参数资料
型号: NT5SV16M16AT-7K
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: 38/65页
文件大小: 814K
代理商: NT5SV16M16AT-7K
NT5SV64M4AT(L)
NT5SV32M8AT(L)
NT5SV16M16AT(L)
256Mb Synchronous DRAM
REV 1.0
May, 2001
38
NANYA TECHNOLOGY CORP
. All rights reserved.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
Clock and Clock Enable Parameters
Symbol
Parameter
-7K
-75B
-8B
Units
Notes
Min.
Max.
Min.
Max.
Min.
Max.
t
CK3
t
CK2
t
AC3 (A)
t
AC2 (A)
t
AC3 (B)
t
AC2 (B)
t
CKH
t
CKL
t
CES
t
CEH
t
SB
t
T
Clock Cycle Time, CAS Latency = 3
7
1000
7.5
1000
8
1000
ns
Clock Cycle Time, CAS Latency = 2
7.5
1000
10
10
1000
ns
Clock Access Time, CAS Latency = 3
ns
1
Clock Access Time, CAS Latency = 2
ns
1
Clock Access Time, CAS Latency = 3
5.4
5.4
6
ns
2
Clock Access Time, CAS Latency = 2
5.4
6
6
ns
2
Clock High Pulse Width
2.5
2.5
3
ns
Clock Low Pulse Width
2.5
2.5
3
ns
Clock Enable Set-up Time
1.5
1.5
2
ns
Clock Enable Hold Time
0.8
0.8
1
ns
Power down mode Entry Time
0
7.5
0
7.5
0
10
ns
Transition Time (Rise and Fall)
0.5
10
0.5
10
0.5
10
ns
1. Access time is measured at 1.4V. See AC Characteristics: notes 1, 2, 3, 4, 5 and load circuit A.
2. Access time is measured at 1.4V. See AC Characteristics: notes 1, 2, 3, 6, 7 and load circuit B.
Common Parameters
Symbol
Parameter
-7K
-75B
-8B
Units
Notes
Min.
Max.
Min.
Max.
Min.
Max.
t
CS
Command Setup Time
1.5
1.5
2
ns
t
CH
Command Hold Time
0.8
0.8
1
ns
t
AS
Address and Bank Select Set-up Time
1.5
1.5
2
ns
t
AH
Address and Bank Select Hold Time
0.8
0.8
1
ns
t
RCD
RAS to CAS Delay
15
20
20
ns
1
t
RC
Bank Cycle Time
60
67.5
70
ns
1
t
RAS
Active Command Period
45
100K
45
100K
50
100K
ns
1
t
RP
Precharge Time
15
20
20
ns
1
t
RRD
Bank to Bank Delay Time
15
15
20
ns
1
t
CCD
CAS to CAS Delay Time
1
1
1
CK
1. These parameters account for the number of clock cycle and depend on the operating frequency of the clock, as follows:
the number of clock cycles = specified value of timing / clock period (count fractions as a whole number).
Mode Register Set Cycle
Symbol
Parameter
-7K
-75B
-8B
Units
Min.
Max.
Min.
Max.
Min.
Max.
t
RSC
Mode Register Set Cycle Time
15
15
20
ns
相关PDF资料
PDF描述
NT5SV16M16AT-7KL 256Mb Synchronous DRAM
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NT5SV16M16AT-8BL 256Mb Synchronous DRAM
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