MSM7503 Просмотр технического описания (PDF) - Oki Electric Industry
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MSM7503 Datasheet PDF : 41 Pages
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¡ Semiconductor
MSM7503
Recommended Operating Conditions (Processor Digital Interface)
Parameter
Write Pulse Period
Write Pulse Width
Read Pulse Width
Address Data
Setup Time
Address Data
Hold Time
CEN Setup Time
CEN Hold Time
Data Setup Time
Data Hold Time
Symbol
PW
TW
TR
tAW1
tAR1
tAW2
tAR2
tCW1
tCR1
tCW2
tCR2
tDW1
tDW2
Condition
WRN
WRN
RDN
AD0, AD1ÆWRN
AD0, AD1ÆRDN
WRNÆAD0, AD1
RDNÆAD0, AD1 See Fig.2
CENÆWRN
CENÆRDN
WRNÆCEN
RDNÆCEN
DB0 to 7ÆWRN
WRNÆDB0 to 7
Min.
2000
100
200
80
80
50
50
80
80
50
50
110
20
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
Max. Unit
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
Recommended Operating Conditions (Ping-Pong transmission Interface)
Parameter
B Signal Set-up Time
B Signal Hold Time
D Signal Set-up Time
D Signal Hold Time
Receive Data Cycle Time
Receive Data Width
Receive Flame Cycle Time
Symbol
Condition
TSBHW
BHW Input
See Fig. 3
THBHW
BHW Input
See Fig. 3
TSBD
BD Input
See Fig. 4
THBD
BD Input
See Fig. 4
TCB
R1N, R2N
See Fig. 5
TWB Width of "L" at R1N and R2N See Fig. 5
TFM
—
See Fig. 5
Min.
50
50
50
50
—
1.35
—
Typ.
—
—
—
—
3.906
1.953
125
Max. Unit
—
ns
—
ns
—
ns
—
ns
—
ms
2.5
ms
—
ms
17/41
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