P2V28S20ATP-7 View Datasheet(PDF) - Vanguard International Semiconductor
Part Name
Description
MFG CO.
'P2V28S20ATP-7' PDF : 51 Pages View PDF
128Mb Synchronous DRAM
P2V28S20ATP-7,-75,-8 (4-BANK x 8,388,608-WORD x 4-BIT)
P2V28S30ATP-7,-75,-8 (4-BANK x 4,194,304-WORD x 8-BIT)
P2V28S40ATP-7,-75,-8 (4-BANK x 2,097,152-WORD x 16-BIT)
[Read with Auto-Precharge Interrupted by Read to another Bank]
Burst write with auto-precharge can be interrupted by write or read to another bank. Next ACT command can be issued after
tRP. Auto-precharge interruption by a command to the same bank is inhibited.
Read Interrupted by Read to another bank (CL=2,BL=4)
CLK
Command
A0-9,11
Read
Ya
Read
BL
Yb
ACT
tRP
Xa
A10
1
0
Xa
BA0-1
00
10
00
DQ
Qa0 Qa1 Qb0 Qb1 Qb2 Qb3
auto-precharge interrupted
activate
[Full Page Burst]
Full page burst length is available for only the sequential burst type. Full page burst read or write is repeated untill a Precharge
or a Burst Terminate command is issued. In case of the full page burst, a read or write with auto-precharge command is illegal.
[Single Write]
When single write mode is set, burst length for write is always one, independently of Burst Length defined by (A2-0).
JULY.2000
Page-26
Rev.2.2
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