msm514400d Oki Semiconductor, msm514400d Datasheet - Page 7

• Manufacturer Part Number: msm514400d
• Description: 1,048,576-word ? 4-bit Dynamic Ram Fast Page Mode Type
• Manufacturer: Oki Semiconductor

¡ Semiconductor
AC Characteristics (2/2)
Read Command Set-up Time
Read Command Hold Time
Read Command Hold Time referenced to RAS
Write Command Set-up Time
Write Command Hold Time
Write Command Hold Time from RAS
Write Command Pulse Width
OE Command Hold Time
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Data-in Set-up Time
Data-in Hold Time
Data-in Hold Time from RAS
OE to Data-in Delay Time
CAS to WE Delay Time
Column Address to WE Delay Time
RAS to WE Delay Time
CAS Precharge WE Delay Time
CAS Active Delay Time from RAS Precharge
RAS to CAS Set-up Time (CAS before RAS)
RAS to CAS Hold Time (CAS before RAS)
WE to RAS Precharge Time (CAS before RAS)
WE Hold Time from RAS (CAS before RAS)
RAS to WE Set-up Time (Test Mode)
RAS to WE Hold Time (Test Mode)
Parameter
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CPWD
t
t
t
t
t
t
t
t
RWD
WRH
WCS
WCH
WCR
RWL
CWL
t
t
CWD
AWD
WRP
WTS
WTH
RCH
RRH
DHR
CHR
RCS
OEH
OED
RPC
CSR
WP
DS
DH
MSM514400
Min.
10
40
10
13
13
13
10
45
13
36
48
73
53
10
10
10
10
10
10
D/DL-50
0
0
0
0
0
5
(V
CC
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
= 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3, 11, 12
MSM514400
Min.
10
45
10
15
15
15
15
50
15
35
50
80
55
10
10
10
10
10
10
D/DL-60
0
0
0
0
0
5
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
MSM514400
Min.
10
50
10
20
20
20
15
55
20
45
60
95
65
10
10
10
10
10
10
D/DL-70
0
0
0
0
0
5
MSM514400D/DL
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
7/17
10
10
8
8
9
9
9
9
9