參數資料
型號: K4H640838A-TCA0
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: DIODE ZENER SINGLE 500mW 5.6Vz 0.05mA-Izt 0.05 2uA-Ir 4 SOD-123 3K/REEL
中文描述: 128MB DDR SDRAM的
文件頁數: 36/53頁
文件大小: 669K
代理商: K4H640838A-TCA0
- 36 -
REV. 1.0 November. 2. 2000
128Mb DDR SDRAM
Current State
CS
RAS CAS
WE
Address
Command
Action
PRECHARG-
ING
(DURING tRP)
L
H
H
L
X
Burst Stop
ILLEGAL*2
L
H
L
X
BA, CA, A
10
READ/WRITE
ILLEGAL*2
L
L
H
H
BA, RA
Active
ILLEGAL*2
L
L
H
L
BA, A
10
PRE/PREA
NOP*4(Idle after
t
RP
)
ILLEGAL
L
L
L
H
X
Refresh
L
L
L
L
Op-Code, Mode-Add
MRS
ILLEGAL
ROW
ACTIVATING
(FROM ROW
ACTIVE TO
tRCD)
L
H
H
L
X
Burst Stop
ILLEGAL*2
L
H
L
X
BA, CA, A
10
READ/WRITE
ILLEGAL*2
L
L
H
H
BA, RA
Active
ILLEGAL*2
L
L
H
L
BA, A
10
PRE/PREA
ILLEGAL*2
L
L
L
H
X
Refresh
ILLEGAL
L
L
L
L
Op-Code, Mode-Add
MRS
ILLEGAL
WRITE
RECOVERING
(DURING tWR
OR tCDLR)
L
H
H
L
X
Burst Stop
ILLEGAL*2
L
H
L
H
BA, CA, A
10
READ
ILLEGAL*2
L
H
L
L
BA, CA, A
10
WRITE
WRITE
L
L
H
H
BA, RA
Active
ILLEGAL*2
L
L
H
L
BA, A
10
PRE/PREA
ILLEGAL*2
L
L
L
H
X
Refresh
ILLEGAL
L
L
L
L
Op-Code, Mode-Add
MRS
ILLEGAL
Table 9-3. Functional truth table
相關PDF資料
PDF描述
K4H280838A-TCA0 DIODE ZENER SINGLE 200mW 5.6Vz 0.05mA-Izt 0.05 2uA-Ir 4 SOD-323 3K/REEL
K4H513238M-TCA0 RECTIFIER FAST-RECOVERY SINGLE 1A 50V 30A-ifsm 0.98V-vf 25ns 5uA-ir SMA 5K/REEL-13
K4H1G3238M-TCA0 DIODE, FAST RECOVERY RECTIFIER, 1A
K4H640438E-TCA0 PC ENCLOSURE - GRAY COVER RoHS Compliant: Yes
K4H640438E-TCA2 Euronord Enclosure; NEMA Type:1, 4, 4X, 12, 13; Enclosure Material:Polycarbonate; External Height:7.9"; External Width:5.9"; External Depth:3.1"; Enclosure Color:Gray
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