is42s16400b1 Integrated Silicon Solution, Inc., is42s16400b1 Datasheet - Page 14

• Manufacturer Part Number: is42s16400b1
• Description: 1 Meg Bits X 16 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram - Integrated Silicon Solution, Inc
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S16400B1
OPERATING FREQUENCY / LATENCY RELATIONSHIPS
AC TEST CONDITIONS
Input Load
14
SYMBOL
—
—
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CCD
CKED
PED
DQD
DQM
DQZ
DWD
DAL
DPL
BDL
CDL
RDL
MRD
ROH
OUTPUT
INPUT
CLK
2.8V
1.5V
0.2V
2.8V
1.5V
0.2V
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
1.5V
t
CH
t
CHI
(Input/Output Reference Level: 1.5V)
t
AC
t
CK
t
CL
1.5V
Integrated Silicon Solution, Inc. — www.issi.com —
CL = 3
CL = 2
Output Load
I/O
50 pF
133
-7
50
7
1
1
1
0
0
2
0
5
2
1
1
2
2
3
2
ISSI
+1.5V
1-800-379-4774
UNITS
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
MHz
ns
12/09/03
Rev. A
®