7005S55PFG Datasheet, PDF (14/21 Pages) Integrated Device Technology – HIGH-SPEED 8K x 8 DUAL-PORT STATIC RAM

IDT7005S/L
High-Speed 8K x 8 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
2738 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"
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 port “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.
2738 drw 16
AC Electrical Characteristics Over the
Operating Temperature and Supply Voltage Range⁽¹⁾
7005X15
Com'l Only
7005X17
Com'l Only
7005X20
Com'l, Ind
& Military
Symbol
Parameter
Min. Max. Min. Max. Min. Max.
INTERRUPT TIMING
tAS
Address Set-up Time
tWR
Write Recovery Time
tINS
Interrupt Set Time
tINR
Interrupt Reset Time
0
____
0
____
0
____
0
____
0
____
0
____
____
15
____
15
____
20
____
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).
7005X35
Com'l, Ind
& Military
Min. Max.
7005X55
Com'l, Ind
& Military
Min. Max.
0
____
0
____
0
____
0
____
____
25
____
40
____
25
____
40
7005X25
Com'l &
Military
Min. Max. Unit
0
____
ns
0
____
ns
____
20
ns
____
20
ns
7005X70
Military
Only
2738 tbl 16a
Min. Max. Unit
0
____
ns
0
____
ns
____
50
ns
____
50
ns
2738 tbl 16b
61.442