µPD45D128442, 45D128842, 45D128164
CONTENTS
1. Input/Output Pin Function … 10
2. Commands … 11
3. Simplified State Diagram … 15
4. Truth Table … 16
4.1 Command Truth Table … 16
4.2 DM Truth Table … 16
4.3 CKE Truth Table … 16
4.4 Operative Command Table … 17
4.5 Command Truth Table for CKE … 20
5. Initialization … 21
6. Programming the Mode Register … 22
7. Mode Register … 23
7.1 Burst Length and Sequence … 24
8. Address Bits of Bank-Select and Precharge … 25
9. Precharge … 26
9.1 Read to Precharge Command Interval … 26
9.2 Write to Precharge Command Interval … 27
10. Auto Precharge … 28
10.1 Read with Auto Precharge … 28
10.2 Write with Auto Precharge … 29
11. Read/Write Command Interval … 30
11.1 Read to Read Command Interval … 30
11.2 Write to Write Command Interval … 31
11.3 Write to Read Command Interval … 32
11.4 Read to Write Command Interval … 33
8
Data Sheet E0030N10