70V25L25PFI Datasheet, PDF (19/25 Pages) Integrated Device Technology – True Dual-Ported memory cells which allow simultaneous reads of the same memory location

IDT70V35/34S/L (IDT70V25/24S/L)
High-Speed 3.3V 8/4K x 18 (8/4K x 16) Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
AC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range for 70V35/34⁽¹⁾
70V35/34X15
Com'l Only
70V35/34X20
Com'l
& Ind
70V35/34X25
Com'l Only
Symbol
Parameter
Min. Max. Min. Max. Min. Max. Unit
INTERRUPT TIMING
tAS
Address Set-up Time
0
____
0
____
0
____
ns
tWR
Write Recovery Time
0
____
0
____
0
____
ns
tINS
Interrupt Set Time
____
15
____
20
____
20
ns
tINR
Interrupt Reset Time
____
15
____
20
____
20
ns
5624 tbl 14
AC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range for 70V25/24⁽¹⁾
70V25/24X15
Com'l Only
70V25/24X20
Com'l
& Ind
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
____
15
____
20
tINR
Interrupt Reset Time
____
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).
70V25/24X35
Com'l Only
Min. Max.
0
____
0
____
____
25
____
25
70V25/24X25
Com'l
& Ind
Min. Max. Unit
0
____
ns
0
____
ns
____
20
ns
____
20
ns
5624 tbl 14a
70V25/24X55
Com'l Only
Min. Max. Unit
0
____
ns
0
____
ns
____
40
ns
____
40
ns
5624 tbl 14b
61.492