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參數(shù)資料
| 型號(hào)： | KM416C254D |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 256K x 16Bit CMOS Dynamic RAM with Extended Data Out |
| 中文描述： | 256 × 16Bit的CMOS動(dòng)態(tài)RAM的擴(kuò)展數(shù)據(jù)輸出 |
| 文件頁數(shù)： | 8/36頁 |
| 文件大小： | 840K |
| 代理商： | KM416C254D |
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KM416C254D, KM416V254D
CMOS DRAM
t
ASC
,
t
CAH
are referenced to the earlier CAS rising edge.
t
CP
is specified from the last CAS rising edge in the previous cycle to the first CAS falling edge in the next cycle.
t
CWD
is referenced to the later CAS falling edge at word red-modify-write cycle.
t
CWL
is specified from W falling edge to the earlier CAS rising edge.
t
CSR
is referenced to earlier CAS falling low before RAS transition low.
t
CHR
is referenced to the later CAS rising high after RAS transition low.
t
CSR
t
CHR
RAS
LCAS
UCAS
t
DS
t
DH
LCAS
DQ0 ~ DQ15
Din
20.
18.
17.
16.
13.
15.
14.
19.
UCAS
W
t
DS
, t
DH
are specified for the earlier CAS falling low.
f
t
RASS
≥
100us, then RAS precharge time must use
t
RPS
instead of
t
RP
.
For RAS-only refresh and burst CAS-before-RAS refresh mode, 512(512K) cycle of burst refresh must be executed within 8ms
before and after self refresh, in order to meet refresh specification.
For distributed CAS-before-RAS with 15.6us interval, CAS-before-RAS refresh should be executed with in 15.6us immediately
before and after self refresh in order to meet refresh specification.
21.
22.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| KM416V254D | 256K x 16Bit CMOS Dynamic RAM with Extended Data Out |
| KM416C256D | CMF-55 24M 5% T-0 EK E3 |
| KM416V256D | 256K x 16Bit CMOS Dynamic RAM with Fast Page Mode |
| KM416C4000C | RESISTOR |
| KM416C4100C | 4M x 16bit CMOS Dynamic RAM with Fast Page Mode |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KM416C254DJ-5 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| KM416C254DT4 | 制造商:n/a 功能描述:New |
| KM416C254DT4T | 制造商:SAMSUNG 功能描述:* |
| KM416C256ALJ-7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:C-MOS 4M (256K X 16)-BIT DYNAMIC RAM WITH FAST PAGE MODE |
| KM416C256BLJ-7 | 制造商:SEC 功能描述:Dynamic RAM, Fast Page, 256K x 16, 40 Pin, Plastic, SOJ |
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