IDT7024 데이터 시트보기 (PDF) - Integrated Device Technology
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IDT7024 Datasheet PDF : 22 Pages
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IDT7024S/L
High-Speed 4K x 16 Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
Waveform of BUSY Arbitration Controlled by CE Timing(1) (M/S = VIH)
ADDR"A"
and "B"
ADDRESSES MATCH
CE"A"
CE"B"
BUSY"B"
tAPS (2)
tBAC
tBDC
2740 drw 15
Waveform of BUSY Arbitration Cycle Controlled by Address Match
Timing(1) (M/S = VIH)
ADDR"A"
ADDR"B"
BUSY"B"
ADDRESS "N"
tAPS (2)
MATCHING ADDRESS "N"
tBAA
tBDA
2740 drw 16
NOTES:
1. All timing is the same for left and right ports. Port “A” may be either the left or right port. Port “B” is the port opposite from “A”.
2. If tAPS is not satisfied, the BUSY signal will be asserted on one side or another but there is no guarantee on which side BUSY will be asserted.
AC Electrical Characteristics Over the
Operating Temperature and Supply Voltage Range(1)
7024X15
Com'l Only
7024X17
Com'l Only
7024X20
Com'l , Ind
& Military
Symbol
Parameter
Min. Max. Min. Max. Min. Max.
INTERRUPT TIMING
tAS
Address Set-up Time
0
____
0
____
0
____
tWR
Write Recovery Time
0
____
0
____
0
____
tINS
Interrupt Set Time
____
15
____
15
____
20
tINR
Interrupt Reset Time
____
15
____
15
____
20
Symbol
INTERRUPT TIMING
tAS
Address Set-up Time
tWR
Write Recovery Time
tINS
Interrupt Set Time
tINR
Interrupt Reset Time
Parameter
NOTES:
1. 'X' in part number indicates power rating (S or L).
7024X35
Com'l &
Military
Min. Max.
7024X55
Com'l, Ind
& Military
Min. Max.
0
____
0
____
0
____
0
____
____
25
____
40
____
25
____
40
7024X25
Com'l &
Military
Min. Max. Unit
0
____
0
____
____
20
____
20
7024X70
Military Only
ns
ns
ns
ns
2740 tbl 15a
Min. Max. Unit
0
____
ns
0
____
ns
____
50
ns
____
50
ns
2740 tbl 15b
61.452
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