參數(shù)資料
型號: IS42S32400B-7BL
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
中文描述: 4M X 32 SYNCHRONOUS DRAM, 5.4 ns, PBGA90
封裝: LEAD FREE, FBGA-90
文件頁數(shù): 17/60頁
文件大?。?/td> 644K
代理商: IS42S32400B-7BL
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
PRELIMINARY INFORMATION
Rev. 00G
06/15/06
17
ISSI
IS42S32400B
OPERATING FREQUENCY / LATENCY RELATIONSHIPS
SYMBOL PARAMETER
UNITS
Clock Cycle Time
6
7
8
10
ns
Operating Frequency
166
143
125
100
MHz
t
CAC
CAS
Latency
3
3
2/3
2/3
cycle
t
RCD
Active Command To Read/Write Command Delay Time
3
3
3
2
cycle
t
RAC
RAS
Latency (t
RCD
+ t
CAC
)
CAS
Latency = 3
CAS
Latency = 2
6
6
6
5
5
4
cycle
t
RC
Command Period (REF to REF / ACT to ACT)
10
10
8
7
cycle
t
RAS
Command Period (ACT to PRE)
7
7
6
5
cycle
t
RP
Command Period (PRE to ACT)
3
3
3
2
cycle
t
RRD
Command Period (ACT[0] to ACT [1])
2
2
2
2
cycle
t
CCD
Column Command Delay Time
(READ, READA, WRIT, WRITA)
1
1
1
1
cycle
t
DPL
Input Data To Precharge Command Delay Time
2
2
2
2
cycle
t
DAL
Input Data To Active/Refresh Command Delay Time
(During Auto-Precharge)
5
5
4
4
cycle
t
RBD
Burst Stop Command To Output in HIGH-Z Delay Time
(Read)
CAS
Latency = 3
CAS
Latency = 2
3
3
3
2
3
2
cycle
t
WBD
Burst Stop Command To Input in Invalid Delay Time
(Write)
0
0
0
0
cycle
t
RQL
Precharge Command To Output in HIGH-Z Delay Time
(Read)
CAS
Latency = 3
CAS
Latency = 2
3
3
3
2
3
2
cycle
t
WDL
Precharge Command To Input in Invalid Delay Time
(Write)
0
0
0
0
cycle
t
PQL
Last Output To Auto-Precharge Start Time (Read)
CAS
Latency = 3
CAS
Latency = 2
-2
–2
-2
-1
-2
-1
cycle
t
QMD
DQM To Output Delay Time (Read)
2
2
2
2
cycle
t
DMD
DQM To Input Delay Time (Write)
0
0
0
0
cycle
t
MRD
Mode Register Set To Command Delay Time
2
2
2
2
cycle
相關(guān)PDF資料
PDF描述
IS42S32400B-7BLI 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S32400B-7T 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S32400B-7TI 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S32400B-7TL 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S32800B 2M Words x 32 Bits x 4 Banks (256-MBIT) SYNCHRONOUS DYNAMIC RAM
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IS42S32400B-7BLI-TR 功能描述:動態(tài)隨機(jī)存取存儲器 128M (4Mx32) 143MHz Industrial Temp RoHS:否 制造商:ISSI 數(shù)據(jù)總線寬度:16 bit 組織:1 M x 16 封裝 / 箱體:SOJ-42 存儲容量:16 MB 最大時鐘頻率: 訪問時間:50 ns 電源電壓-最大:7 V 電源電壓-最小:- 1 V 最大工作電流:90 mA 最大工作溫度:+ 85 C 封裝:Tube
IS42S32400B-7BL-TR 功能描述:動態(tài)隨機(jī)存取存儲器 128M (4Mx32) 143MHz Commercial Temp RoHS:否 制造商:ISSI 數(shù)據(jù)總線寬度:16 bit 組織:1 M x 16 封裝 / 箱體:SOJ-42 存儲容量:16 MB 最大時鐘頻率: 訪問時間:50 ns 電源電壓-最大:7 V 電源電壓-最小:- 1 V 最大工作電流:90 mA 最大工作溫度:+ 85 C 封裝:Tube
IS42S32400B-7B-TR 制造商:Integrated Silicon Solution Inc 功能描述:IC SDRAM 128MBIT 143MHZ 90FBGA
IS42S32400B-7T 制造商:Integrated Silicon Solution Inc 功能描述:IC SDRAM 128MBIT 143MHZ 86TSOP 制造商:Integrated Silicon Solution Inc 功能描述:DRAM (Dynamic RAM)