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MD51V65165
AC Characteristics (2/2)
(VCC = 3.3 V ±0.3 V, Ta = 0°C to 70°C) Note 1, 2, 3
MD51V65165
-50
MD51V65165
-60
Parameter
Symbol
Unit Note
Min.
Max.
Min.
Max.
Read Command Set-up Time
tRCS
0
—
0
—
ns
ns 9, 12
ns
ns 10, 12
12
Read Command Hold Time
Read Command Hold Time referenced to RAS
tRCH
tRRH
tWCS
tWCH
0
0
—
—
0
0
—
—
9
Write Command Set-up Time
Write Command Hold Time
0
7
—
—
0
—
—
10
ns
12
Write Command Pulse Width
WE Pulse Width (DQ Disable)
OE Command Hold Time
tWP
tWPE
tOEH
tOEP
tOCH
tRWL
tCWL
7
7
7
7
7
7
7
—
—
—
—
—
—
—
10
10
10
10
10
10
10
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
OE Precharge Time
OE Command Hold Time
Write Command to RAS Lead Time
Write Command to CAS Lead Time
14
Data-in Set-up Time
tDS
tDH
0
—
—
—
—
—
—
—
—
—
—
—
—
0
—
—
—
—
—
—
—
—
—
—
—
—
ns 11, 12
ns 11, 12
ns
Data-in Hold Time
OE to Data-in Delay Time
CAS to WE Delay Time
Column Address to WE Delay Time
RAS to WE Delay Time
7
10
15
34
49
79
54
5
tOED
tCWD
tAWD
tRWD
tCPWD
tRPC
13
30
42
67
47
5
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
10
10
10
12
12
13
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
5
5
10
10
10
10
10
10
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