V54C365404VD Просмотр технического описания (PDF) - Mosel Vitelic Corporation

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V54C365404VD

HIGH PERFORMANCE 143/133/125 MHz 3.3 VOLT 16M X 4 SYNCHRONOUS DRAM 4 BANKS X 4Mbit X 4

Mosel Vitelic Corporation  

MOSEL VITELIC

V54C365404VD(L)

3. Read Interrupted by a Read

(Burst Length = 4, CAS latency = 2, 3, 4)

T0

T1

T2

T3

T4

T5

T6

T7

T8

CLK

COMMAND READ A

READ B

NOP

NOP

NOP

NOP

NOP

NOP

NOP

CAS latency = 2

tCK2, I/O’s

CAS latency = 3

tCK3, I/O’s

CAS latency = 4

tCK4, I/O’s

DOUT A0 DOUT B0 DOUT B1 DOUT B2 DOUT B3

DOUT A0 DOUT B0 DOUT B1 DOUT B2 DOUT B3

DOUT A0 DOUT B0 DOUT B1 DOUT B2 DOUT B3

4.1 Read to Write Interval

(Burst Length = 4, CAS latency = 3)

T0

T1

T2

T3

T4

T5

T6

T7

CLK

DQM

COMMAND NOP

Minimum delay between the Read and Write Commands = 4+1 = 5 cycles

tDQZ

tDQW

READ A

NOP

NOP

NOP

NOP

WRITE B

NOP

T8

NOP

I/O’s

: “H” or “L”

DOUT A0

Must be Hi-Z before

the Write Command

DIN B0

DIN B1

DIN B2

V54C365404VD(L) Rev. 0.9 September 2001

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