EM639165 Etron Technology Inc., EM639165 Datasheet - Page 23

• Manufacturer Part Number: EM639165
• Description: 8Mega x 16bits SDRAM
• Manufacturer: Etron Technology Inc.

[Write with Auto-Precharge Interrupted by Write or 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.
Preliminary
Command
Command
A0-9,11
A0-9,11
BA0-1
BA0-1
CLK
A10
CLK
A10
DQ
DQ
Write Interrupted by READ to another bank (CL=2,BL=4)
auto-precharge
auto-precharge
Write Interrupted by WRITE to another bank (BL=4)
Write
Write
Da 0
Da 0
Ya
00
Ya
00
1
1
Da 1
Da 1
interrupted
interrupted
Write
Db 0
Read
BL
BL
Yb
10
Yb
10
0
0
Db 1
23
tWR
Db 2
tWR
Qb0
Db 3
Qb1
Qb2
tRP
tRP
activate
activate
ACT
ACT
Qb3
Xa
Xa
00
Xa
Xa
00
Rev 1.0
EM639165
Feb. 2001