參數(shù)資料
型號(hào): NT5SV16M16AT-7K
廠商: Electronic Theatre Controls, Inc.
英文描述: 256Mb Synchronous DRAM
中文描述: 256Mb的同步DRAM
文件頁(yè)數(shù): 37/65頁(yè)
文件大?。?/td> 814K
代理商: NT5SV16M16AT-7K
NT5SV64M4AT(L)
NT5SV32M8AT(L)
NT5SV16M16AT(L)
256Mb Synchronous DRAM
REV 1.0
May, 2001
37
NANYA TECHNOLOGY CORP
. All rights reserved.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
AC Characteristics
(T
A
= 0 to +70
°
C, V
DD
= 3.3V
±
0.3V)
1. An initial pause of 200
μ
s, with DQM and CKE held high, is required after power-up. A Precharge All Banks command must
be given followed by a minimum of two Auto (CBR) Refresh cycles before or after the Mode Register Set operation.
2. The Transition time is measured between V
IH
and V
IL
(or between V
IL
and V
IH
)
3. In addition to meeting the transition rate specification, the clock and CKE must transit between V
IH
and V
IL
(or between V
IL
and V
IH
) in a monotonic manner.
4. Load Circuit A: AC timing tests have V
IL
= 0.4 V and V
IH
= 2.4 V with the timing referenced to the 1.40V crossover point
5. Load Circuit A: AC measurements assume t
T
= 1.0ns.
6. Load Circuit B: AC timing tests have V
IL
= 0.8 V and V
IH
= 2.0 V with the timing referenced to the 1.40V crossover point
7. Load Circuit B: AC measurements assume t
T
= 1.2ns.
.
AC Characteristics Diagrams
Output
Input
Clock
t
OH
t
SETUP
t
HOLD
t
AC
t
LZ
1.4V
1.4V
V
IL
1.4V
t
T
Vtt = 1.4V
Output
50
50pF
Z
o
= 50
AC Output Load Circuit (A)
t
CKH
t
CKL
Output
50pF
Z
o
= 50
AC Output Load Circuit (B)
V
IH
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