DMA2275 MICRONAS [Micronas], DMA2275 Datasheet - Page 42

• Manufacturer Part Number: DMA2275
• Description: DMA 2275, DMA 2286 C/D/D2-MAC Descrambler
• Manufacturer: MICRONAS [Micronas]

DMA 2275, DMA 2286
9.6.5. Acquisition DRAM Interface Characteristics at T
42
Symbol
V
V
V
V
t
t
t
t
t
t
V
V
t
t
t
t
t
t
V
V
t
t
t
DT
DIS
DIH
DHR
DS
DH
AT
RAH
ASR
AR
CAH
ASC
RAST
RAS
RP
DIL
DIH
DOL
DOH
AOL
AOH
RASOL
RASOH
Parameter
RAM Data Input Low Voltage
RAM Data Input High Voltage
RAM Data Output Low Voltage
RAM Data Output High Voltage
RAM Data Output
Transition Time
RAM Data Input Setup Time
before CAS Output High
RAM Data Input Hold Time
after CAS Output High
RAM Data Output Hold Time
after RAS Output Low
RAM Data Output Setup Time
before CAS Output Low
RAM Data Output Hold Time
after CAS Output Low
RAM Address Output
Low Voltage
RAM Address Output
High Voltage
RAM Address Output
Transition Time
Row Address Output Hold Time
after RAS Output Low
Row Address Output Setup
Time before RAS Output Low
Column Address Output Hold
Time after RAS Output Low
Column Address Output Hold
Time after CAS Output Low
Column Address Output Setup
Time before CAS Output Low
RAS Output Low Voltage
RAS Output High Voltage
RAS Output Transition Time
RAS Output Low Pulsewidth
RAS Output Precharge Time
Pin No.
50
50, 49,
57
51 to 55,
58 to 60
51 to 55,
58 to 60,
49 57
49, 57
57
Min.
–
2.0
–
2.4
3
–
25
250
40
130
–
2.4
3
60
100
80
50
20
–
2.4
3
–
100
A
= 0 to 65 C, V
Typ.
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1600
–
Max.
0.8
–
0.4
–
10
50
45
–
–
–
0.4
–
10
–
–
–
–
–
0.4
–
10
–
–
SUP
= 4.75 to 5.25 V, f
Unit
V
V
V
V
ns
ns
ns
ns
ns
ns
V
V
ns
ns
ns
ns
ns
ns
V
V
ns
ns
ns
Test Conditions
I
–I
C
I
–I
C
I
–I
C
DO
AO
RASO
L
L
L
DO
AO
RASO
= 10 pF
= 10 pF
= 10 pF
= 1.6 mA
= 1.6 mA
= 0.1 mA
= 0.1 mA
= 1.6 mA
M
= 0.1 mA
= 20.25 MHz