IDT7015S/L
High-Speed 8K x 9 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
2954 drw 15
Waveform of BUSY Arbitration Cycle Controlled by Address Match
Timing(1) (M/S = VIH)
ADDR"A"
tAPS (2)
ADDRESS "N"
ADDR"B"
MATCHING ADDRESS "N"
tBAA
tBDA
BUSY"B"
2954 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)
7015X12
Com'l Only
7015X15
Com'l Only
Symbol
Parameter
Min.
Max.
Min.
Max.
INTERRUPT TIMING
tAS
Address Set-up Time
0
____
0
____
tWR
Write Recovery Time
0
____
0
____
tINS
Interrupt Set Time
____
12
____
15
tINR
Interrupt Reset Time
____
12
____
15
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 numbers indicates power rating (S or L).
7015X20
Com'l, Ind
& Military
Min.
Max.
7015X25
Com'l &
Military
Min.
Max.
0
____
0
____
0
____
0
____
____
20
____
20
____
20
____
20
7015X17
Com'l Only
Min.
Max. Unit
0
____
ns
0
____
ns
____
17
ns
____
17
ns
7015X35
Com'l &
Military
2954 tbl 15a
Min.
Max. Unit
0
____
ns
0
____
ns
____
25
ns
____
25
ns
2954 tbl 15b
61.442
APRIL 04, 2006