MSC23837A Datasheet, PDF (7/8 Pages) OKI electronic componets – 8,388,608-Word x 36-Bit DRAM MODULE : FAST PAGE MODE TYPE

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MSC23837A-xxBS18/DS18
AC Characteristics (2/2)
Parameter
Symbol
Read Command Set-up Time
t_RCS
Read Command Hold Time
t_RCH
Read Command Hold Time referenced to RAS t_RRH
Write Command Set-up Time
t_WCS
Write Command Hold Time
t_WCH
Write Command Hold Time from RAS
t_WCR
Write Command Pulse Width
t_WP
OE Command Hold Time
t_OEH
Write Command to RAS Lead Time
t_RWL
Write Command to CAS Lead Time
t_CWL
Data-in Set-up Time
t_DS
Data-in Hold Time
t_DH
Data-in Hold Time from RAS
t_DHR
OE to Data-in Delay Time
t_OED
CAS to WE Delay Time
t_CWD
Column Address to WE Delay Time
t_AWD
RAS to WE Delay Time
t_RWD
CAS Precharge to WE Delay Time
t_CPWD
CAS Active Delay Time from RAS Precharge t_RPC
RAS to CAS Set-up Time (CAS before RAS) t_CSR
RAS to CAS Hold Time (CAS before RAS) t_CHR
WE to RAS Precharge Time (CAS before RAS) t_WRP
WE Hold Time from RAS (CAS before RAS) t_WRH
RAS to WE Set-up Time (Test Mode)
t_WTS
RAS to WE Hold Time (Test Mode)
t_WTH
(V_CC = 5 V ±10%, Ta = 0°C to 70°C) Note 1,2,3,11,12
MSC23837A
MSC23837A
-60BS18/DS18
-70BS18/DS18 Unit Note
Min.
Max.
Min.
Max.
0
—
0
—
ns
0
—
0
—
ns 8
0
—
0
—
ns 8
0
—
0
—
ns 9
10
—
15
—
ns
45
—
55
—
ns
10
—
10
—
ns
15
—
20
—
ns
15
—
20
—
ns
15
—
20
—
ns
0
—
0
—
ns 10
15
—
15
—
ns 10
50
—
55
—
ns
15
—
20
—
ns
40
—
50
—
ns 9
55
—
65
—
ns 9
85
—
100
—
ns 9
60
—
70
—
ns 9
10
—
10
—
ns
10
—
10
—
ns
20
—
20
—
ns
10
—
10
—
ns
10
—
10
—
ns
10
—
10
—
ns
20
—
20
—
ns
221