參數(shù)資料
型號(hào): V53C16258HT30I
廠商: MOSEL-VITELIC
元件分類: DRAM
英文描述: 256K X 16 EDO DRAM, 30 ns, PDSO40
封裝: 0.400 INCH, PLASTIC, TSOP2-44/40
文件頁數(shù): 5/20頁
文件大小: 556K
代理商: V53C16258HT30I
13
MOSEL VITELIC
V53C16258H
V53C16258H Rev. 3.8 November 1999
Waveforms of CAS-before-RAS Refresh Counter Test Cycle
Waveforms of CAS-before-RAS Refresh Cycle
IH
V
IL
V
IH
V
IL
V
RP (3)
t
IH
V
IL
V
t
CSR (47)
t
RSH (W)(25)
t
RAS (1)
t
CHR (49)
t
RCS (7)
t WCS (27)
t LZ (21)
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
t DH (33)
t
CP (43)
t
CAS (5)
t RCH (14)
t RRH (15)
t HZ (22)
t RWL (31)
t CWL (26)
t
DS (32)
IH
V
IL
V
IH
V
IL
V
READ CYCLE
WRITE CYCLE
t
WCH (28)
I/O
ADDRESS
WE
I/O
D
OUT
D
IN
RAS
OE
UCAS, LCAS
16258H-13
I/O
IH
V
IL
V
RAS
OH
V
OL
V
IH
V
IL
V
UCAS, LCAS
t RAS (1)
t
RC (2)
t
CP (43)
t
HZ (22)
t
CSR (47)
RP (3)
t
RPC (48)
t
CHR (49)
RP (3)
t
NOTE: WE, OE, A0–A8 = Don’t care
16258H-14
Don’t Care
Undefined
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