参数资料
型号: MSC23S4721E
厂商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 4,194,304 Word x 72 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK):
中文描述: 4194304字× 72位同步动态RAM模块(2BANK):
文件页数: 7/11页
文件大小: 76K
代理商: MSC23S4721E
MSC23S4721E-8BS18 (98.07.17)
Page 7/11
MODE SET ADDRESS KEYS
/CAS Latency
A5
A4
0
0
1
1
0
0
1
1
Burst Type
A3
0
1
Burst Length
A0
0
1
0
1
0
Reserved
1
Reserved
0
Reserved
1
Full Page
A6
0
0
0
0
1
1
1
1
CL
BT
A2
0
0
0
0
1
1
1
1
A1
0
0
1
1
0
0
1
1
BT=0
1
2
4
8
BT=1
1
2
4
8
Reserved
Reserved
Reserved
Reserved
0
1
0
1
0
1
0
1
Reserved
Reserved
2
3
Reserved
Reserved
Reserved
Reserved
Sequential
Interleave
Note: A7, A8, A9, A10 and A11 should stay "L" during mode set cycle.
POWER ON SEQUENCE
1. With inputs in NOP state, turn on the power supply and start the system clock.
2. After the V
CC
voltage has reached the specified level, pause for 200us or more
with the input kept in NOP state.
3. Issue the precharge all bank command.
4. Apply a CBR auto-refresh eight or more times.
5. Enter the mode register setting command.
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MSC23S4721E-8BS18 制造商:OKI 制造商全称:OKI electronic componets 功能描述:4,194,304 Word x 72 Bit SYNCHRONOUS DYNAMIC RAM MODULE (2BANK):
MSC23T 制造商:OKI 制造商全称:OKI electronic componets 功能描述:1,048,576-Word x 72-Bit DRAM MODULE : FAST PAGE MODE TYPE
MSC23V13258D 制造商:OKI 制造商全称:OKI electronic componets 功能描述:1,048,576,Word X 32 Bit DYNAMIC RAM MODULE
MSC23V13258D-XXBS2 制造商:OKI 制造商全称:OKI electronic componets 功能描述:1,048,576,Word X 32 Bit DYNAMIC RAM MODULE
MSC23V23258D 制造商:OKI 制造商全称:OKI electronic componets 功能描述:2,097,152 Word X 32 Bit DYNAMIC RAM MODULE