参数资料
型号: NT5SV16M16AT-8BL
厂商: Electronic Theatre Controls, Inc.
英文描述: 256Mb Synchronous DRAM
中文描述: 256Mb的同步DRAM
文件页数: 19/65页
文件大小: 814K
代理商: NT5SV16M16AT-8BL
NT5SV64M4AT(L)
NT5SV32M8AT(L)
NT5SV16M16AT(L)
256Mb Synchronous DRAM
REV 1.0
May, 2001
19
NANYA TECHNOLOGY CORP
. All rights reserved.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
Although a Read Command with auto-precharge can not be interrupted by a command to the same bank, it can be interrupted
by a Read or Write Command to a different bank. If the command is issued before auto-precharge begins then the precharge
function will begin with the new command. The bank being auto-precharged may be reactivated after the delay t
RP
.
If interrupting a Read Command with auto-precharge with a Write Command, DQM must be used to avoid DQ contention.
Burst Read with Auto-Precharge Interrupted by Read
Burst Read with Auto-Precharge Interrupted by Write
t
RP
COMMAND
NOP
*
NOP
NOP
NOP
Auto-Precharge
CK
T0
T2
T1
T3
T4
T5
T6
T7
T8
NOP
NOP
t
RP
t
CK2
,
DQs
CAS latency = 2
t
CK3
,
DQs
CAS latency = 3
*
Bank can be reactivated at completion of t
RP
.
t
RP
is a function of clock cycle time and speed sort.
See the Clock Frequency and Latency table.
DOUT A
0
DOUT A
1
NOP
DOUT A
0
DOUT A
1
DOUT B
0
DOUT B
1
*
READ B
DOUT B
2
DOUT B
3
DOUT B
0
DOUT B
1
DOUT B
2
DOUT B
3
(Burst Length = 4, CAS Latency = 2, 3)
COMMAND
NOP
NOP
*
NOP
READ A
Auto-Precharge
t
RP
CK
T0
T2
T1
T3
T4
T5
T6
T7
T8
NOP
NOP
t
CK2,
DQs
CAS latency = 2
DQM
NOP
DOUT A
0
DIN B
0
DIN B
1
WRITE B
DIN B
2
DIN B
3
NOP
DIN B
4
*
Bank can be reactivated at completion of t
RP
.
t
RP
is a function of clock cycle time and speed sort.
.
See the Clock Frequency and Latency table
.
(Burst Length = 8, CAS Latency = 2)
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