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參數(shù)資料
| 型號： | HYB 39S64400BT |
| 廠商： | SIEMENS AG |
| 英文描述： | 64MBit Synchronous DRAM(64M位(4列 × 4M位 × 4)同步動態(tài)RAM) |
| 中文描述： | 64兆比特同步DRAM（6400位（4 × 4分列位× 4）同步動態(tài)RAM）的 |
| 文件頁數(shù)： | 19/53頁 |
| 文件大小： | 354K |
| 代理商： | HYB 39S64400BT |
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HYB 39S64400/800/160BT(L)
64-MBit Synchronous DRAM
Data Book
19
12.99
Notes
1. For proper power-up see the operation section of this data sheet.
2. AC timing tests have
V
IL
= 0.4 V and
V
IH
= 2.4 V with the timing referenced to the 1.4 V crossover
point. The transition time is measured between
V
IH
and
V
IL
. All AC measurements assume
t
T
= 1 ns with the AC output load circuit shown in figure below. Specified
t
AC
and
t
OH
parameters
are measured with a 50 pF only, without any resistive termination and with a input signal of 1V /
ns edge rate between 0.8 V and 2.0 V.
3. If clock rising time is longer than 1 ns, a time (
t
T
/2
0.5) ns has to be added to this parameter.
4. If
t
T
is longer than 1 ns, a time (
t
T
1) ns has to be added to this parameter.
5. These parameter account for the number of clock cycle and depend on the operating frequency
of the clock, as follows:
the number of clock cycle = specified value of timing period (counted in fractions as a whole
number)
6. Self Refresh Exit is a synchronous operation and begins on the 2nd positive clock edge after
CKE returns high. Self Refresh Exit is not complete until a time period equal to
t
RC
is satisfied
once the Self Refresh Exit command is registered.
SPT03404
CLOCK
2.4 V
0.4 V
INPUT
HOLD
t
SETUP
t
t
T
OUTPUT
1.4 V
t
LZ
AC
t
t
AC
OH
t
HZ
t
1.4 V
CL
t
CH
t
50 pF
I/O
Measurement conditions for
t
AC
and
t
OH
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相關代理商/技術參數(shù) |
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|---|---|
| HYB39S64400BT-10 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 SDRAM |
| HYB39S64400BT-7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 SDRAM |
| HYB39S64400BT-7.5 | 制造商:Infineon Technologies AG 功能描述:16M X 4 SYNCHRONOUS DRAM, 5.4 ns, 54 Pin Plastic SMT |
| HYB39S64400BT75 | 制造商:SIEMENS 功能描述:* |
| HYB39S64400BT-8 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:64-MBit Synchronous DRAM |
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