is42s16402j Integrated Silicon Solution, Inc., is42s16402j Datasheet - Page 18

• Manufacturer Part Number: is42s16402j
• Description: 1 Meg Bits X 16 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S16402J
IS45S16402J
OPERATING FREQUENCY / LATENCY RELATIONSHIPS
—
—
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AC TEST CONDITIONS
Input Load
18
SYMBOL
OUTPUT
ccd
cked
ped
dqd
dqm
dqz
dwd
dal
dpl
bdl
cdl
rdl
mrd
roh
INPUT
CLK
3.0V
1.4V
3.0V
1.4V
0V
0V
PARAMETER
Clock Cycle Time
Operating Frequency
READ/WRITE command to READ/WRITE command
CKE to clock disable or power-down entry mode
CKE to clock enable or power-down exit setup mode
DQM to input data delay
DQM to data mask during WRITEs
DQM to data high-impedance during READs
WRITE command to input data delay
Data-in to ACTIVE command
Data-in to PRECHARGE command
Last data-in to burst STOP command
Last data-in to new READ/WRITE command
Last data-in to PRECHARGE command
LOAD MODE REGISTER command
to ACTIVE or REFRESH command
Data-out to high-impedance from
PRECHARGE command
t
OH
t
CS
1.4V
t
CH
t
CHI
(Input/Output Reference Level: 1.4V)
t
AC
t
CK
t
CL
1.4V
Output Load
CL=3
CL=2
CL=3
CL=2
CL=3
CL=2
CL=3
CL=2
Integrated Silicon Solution, Inc. — www.issi.com
I/O
200
100
10
-5
5
1
1
1
0
0
2
0
5
4
2
1
1
2
2
3
2
50 pF
166
100
10
-6
6
1
1
1
0
0
2
0
5
4
2
1
1
2
2
3
2
50 Ω
143
133
7.5
-7
7
1
1
1
0
0
2
0
5
4
2
1
1
2
2
3
2
+1.4V
UNITS
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
MHz
MHz
12/06/2011
ns
ns
Rev. A