upd4564441-a75 Elpida Memory, Inc., upd4564441-a75 Datasheet - Page 23

• Manufacturer Part Number: upd4564441-a75
• Description: 64m-bit Synchronous Dram, 133mhz 4-bank, Lvttl
• Manufacturer: Elpida Memory, Inc.

Row
(Activate command)
(Precharge command)
Col.
(/CAS strobes)
A0
A0
A0
A1
A1
A1
A2
A2
A2
A3
A3
A3
A4
A4
A4
A5
A5
A5
A6
A6
A6
A7
A7
A7
A8
A8
A8
A9
A9
A9
A10
A10
A10
A11
A11
x
A12
A12 A13
A12
A13
A13
A12
A10
A12
0
0
1
1
0
0
0
0
1
0
1
0
0
1
1
A13
A12
A13
disables Auto-Precharge
(End of Burst)
enables Auto-Precharge
(End of Burst)
x : Don’t care
0
1
0
1
0
0
1
1
x
0
1
0
1
A13
Select Bank A
“Activate” command
Select Bank B
“Activate” command
Select Bank C
“Activate” command
Select Bank D
“Activate” command
enables Read/Write
commands for Bank A
enables Read/Write
commands for Bank B
enables Read/Write
commands for Bank C
enables Read/Write
commands for Bank D
0
1
0
1
x
Result
Result
Result
Precharge Bank A
Precharge Bank B
Precharge Bank C
Precharge Bank D
Precharge All Banks