UPD45128163-A75L ELPIDA [Elpida Memory], UPD45128163-A75L Datasheet - Page 22

• Manufacturer Part Number: UPD45128163-A75L
• Description: 128M-bit Synchronous DRAM 4-bank, LVTTL
• Manufacturer: ELPIDA [Elpida Memory]

8. Address Bits of Bank-Select and Precharge
22
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
Data Sheet E0344N10 (Ver. 1.0)
A8
A8
A8
A9
A9
A9
A10
A10
A10
A11
A11
x
BA1
(A12)
BA1
(A12)
BA1
(A12)
BA0
(A13)
BA0
(A13)
BA0
(A13)
BA1(A12) BA0(A13)
BA1(A12) BA0(A13)
A10
0
0
1
1
0
0
0
0
1
0
1
0
0
1
1
BA1(A12) BA0(A13)
x : Don’t care
disables Auto-Precharge
(End of Burst)
enables Auto-Precharge
(End of Burst)
0
1
0
1
0
0
1
1
x
0
1
0
1
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
PD45128163