IS43LR32160B-6BLI ISSI, Integrated Silicon Solution Inc, IS43LR32160B-6BLI Datasheet - Page 15

• Manufacturer Part Number: IS43LR32160B-6BLI
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS43LR32160B-6BLI

• Lead Free Status / Rohs Status: Compliant

Rev.00B | Dec. 2010
Table5 : DM Truth Table
Table4: Command Truth Table
Note:
1. All states and sequences not shown are illegal or reserved.
2. DESLECT and NOP are functionally interchangeable.
3. Autoprecharge is non-persistent. A10 High enables Autoprecharge, while A10 Low disables Autoprecharge
4. Burst Terminate applies to only Read bursts with autoprecharge disabled.
5. This command is BURST TERMINATE if CKE is High and DEEP POWER DOWN entry if CKE is Low.
6. If A10 is low, bank address determines which bank is to be precharged. If A10 is high, all banks are precharged and BA0-BA1 are don‘t
7. This command is AUTO REFRESH if CKE is High, and SELF REFRESH if CKE is low.
8. All address inputs and I/O are ''don't care'' except for CKE. Internal refresh counters control Bank and Row addressing.
9. All banks must be precharged before issuing an AUTO-REFRESH or SELF REFRESH command.
10. BA0 and BA1 value select between MRS and EMRS.
11. Used to mask write data, provided coincident with the corresponding data.
12. CKE is HIGH for all commands shown except SELF REFRESH and DEEP POWER-DOWN.
DESELECT (NOP)
NO OPERATION (NOP)
ACTIVE (Select Bank and activate Row)
READ (Select bank and column and start read burst)
READ with AP (Read Burst with Auto recharge)
WRITE (Select bank and column and start write burst)
WRITE with AP (Write Burst with Auto recharge)
BURST TERMINATE or enter DEEP POWER DOWN
PRECHARGE (Deactivate Row in selected bank)
PRECHARGE ALL (Deactivate rows in all banks)
AUTO REFRESH or enter SELF REFRESH
MODE REGISTER SET
This command is undefined and should not be used for Read with Autoprecharge enabled, and for Write bursts.
care.
Write Enable
Write Inhibit
Function
Function
DM
H
L
www.issi.com
/CS
H
L
L
L
L
L
L
L
L
L
L
L
/RAS
- [e-mail]
H
H
H
H
H
H
X
L
L
L
L
L
/CAS
Valid
X
H
H
H
H
H
L
L
L
L
L
L
DQ
X
IS43LR32160B, IS46LR32160B
/WE
H
H
H
H
H
X
L
L
L
L
L
L
BA
X
X
V
V
V
V
V
X
V
X
X
V
A10/AP
Row
X
H
H
H
X
L
L
X
L
X
Op_Code
Advanced Information
Note
11
11
ADDR
Row
Col
Col
Col
Col
X
X
X
X
X
X
Note
7,8,9
4,5
10
2
2
3
3
6
6
15