參數(shù)資料
型號: IS42S81600B-7TI
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
中文描述: 16M X 8 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝: 0.400 INCH, TSOP2-54
文件頁數(shù): 49/60頁
文件大小: 585K
代理商: IS42S81600B-7TI
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. E
05/01/06
49
ISSI
IS42S81600B, IS42S16800B
DON'T CARE
CLK
COMMAND
BANK n
BANK m
ADDRESS
DQ
T0
T1
T2
T3
T4
T5
T6
T7
NOP
NOP
NOP
NOP
NOP
NOP
D
IN
a
D
IN
a+1
D
OUT
b
D
OUT
b+1
BANK n,
COL a
BANK m,
COL b
CAS Latency - 3 (BANK m)
t
RP - BANK n
t
RP - BANK m
Precharge
WRITE - AP
BANK n
READ - AP
BANK m
Page Active
WRITE with Burst of 4
Interrupt Burst, Write-Back
t
DPL
- BANK n
Precharge
Page Active
READ with Burst of 4
Internal States
DON'T CARE
CLK
COMMAND
BANK n
BANK m
ADDRESS
DQ
T0
T1
T2
T3
T4
T5
T6
T7
NOP
NOP
NOP
NOP
NOP
NOP
BANK n,
COL a
BANK m,
COL b
t
RP - BANK n
DPL - BANK m
Write-Back
WRITE - AP
BANK n
WRITE - AP
BANK m
Page Active
WRITE with Burst of 4
Interrupt Burst, Write-Back
t
DPL
- BANK n
Precharge
Page Active
WRITE with Burst of 4
Internal States
D
IN
a
D
IN
a+1
D
IN
a+2
D
IN
b
D
IN
b+1
D
IN
b+2
D
IN
b+3
WRITE with Auto Precharge
3. Interrupted by a READ (with or without auto precharge):
A READ to bank m will interrupt a WRITE on bank n when
registered, with the data-out appearing
(CAS atency)
ater.
The PRECHARGE to bank n will begin after t
DPL
is met,
where t
DPL
begins when the READ to bank m is registered.
The ast valid
WRITE
to bank n will be data-in registered one
clock prior to the READ to bank m.
4. Interrupted by a WRITE (with or without auto precharge):
A
WRITE
to bank m will interrupt a
WRITE
on bank n when
registered. The PRECHARGE to bank n will begin after
t
DPL
is met, where t
DPL
begins when the WRITE to bank m
is registered. The last valid data WRITE to bank n will be
data registered one clock prior to a WRITE to bank m.
WRITE With Auto Precharge interrupted by a READ
WRITE With Auto Precharge interrupted by a WRITE
相關(guān)PDF資料
PDF描述
IS42S81600B-7TL 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
IS42S81600B-7TLI 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
IS42S32200B 512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S32200B-6T 512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42S32200B-6TI 512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
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IS42S81600B-7TI-TR 功能描述:動態(tài)隨機存取存儲器 128M 16Mx8 143Mhz 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
IS42S81600B-7TL 功能描述:動態(tài)隨機存取存儲器 128M 16Mx8 143Mhz 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
IS42S81600B-7TLI 功能描述:動態(tài)隨機存取存儲器 128M 16Mx8 143Mhz 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
IS42S81600B-7TLI-TR 功能描述:動態(tài)隨機存取存儲器 128M 16Mx8 143Mhz 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
IS42S81600B-7TL-TR 功能描述:動態(tài)隨機存取存儲器 128M 16Mx8 143Mhz 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