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IC41SV4105 Datasheet, PDF (8/17 Pages) Integrated Circuit Solution Inc – 1Mx4 bit Dynamic RAM with Fast Page Mode
IC41SV4105
AC CHARACTERISTICS (Continued)(1,2,3,4,5,6)
(Recommended Operating Conditions unless otherwise noted.)
Symbol
tACH
tOEH
tDS
tDH
tRWC
tRWD
tCWD
tAWD
tPC
tRASP
tCPA
tPRWC
tOFF
tCSR
tCHR
tORD
tREF
tT
Parameter
Column-Address Setup Time to CAS
Precharge during WRITE Cycle
OE Hold Time from WE during
READ-MODIFY-WRITE cycle(18)
Data-In Setup Time(15, 22)
Data-In Hold Time(15, 22)
READ-MODIFY-WRITE Cycle Time
RAS to WE Delay Time during
READ-MODIFY-WRITE Cycle(14)
CAS to WE Delay Time(14, 20)
Column-Address to WE Delay Time(14)
Fast Page Mode READ or WRITE
Cycle Time
Fast Page Mode RAS Pulse Width
Access Time from CAS Precharge(15)
Fast Page Mode READ WRITE
Cycle Time
Output Buffer Turn-Off Delay from
CAS or RAS(13,15,19, 24)
CAS Setup Time (CBR REFRESH)(20, 25)
CAS Hold Time (CBR REFRESH)( 21, 25)
OE Setup Time prior to RAS during
HIDDEN REFRESH Cycle
Auto Refresh Period 1,024 Cycles
Transition Time (Rise or Fall)(2, 3)
-50
Min. Max.
15
−
-70
Min. Max.
15 −
-100
Min. Max.
15
−
Units
ns
10
−
20 − 25
−
ns
0
−
0
−
0
−
ns
8
−
15 − 20
−
ns
125 − 185 − 240 −
ns
70
− 100 − 130 −
ns
34
−
45 − 55
−
ns
42
−
60 − 85
−
ns
20
−
45 − 60
−
ns
50 100K 70 100K 100 100K ns
-
27
-
40
-
55
ns
47
− 100 − 120 −
ns
3
15
3 15 3
15
ns
5
−
5
−
5
−
ns
10
−
10 − 10
−
ns
0
−
0
−
0
−
ns
−
16
− 16 −
16 ms
3
50
3 50 3
50
ns
AC TEST CONDITIONS
Output load:
One TTL Load and 100 pF
Input timing reference levels: VIH = 1.4V, VIL = 0.6V
Output timing reference levels: VOH = 1.4V, VOL = 0.6V
8
Integrated Circuit Solution Inc.
DR032-0A 10/29/2001