參數(shù)資料
型號: IS42VS16400C1-12TL
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: 1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
中文描述: 4M X 16 SYNCHRONOUS DRAM, 9 ns, PDSO54
封裝: 0.400 INCH, LEAD FREE, PLASTIC, TSOP2-54
文件頁數(shù): 35/56頁
文件大?。?/td> 509K
代理商: IS42VS16400C1-12TL
IS42VS16400C1
ISSI
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. A
10/06/05
35
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
WR
- 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
COL a
COL b
t
RP - BANK n
RP - BANK m
Write-Back
BANK n
BANK m
Page Active
WRITE with Burst of 4
Interrupt Burst, Write-Back
t
WR
- 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 latency
later.
The PRECHARGE to bank n will begin after t
WR
is met,
where t
WR
begins when the READ to bank m is registered.
The last 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
WR
is met, where t
WR
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.
Fig CAP 3 - WRITE With Auto Precharge interrupted by a READ
Fig CAP 4 - WRITE With Auto Precharge interrupted by a WRITE
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IS42VS16400C1-12TLI 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
IS42VS16400E-10TL 功能描述:動態(tài)隨機存取存儲器 64M (4Mx16) 100MHz 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
IS42VS16400E-10TLI 制造商:Integrated Silicon Solution Inc 功能描述:
IS42VS16400E-10TL-TR 功能描述:動態(tài)隨機存取存儲器 64M (4Mx16) 100MHz 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
IS42VS16400E-75BLI 制造商:Integrated Silicon Solution Inc 功能描述: