is42s16128 Integrated Silicon Solution, Inc., is42s16128 Datasheet - Page 7

• Manufacturer Part Number: is42s16128
• Description: 128k Words Bits Banks Sdram
• Manufacturer: Integrated Silicon Solution, Inc.

AC TEST CONDITIONS (Input/Output Reference Level: 1.4V)
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/13/00
IS42S16128
OPERATING FREQUENCY / LATENCY RELATIONSHIPS
Input
Output Load
Symbol
—
—
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CAC
RCD
RAC
RC
RAS
RP
RRD
CCD
DPL
DAL
RBD
WBD
RQL
WDL
PQL
QMD
DMD
MCD
Parameter
Clock Cycle Time
Operating Frequency
CAS Latency
Active Command To Read/Write Command Delay Time
RAS Latency (t
Command Period (REF to REF / ACT to ACT)
Command Period (ACT to PRE)
Command Period (PRE to ACT)
Command Period (ACT[0] to ACT [1])
Column Command Delay Time
(READ, READA, WRIT, WRITA)
Input Data To Precharge Command Delay Time
Input Data To Active/Refresh Command Delay Time
(During Auto-Precharge)
Burst Stop Command To Output in HIGH-Z Delay Time
(Read)
Burst Stop Command To Input in Invalid Delay Time
(Write)
Precharge Command To Output in HIGH-Z Delay Time
(Read)
Precharge Command To Input in Invalid Delay Time
(Write)
Last Output To Auto-Precharge Start Time (Read)
DQM To Output Delay Time (Read)
DQM To Input Delay Time (Write)
Mode Register Set To Command Delay Time
RCD
OUTPUT
INPUT
+ t
CLK
CAC
)
I/O
2.0V
1.4V
0.8V
2.0V
1.4V
0.8V
t
OH
t
CS
50 pF
1.4V
t
CH
t
CHI
t
500 Ω
AC
t
CK
Min. Typ. Max.
125
–2
8
3
3
6
9
6
3
3
1
1
4
3
0
3
0
2
0
2
t
CL
1.4V
100
10
–1
-8
2
2
4
5
3
2
2
1
1
3
2
0
2
0
2
0
2
+1.4V
25
40
1
1
2
2
1
1
1
1
1
2
1
0
1
0
0
2
0
2
Min. Typ. Max.
100
10
–2
3
3
6
9
6
3
3
1
1
4
3
0
3
0
2
0
2
-10
15
65
–1
2
2
4
6
4
2
2
1
1
3
2
0
2
0
2
0
2
30
33
1
1
2
3
2
1
1
1
1
2
1
0
1
0
0
2
0
2
Min. Typ. Max.
12
83
–2
3
3
6
9
6
3
3
1
1
4
3
0
3
0
2
0
2
-12
58
17
–1
2
2
4
7
5
2
2
1
1
3
2
0
2
0
2
0
2
ISSI
34
29
1
1
2
4
3
1
1
1
1
2
1
0
1
0
0
2
0
2
Units
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
MHz
ns
®
7