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參數資料
型號: IS42S32400A-7T
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
中文描述: 4M X 32 SYNCHRONOUS DRAM, 5.4 ns, PDSO86
封裝: PLASTIC, TSOP2-86
文件頁數: 56/66頁
文件大小: 556K
代理商: IS42S32400A-7T
ISSI
56
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
ADVANCED INFORMATION
Rev. 00A
06/01/02
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
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
BANK n,
COL a
BANK m,
COL b
t
RP - BANK n
RP - BANK m
Write-Back
BANK n
WRITE - AP
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 atency)
ater.
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 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
WR
is met, where t
WR
begins when the WRITE to bank m is
registered. The ast 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PDF資料
PDF描述
IS42S32400A-7TI 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S32400A-7TL 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS61C256AH-8J x8 SRAM
IS61C256AH-8N x8 SRAM
IS61C256AH-8T x8 SRAM
相關代理商/技術參數
參數描述
IS42S32400A-7TI 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S32400A-7TL 制造商:Integrated Silicon Solution Inc 功能描述:
IS42S32400A-7TLI 制造商:Integrated Silicon Solution Inc 功能描述:
IS42S32400B 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S32400B-6B 制造商:Integrated Silicon Solution Inc 功能描述:IC SDRAM 128MBIT 166MHZ 90FBGA
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