IC41C16105
IC41LV16105
S2-8
Integrated Circuit Solution Inc.
DR014-0A 06/07/2001
AC CHARACTERISTICS (Continued)(1,2,3,4,5,6)
(Recommended Operating Conditions unless otherwise noted.)
-50
-60
Symbol
Parameter
Min.
Max.
Min.
Max.
Units
tACH
Column-Address Setup Time to CAS
15
15
ns
Precharge during WRITE Cycle
tOEH
OE Hold Time from WE during
8
10
ns
READ-MODI.Y-WRITE cycle(18)
tDS
Data-In Setup Time(15, 22)
0
0
ns
tDH
Data-In Hold Time(15, 22)
8
10
ns
tRWC
READ-MODI.Y-WRITE Cycle Time
108
133
ns
tRWD
RAS to WE Delay Time during
64
77
ns
READ-MODI.Y-WRITE Cycle(14)
tCWD
CAS to WE Delay Time(14, 20)
26
32
ns
tAWD
Column-Address to WE Delay Time(14)
39
47
ns
tPC
.ast Page Mode READ or WRITE
20
25
ns
Cycle Time(24)
tRASP
RAS Pulse Width
50
100K
60
100K
ns
tCPA
Access Time from CAS Precharge(15)
30
35
ns
tPRWC
READ-WRITE Cycle Time(24)
56
68
ns
tCOH
Data Output Hold after CAS LOW
5
5
ns
tO..
Output Buffer Turn-Off Delay from
1.6
121.6
15
ns
CAS or RAS(13,15,19, 29)
tWHZ
Output Disable Delay from WE
310
3
10
ns
tCLCH
Last CAS going LOW to .irst CAS
10
10
ns
returning HIGH(23)
tCSR
CAS Setup Time (CBR RE.RESH)(30, 20)
5
5
ns
tCHR
CAS Hold Time (CBR RE.RESH)(30, 21)
8
10
ns
tORD
OE Setup Time prior to RAS during
0
0
ns
HIDDEN RE.RESH Cycle
tRE.
Auto Refresh Period (1,024 Cycles)
16
16
ms
tT
Transition Time (Rise or .all)(2, 3)
150
1
50
ns
AC TEST CONDITIONS
Output load:
Two TTL Loads and 50 p. (Vcc = 5.0V ±10%)
One TTL Load and 50 p. (Vcc = 3.3V ±10%)
Input timing reference levels: VIH = 2.4V, VIL = 0.8V (Vcc = 5.0V ±10%);
VIH = 2.0V, VIL = 0.8V (Vcc = 3.3V ±10%)
Output timing reference levels: VOH = 2.0V, VOL = 0.8V (Vcc = 5V ±10%, 3.3V ±10%)