¡ Semiconductor
MD51V64400
AC Characteristics (2/2)
(VCC = 3.3 V 0.3 V, Ta = 0°C to 70°C) Note 1, 2, 3
MD51V64400
-50
MD51V64400
-60
Parameter
Symbol
Unit Note
Min.
Max.
Min.
Max.
Write Command Set-up Time
Write Command Hold Time
tWCS
tWCH
tWP
0
7
—
—
—
—
—
—
0
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
9
10
10
15
15
15
Write Command Pulse Width
OE Command Hold Time
7
tOEH
tRWL
tCWL
13
13
13
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Data-in Set-up Time
tDS
tDH
0
—
—
—
—
—
—
—
—
—
—
—
—
0
—
—
—
—
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
10
Data-in Hold Time
7
10
15
40
55
85
60
5
OE to Data-in Delay Time
CAS to WE Delay Time
Column Address to WE Delay Time
RAS to WE Delay Time
tOED
tCWD
tAWD
tRWD
tCPWD
tRPC
13
36
48
73
53
5
9
9
9
9
CAS Precharge WE Delay Time
CAS Active Delay Time from RAS Precharge
RAS to CAS Set-up Time (CAS before RAS) tCSR
RAS to CAS Hold Time (CAS before RAS) tCHR
WE to RAS Precharge Time (CAS before RAS) tWRP
WE Hold Time from RAS (CAS before RAS) tWRH
10
10
10
10
10
10
10
10
7/15
OKI [ OKI ELECTRONIC COMPONETS ]
