參數(shù)資料
型號: IS42S32800B-6TLI
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: 2M Words x 32 Bits x 4 Banks (256-MBIT) SYNCHRONOUS DYNAMIC RAM
中文描述: 8M X 32 SYNCHRONOUS DRAM, 5.5 ns, PDSO86
封裝: 0.400 INCH, 0.50 MM PITCH, LEAD FREE, TSOP2-86
文件頁數(shù): 22/62頁
文件大?。?/td> 939K
代理商: IS42S32800B-6TLI
22
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev.
B
0
5/24
/06
ISSI
IS42S32800B
- 6/7
Symbol
t
RC
A.C. Parameter
Min.
Max.
Unit
Note
Row cycle time
(same bank)
Row activate to row activate delay
(different banks)
RAS# to CAS# delay
(same bank)
Precharge to refresh/row activate command
(same bank)
Row activate to precharge time
(same bank)
Clock cycle time
60/70
9
t
RRD
12/14
9
t
RCD
1
8
/20
9
t
RP
1
8
/20
9
t
RAS
42/45
120,000
9
t
CK2
t
CK3
CL* = 2
CL* = 3
7.5/10
6/7
ns
Access time from CLK
(positive edge)
Data output hold time
9
t
AC
5.5/5.5
t
OH
2/2
9
t
CH
Clock high time
2.5/2.5
10
t
CL
Clock low time
2.5/2.5
10
t
IS
Data/Address/Control Input set-up time
2.0
/
2.0 10
t
IH
Data/Address/Control Input hold time
1
10
t
LZ
Data output low impedance
1
9
8
t
HZ
Data output high impedance
Write Recovery Time
CAS# to CAS# Delay time
Mode Register Set cycle time
5.4
t
WR
t
CCD
t
MRS
2
1
2
CLK
* CL is CAS# Latency.
AC Electrical Characteristics (Recommended Operating Conditions)
5,6,7,8
Note:
1. Stress greater than those listed under “Absolute Maximum Ratings”may cause permanent damage to the device.
2. All voltages are referenced to VSS.
3. These parameters depend on the cycle rate and these values are measured by the cycle rate under the minimum value of
tCK and tRC.Input signals are changed one time during tCK.
4. These parameters depend on the output loading.Specified values are obtained with the output open.
5. Power-up sequence is described in Note 11.
相關(guān)PDF資料
PDF描述
IS42S32800B-7B 2M Words x 32 Bits x 4 Banks (256-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S32800B-7BI 2M Words x 32 Bits x 4 Banks (256-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S32800B-7BL 2M Words x 32 Bits x 4 Banks (256-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S32800B-7BLI 2M Words x 32 Bits x 4 Banks (256-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S32800B-7T 2M Words x 32 Bits x 4 Banks (256-MBIT) SYNCHRONOUS DYNAMIC RAM
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