MSM518121A Datasheet, PDF (8/33 Pages) OKI electronic componets – 131,072-Word X 8-Bit Multiport DRAM

¡ Semiconductor
AC Characteristics (3/3)
Parameter
DT to First SC Delay Time (Read Transfer)
Last SC to RAS Set-up Time (Serial Input)
RAS to First SC Delay Time (Serial Input)
RAS to Serial Input Delay Time
Serial Output Buffer Turn-off Delay from RAS
(Pseudo Write Transfer)
SC Cycle Time
SC Pulse Width (SC High Time)
SC Precharge Time (SC Low Time)
Access Time from SC
Serial Output Hold Time from SC
Serial Input Set-up Time
Serial Input Hold Time
Access Time from SE
SE Pulse Width
SE Precharge Time
Serial Output Buffer Turn-off Delay from SE
Serial Input to SE Delay Time
Serial Input to First SC Delay Time
Serial Write Enable Set-up Time
Serial Write Enable Hold Time
Serial Write Disable Set-up Time
Serial Write Disable Hold Time
MSM518121A
(V_CC = 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.
t_TSD 15 — 15 — 15 — ns
t_SRS 25 — 25 — 30 — ns
t_SRD 20 — 20 — 25 — ns
t_SDD 40 — 40 — 50 — ns
t_SDZ 10 40 10 40 10 50 ns 9
t_SCC 30 — 30 — 30 — ns
t_SC 10 — 10 — 10 — ns
t_SCP 10 — 10 — 10 — ns
t_SCA — 25 — 25 — 25 ns 8
t_SOH 5 — 5 — 5 — ns
t_SDS 0 — 0 — 0 — ns
t_SDH 15 — 15 — 15 — ns
t_SEA — 25 — 25 — 25 ns 8
t_SE 25 — 25 — 25 — ns
t_SEP 25 — 25 — 25 — ns
t_SEZ 0 20 0 20 0 20 ns 9
t_SZE 0 — 0 — 0 — ns
t_SZS 0 — 0 — 0 — ns
t_SWS 5 — 5 — 5 — ns
t_SWH 15 — 15 — 15 — ns
t_SWIS 5 — 5 — 5 — ns
t_SWIH 15 — 15 — 15 — ns
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