn-off Delay from OE
OE to Data Delay Time
OE Command Hold Time
RAS Hold Time referenced to OE
CAS Set-up Time for CAS before RAS Cycle
CAS Hold Time for CAS before RAS Cycle
RAS Precharge to CAS Active Time
Refresh Period
WB Set-up Time
WB Hold Time
DSF Set-up Time referenced to RAS
DSF Hold Time referenced to RAS (1)
DSF Hold Time referenced to RAS (2)
DSF Set-up Time referenced to CAS
DSF Hold Time referenced to CAS
Write Per Bit Mask Data Set-up Time
Write Per Bit Mask Data Hold Time
DT High Set-up Time
DT High Hold Time
DT Low Set-up Time
DT Low Hold Time
DT Low Hold Time referenced to RAS
(Real Time Read Transfer)
DT Low Hold Time referenced to Column Address
(Real Time Read Transfer)
DT Low Hold Time referenced to CAS
(Real Time Read Transfer)
SE Set-up Time referenced to RAS
SE Hold Time referenced to RAS
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 4, 5, 6
-70
-80
-10
Symbol
Unit Note
Min. Max. Min. Max. Min. Max.
tDS
0 — 0 — 0 — ns 11
tDH 15 — 15 — 15 — ns 11
tDHR 55 — 55 — 70 — ns
tWCS 0 — 0 — 0 — ns 12
tRWD 100 — 100 — 130 — ns 12
tAWD 65 — 65 — 80 — ns 12
tCWD 45 — 45 — 55 — ns 12
tDZC 0 — 0 — 0 — ns
tDZO 0 — 0 — 0 — ns
tOEA — 20 — 20 — 25 ns 7
tOEZ 0 10 0 10 0 20 ns 9
tOED 10 — 10 — 20 — ns
tOEH 10 — 10 — 20 — ns
tROH 15 — 15 — 15 — ns
tCSR 10 — 10 — 10 — ns
tCHR 10 — 10 — 10 — ns
tRPC 0 — 0 — 0 — ns
tREF — 8 — 8 — 8 ms
tWSR 0 — 0 — 0 — ns
tRWH 15 — 15 — 15 — ns
tFSR 0 — 0 — 0 — ns
tRFH 15 — 15 — 15 — ns
tFHR 55 — 55 — 70 — ns
tFSC 0 — 0 — 0 — ns
tCFH 15 — 15 — 15 — ns
tMS
0 — 0 — 0 — ns
tMH 15 — 15 — 15 — ns
tTHS 0 — 0 — 0 — ns
tTHH 15 — 15 — 15 — ns
tTLS 0 — 0 — 0 — ns
tTLH 15 10k 15 10k 15 10k ns
tRTH 60 10k 65 10k 80 10k ns
tATH 25 — 30 — 30 — ns
tCTH 20 — 25 — 25 — ns
tESR 0 — 0 — 0 — ns
tREH 15 — 15 — 15 — ns
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