EDS1232AATA-60TI 데이터 시트보기 (PDF) - Elpida Memory, Inc

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EDS1232AATA-60TI

128M bits SDRAM WTR (Wide Temperature Range)

Elpida Memory, Inc 

EDS1232AATA-TI

Write operation

Burst write or single write mode is selected by the OPCODE of the mode register.

1. Burst write: A burst write operation is enabled by setting OPCODE (A9, A8) to (0, 0). A burst write starts in the

same clock as a write command set. (The latency of data input is 0 clock.) The burst length can be set to 1, 2, 4

and 8, like burst read operations. The write start address is specified by the column address and the bank select

address at the write command set cycle.

CLK

Command

tRCD

ACT

WRIT

Address

Row

Column

BL = 1

DQ

BL = 2

BL = 4

BL = 8

in 0

in 0 in 1

in 0 in 1 in 2 in 3

in 0 in 1 in 2 in 3 in 4 in 5 in 6 in 7

Burst write

CL = 2, 3

2. Single write: A single write operation is enabled by setting OPCODE (A9, A8) to (1, 0). In a single write

operation, data is only written to the column address and the bank select address specified by the write

command set cycle without regard to the burst length setting. (The latency of data input is 0 clock).

CLK

Command

tRCD

ACT

WRIT

Address

DQ

Row

Column

in 0

Single write

Data Sheet E0305E30 (Ver. 3.0)

28

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