參數(shù)資料
型號: DMA2275
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類: 消費家電
英文描述: DMA 2275, DMA 2286 C/D/D2-MAC Descrambler
中文描述: SPECIALTY CONSUMER CIRCUIT, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 43/48頁
文件大?。?/td> 217K
代理商: DMA2275
DMA 2275, DMA 2286
43
Acquisition DRAM Interface Characteristics,
continued
Symbol
Parameter
Pin No.
Min.
Typ.
Max.
Unit
Test Conditions
V
CASOL
CAS Output Low Voltage
49
0.4
V
I
CASO
= 1.6 mA
V
CASOH
CAS Output High Voltage
2.4
V
–I
CASO
= 0.1 mA
t
CAST
CAS Output Transition Time
3
10
ns
C
L
= 10 pF
t
CP
CAS Output Precharge Time
80
ns
t
CAS
CAS Output Low Pulsewidth
90
110
ns
t
PC
Page Mode Cycle Time
200
ns
t
RSH
RAS Output Hold Time after
CAS Output Low
49, 57
75
ns
t
RCD
CAS Output Delay Time after
RAS Output
75
ns
t
CSH
CAS Output Hold Time after
RAS Output Low
170
ns
t
CRP
CAS Output Precharge Time
before RAS Output Low
200
ns
V
WOL
WRITE Output Low Voltage
56
0.4
V
I
WO
= 1.6 mA
V
WOH
WRITE Output High Voltage
2.4
V
–I
WO
= 0.1 mA
t
WT
WRITE Output Transition Time
3
10
ns
C
L
= 10 pF
t
CWL
WRITE Output Low before
CAS Output High
56, 49,
57
275
ns
t
WCH
WRITE Output Hold Time
after CAS Output Low
125
ns
t
RCH
WRITE Output Hold Time
after CAS Output High
20
ns
t
RRH
WRITE Output Hold Time
after RAS Output High
25
ns
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